Professor David Bilkey

2024

Journal - Research Article

Tashakori-Sabzevar, F., Munn, R. G. K., Bilkey, D. K., & Ward, R. D. (2024). Basal forebrain and prelimbic cortex connectivity is related to behavioral response in an attention task. iScience, 27, 109266. doi: 10.1016/j.isci.2024.109266

Scott, K. J., Speers, L. J., & Bilkey, D. K. (2024). Utilizing synthetic training data for the supervised classification of rat ultrasonic vocalizations. Journal of the Acoustical Society of America, 155(1), 306-314. doi: 10.1121/10.0024340

2023

Journal - Research Article

Speers, L. J., Chin, P., & Bilkey, D. K. (2023). No evidence that acute clozapine administration alters CA1 phase precession in rats. Brain Research. Advance online publication. doi: 10.1016/j.brainres.2023.148446

Munn, R. G. K., Wolff, A., Speers, L. J., & Bilkey, D. K. (2023). Disrupted hippocampal synchrony following maternal immune activation in a rat model. Hippocampus. Advance online publication. doi: 10.1002/hipo.23545

Journal - Research Other

Speers, L. J., & Bilkey, D. K. (2023). Maladaptive explore/exploit trade-offs in schizophrenia [Opinion]. Trends in Neurosciences, 46(5), 341-354. doi: 10.1016/j.tins.2023.02.001

Conference Contribution - Published proceedings: Abstract

Munn, R. G. K., Heller, C., Wolff, A. R., & Bilkey, D. K. (2023). Hippocampal dysfunction: It's all about timing! Insights from two model systems. In K.-L. Horne (Ed.), Proceedings of the 39th International Australasian Winter Conference on Brain Research (AWCBR). (pp. 28). Retrieved from https://www.awcbr.org

Cadzow, M., & Bilkey, D. (2023). Testing spatial navigation with Google Street View. Proceedings of the eResearch NZ Conference. (pp. 84). Retrieved from www.eresearchnz2023.org.nz

Conference Contribution - Poster Presentation (not in published proceedings)

Seo, S., Parr-Brownlie, L., Bilkey, D., Hughes, S., & Oorschot, D. (2023, June). Opposite changes in midbrain dopamine microcircuitry in the repeated hypoxic rat model of ADHD-like hyperactivity/impulsivity versus the maternal immune activation rat model of schizophrenia: Potential bases for new therapies. Poster session presented at the International Basal Ganglia Society (IBAGS) XIV Meeting, Stockholm, Sweden.

2022

Journal - Research Article

Speers, L. J., Schmidt, R., & Bilkey, D. K. (2022). Aberrant phase precession of lateral septal cells in a maternal immune activation model of schizophrenia risk may disrupt the integration of location with reward. Journal of Neuroscience, 42(20), 4187-4201. doi: 10.1523/JNEUROSCI.0039-22.2022

2021

Journal - Research Article

Speers, L. J., Cheyne, K. R., Cavani, E., Hayward, T., Schmidt, R., & Bilkey, D. K. (2021). Hippocampal sequencing mechanisms are disrupted in a maternal immune activation model of schizophrenia risk. Journal of Neuroscience, 41(32), 6954-6965. doi: 10.1523/jneurosci.0730-21.2021

Scott, K. J., Tashakori-Sabzevar, F., & Bilkey, D. K. (2021). Maternal immune activation alters the sequential structure of ultrasonic communications in male rats. Brain, Behavior & Immunity: Health, 16, 100304. doi: 10.1016/j.bbih.2021.100304

Seo, S., Sizemore, R. J., Reader, K. L., Smither, R. A., Wicky, H. E., Hughes, S. M., Bilkey, D. K., Parr-Brownlie, L. C., & Oorschot, D. E. (2021). A schizophrenia risk factor induces marked anatomical deficits at GABAergic-dopaminergic synapses in the rat ventral tegmental area: Essential evidence for new targeted therapies. Journal of Comparative Neurology, 529, 3946-3973. doi: 10.1002/cne.25225

Meighan, W., Elston, T. W., Bilkey, D., & Ward, R. D. (2021). Impaired discrimination of a subanesthetic dose of ketamine in a maternal immune activation model of schizophrenia risk. Journal of Psychopharmacology, 35(9), 1141-1151. doi: 10.1177/02698811211029739

Croy, E., Elston, T. W., & Bilkey, D. K. (2021). Anterior cingulate cortex and ventral tegmental area activity during cost-benefit decision-making following maternal immune activation. Schizophrenia Bulletin Open, 2(1), sgab023. doi: 10.1093/schizbullopen/sgab023

Butz, M. V., Achimova, A., Bilkey, D., & Knott, A. (2021). Event-predictive cognition: A root for conceptual human thought. Topics in Cognitive Science, 13, 10-24. doi: 10.1111/tops.12522

Bilkey, D. K., & Jensen, C. (2021). Neural markers of event boundaries. Topics in Cognitive Science, 13(1), 128-141. doi: 10.1111/tops.12470

Journal - Research Other

Speers, L. J., & Bilkey, D. K. (2021). Disorganization of oscillatory activity in animal models of schizophrenia. Frontiers in Neural Circuits, 15, 741767. doi: 10.3389/fncir.2021.74176

Other - Edited Journal

Butz, M. V., Bilkey, D., & Knott, A. (Eds.). (2021). TopiCS, 13(1) [Special Issue: Event-predictive cognition: From sensorimotor via conceptual to language-based structures and processes]. [Guest Editors].

2020

Journal - Research Article

Sutherland, C. J., & Bilkey, D. K. (2020). Hippocampal coding of conspecific position. Brain Research, 1745, 146920. doi: 10.1016/j.brainres.2020.146920

2019

Journal - Research Article

Butz, M. V., Bilkey, D., Humaidan, D., Knott, A., & Otte, S. (2019). Learning, planning, and control in a monolithic neural event inference architecture. Neural Networks, 117, 135-144. doi: 10.1016/j.neunet.2019.05.001

Elston, T. W., Croy, E., & Bilkey, D. K. (2019). Communication between the anterior cingulate cortex and ventral tegmental area during a cost-benefit reversal task. Cell Reports, 26(9), 2353-2361.e3. doi: 10.1016/j.celrep.2019.01.113

Porter, B. S., Hillman, K. L., & Bilkey, D. K. (2019). Anterior cingulate cortex encoding of effortful behavior. Journal of Neurophysiology, 121, 701-714. doi: 10.1152/jn.00654.2018

Jackson, C. M., Jackson, J. C., Bilkey, D., Jong, J., & Halberstadt, J. (2019). The dynamic emergence of minimal groups. Group Processes & Intergroup Relations, 22(7), 921-929. doi: 10.1177/1368430218802636

Zhang, J., Jing, Y., Zhang, H., Bilkey, D. K., & Liu, P. (2019). Maternal immune activation altered microglial immunoreactivity in the brain of postnatal day 2 rat offspring. Synapse, 73, e22072. doi: 10.1002/syn.22072

Conference Contribution - Published proceedings: Abstract

Meighan, W. T., Elston, T. W., Bilkey, D. K., & Ward, R. D. (2019). Maternal immune activation in rats produces a subjective internal state that is analogous to human psychosis. In K. Hillman (Ed.), Proceedings of the 37th International Australasian Winter Conference on Brain Research (AWCBR). (pp. 65). Retrieved from http://www.otago.ac.nz/awcbr

Zhang, J., Jing, Y., Zhang, H., Bilkey, D. K., & Liu, P. (2019). Maternal immune activation alters pre-pulse inhibition and hippocampal nitric oxide synthase in postnatal day 35 and 60 rat offspring. In K. Hillman (Ed.), Proceedings of the 37th International Australasian Winter Conference on Brain Research (AWCBR). (pp. 47). Retrieved from http://www.otago.ac.nz/awcbr

Croy, E. R., Elston, T. W., & Bilkey, D. K. (2019). Dysfunction in the anterior cingulate cortex and the ventral tegmental area in relation to decision making and motivation in an animal model of schizophrenia. In K. Hillman (Ed.), Proceedings of the 37th International Australasian Winter Conference on Brain Research (AWCBR). (pp. 45). Retrieved from http://www.otago.ac.nz/awcbr

Porter, B. S., Bilkey, D. K., & Hillman, K. L. (2019). Mind over matter: The anterior cingulate cortex's role in driving action towards difficult but worthwhile goals. In K. Hillman (Ed.), Proceedings of the 37th International Australasian Winter Conference on Brain Research (AWCBR). (pp. 26). Retrieved from http://www.otago.ac.nz/awcbr

Speers, L. J., Cheyne, K. R., Cavani, E., Hayward, T., Schmidt, R., & Bilkey, D. K. (2019). Coordination of hippocampal phase precession is compromised in maternal immune activation model of schizophrenia risk, providing a novel mechanism for disorganized temporal processing in schizophrenia. Proceedings of the Society for Neuroscience Annual Meeting. 245.03/X45. SfN. Retrieved from https://www.sfn.org

2018

Journal - Research Article

Elston, T. W., Kalhan, S., & Bilkey, D. K. (2018). Conflict and adaptation signals in the anterior cingulate cortex and ventral tegmental area. Scientific Reports, 8(1), 11732. doi: 10.1038/s41598-018-30203-4

Porter, B. S., Schmidt, R., & Bilkey, D. K. (2018). Hippocampal place cell encoding of sloping terrain. Hippocampus, 28(1), 767-782. doi: 10.1002/hipo.22966

Bates, V., Maharajan, A., Millar, J., Bilkey, D. K., & Ward, R. D. (2018). Spared motivational modulation of cognitive effort in a maternal immune activation model of schizophrenia risk. Behavioral Neuroscience, 132(1), 66-74. doi: 10.1037/bne0000230

Jackson, J. C., Jong, J., Bilkey, D., Whitehouse, H., Zollmann, S., McNaughton, C., & Halberstadt, J. (2018). Synchrony and physiological arousal Increase cohesion and cooperation in large naturalistic groups. Scientific Reports, 8, 127. doi: 10.1038/s41598-017-18023-4

Zhang, J., Jing, Y., Zhang, H., Bilkey, D. K., & Liu, P. (2018). Maternal immune activation leads to increased nNOS immunoreactivity in the brain of postnatal day 2 rat offspring. Synapse, 72(1), e22011. doi: 10.1002/syn.22011

Zhang, J., Jing, Y., Zhang, H., Bilkey, D. K., & Liu, P. (2018). Effects of maternal immune activation on brain arginine metabolism of postnatal day 2 rat offspring. Schizophrenia Research, 192, 431-441. doi: 10.1016/j.schres.2017.05.016

Journal - Research Other

Kleinmans, M., & Bilkey, D. K. (2018). Reversal learning impairments in the maternal immune activation rat model of schizophrenia [Brief communication]. Behavioral Neuroscience, 132(6), 520-525. doi: 10.1037/bne0000275

Conference Contribution - Published proceedings: Abstract

Bilkey, D., Hayward, T., Cavani, E., & Cheyne, K. (2018). Altered temporal coding of event memory consolidation in a model of schizophrenia risk. Proceedings of the COmputational NeuroscieNce of Event CogniTion (CONNECT) Conference. Retrieved from https://www.otago.ac.nz/bhrc

Elston, T., & Bilkey, D. (2018). Communication between the ACC and VTA during decision-making. Proceedings of the COmputational NeuroscieNce of Event CogniTion (CONNECT) Conference. Retrieved from https://www.otago.ac.nz/bhrc

Zhang, J., Jing, Y., Zhang, H., Bilkey, D. K., & Liu, P. (2018). Maternal immune activation affects hippocampal nNOS immunoreactivity and microglia in postnatal day 35 rat offspring. In K. Hillman (Ed.), Proceedings of the 36th International Australasian Winter Conference on Brain Research. (pp. 52). AWCBR. Retrieved from https://www.otago.ac.nz/awcbr

Seo, S., Sizemore, R. J., Bilkey, D. K., Hughes, S. M., Parr-Brownlie, L. C., & Oorschot, D. E. (2018). Changes in midbrain dopamine circuitry in the maternal immune activation rat model of schizophrenia. In K. Hillman (Ed.), Proceedings of the 36th International Australasian Winter Conference on Brain Research. (pp. 30). AWCBR. Retrieved from https://www.otago.ac.nz/awcbr

Oorschot, D. E., Seo, S., Bilkey, D. K., Hughes, S. M., Parr-Brownlie, L. C., & Sizemore, R. J. (2018). Synaptic triad arrangement within an aversive pathway in the normal uninjured brain. In K. Hillman (Ed.), Proceedings of the 36th International Australasian Winter Conference on Brain Research. (pp. 29). AWCBR. Retrieved from https://www.otago.ac.nz/awcbr

2017

Journal - Research Article

Deane, A. R., Millar, J., Bilkey, D. K., & Ward, R. D. (2017). Maternal immune activation in rats produces temporal perception impairments in adult offspring analogous to those observed in schizophrenia. PLoS ONE, 12(11), e0187719. doi: 10.1371/journal.pone.0187719

Jackson, J. C., Bilkey, D., Jong, J., Rossignac-Milon, M., & Halberstadt, J. (2017). Strangers in a stadium: Studying group dynamics with in vivo behavioral tracking. Social Psychological & Personality Science, 8(5), 509-518. doi: 10.1177/1948550617709112

Jackson, J. C., Lemay, Jr, E. P., Bilkey, D., & Halberstadt, J. (2017). Beyond “birds of a feather”: A social inference approach to attachment-dependent grouping. Journal of Experimental Social Psychology, 73, 216-221. doi: 10.1016/j.jesp.2017.06.004

Bilkey, D. K., Cheyne, K. R., Eckert, M. J., Lu, X., Chowdhury, S., Worley, P. F., … Abraham, W. C. (2017). Exposure to complex environments results in more sparse representations of space in the hippocampus. Hippocampus, 27(11), 1178-1191. doi: 10.1002/hipo.22762

Elston, T. W., & Bilkey, D. K. (2017). Anterior cingulate cortex modulation of the ventral tegmental area in an effort task. Cell Reports, 19(11), 2220-2230. doi: 10.1016/j.celrep.2017.05.062

Morgan, K., Ruffman, T., Bilkey, D. K., & McLennan, I. S. (2017). Circulating anti-Müllerian hormone (AMH) associates with the maturity of boys' drawings: Does AMH slow cognitive development in males? Endocrine, 57(3), 528-534. doi: 10.1007/s12020-017-1333-2

Munn, R. G. K., Hardcastle, K., Porter, B., & Bilkey, D. (2017). Circadian-scale periodic bursts in theta and gamma-band coherence between hippocampus, cingulate and insular cortices. Neurobiology of Sleep & Circadian Rhythms, 3, 26-37. doi: 10.1016/j.nbscr.2017.04.001

Millar, J., Bilkey, D. K., & Ward, R. D. (2017). Maternal immune activation alters sensitivity to action-outcome contingency in adult rat offspring. Brain, Behavior & Immunity, 63, 81-87. doi: 10.1016/j.bbi.2016.08.020

Conference Contribution - Published proceedings: Abstract

Meighan, W., Elston, T., Bilkey, D., & Ward, R. (2017). Maternal immune activation in rats produces a subjective internal state that is similar to human psychosis. In B. Leitch (Ed.), Proceedings of the 35th International Australasian Winter Conference on Brain Research. (pp. 68). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr/index.html

Kalhan, S., Elston, T. W., & Bilkey, D. K. (2017). Response-conflict and set-shifting signals in the ACC and VTA. In B. Leitch (Ed.), Proceedings of the 35th International Australasian Winter Conference on Brain Research. (pp. 63). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr/index.html

Elston, T. W., & Bilkey, D. K. (2017). Exploration and persistence signals in the anterior cingulate cortex and the ventral tegmental area. In B. Leitch (Ed.), Proceedings of the 35th International Australasian Winter Conference on Brain Research. (pp. 41). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr/index.html

Working Paper; Discussion Paper; Technical Report

Elston, T. W., & Bilkey, D. K. (2017). Adaptive motivational signalling from the anterior cingulate cortex to the ventral tegmental area. bioRxiv. doi: 10.1101/102178

2016

Journal - Research Article

Liu, P., Jing, Y., Collie, N. D., Dean, B., Bilkey, D. K., & Zhang, H. (2016). Altered brain arginine metabolism in schizophrenia. Translational Psychiatry, 6, e871. doi: 10.1038/tp.2016.144

Halberstadt, J., Jackson, J. C., Bilkey, D., Jong, J., Whitehouse, H., McNaughton, C., & Zollmann, S. (2016). Incipient social groups: An analysis via in-vivo behavioral tracking. PLoS ONE, 11(3), e0149880. doi: 10.1371/journal.pone.0149880

Conference Contribution - Published proceedings: Abstract

Hillman, K., & Bilkey, D. (2016). Insula-cingulate interplay correlates to high-effort behaviour in rat. Proceedings of the Australasian Neuroscience Society (ANS) Annual Scientific Meeting. Retrieved from https://www.ans.org.au

Elston, T. W., & Bilkey, D. K. (2016). Physical effort discounts ACC-VTA moment-by-moment estimates of future reward. Proceedings of the Society for Neuroscience 46th Annual Meeting. 258.13/FFF13. SfN. Retrieved from https://www.sfn.org/

Meighan, W., Ward, R., & Bilkey, D. (2016). Investigating interoception in the MIA model of psychosis. Proceedings of the Psycolloquy Seminar. (pp. 13). Dunedin, New Zealand: Department of Psychology, University of Otago. Retrieved from http://www.otago.ac.nz/psychology/research/otago059081.html

Liu, P., Jing, Y., Collie, N. D., Dean, B., Bilkey, D. K., & Zhang, H. (2016). Brain arginine metabolism is altered in patients with schizophrenia. In B. Leitch (Ed.), Proceedings of the 34th International Australasian Winter Conference on Brain Research. (pp. 69). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr

Millar, J., Bilkey, D., & Ward, R. D. (2016). Maternal immune activation alters sensitivity to action-outcome contingency in adult rat offspring. In B. Leitch (Ed.), Proceedings of the 34th International Australasian Winter Conference on Brain Research. (pp. 61). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr

Porter, B. S., Young, C. K., & Bilkey, D. K. (2016). Hippocampal place cell representations of effortful space. In B. Leitch (Ed.), Proceedings of the 34th International Australasian Winter Conference on Brain Research. (pp. 59). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr

Zhang, J., Jing, Y., Zhang, H., Bilkey, D. K., & Liu, P. (2016). Maternal immune activation alters immunoreactive profiles of nNOS-containing neurons and microglia in postnatal day 2 rat brains. In B. Leitch (Ed.), Proceedings of the 34th International Australasian Winter Conference on Brain Research. (pp. 43). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr

Jing, Y., Zhang, H., Bilkey, D. K., & Liu, P. (2016). Effects of maternal immune activation on brain arginine metabolism of juvenile rat offspring. In B. Leitch (Ed.), Proceedings of the 34th International Australasian Winter Conference on Brain Research. (pp. 31). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr

2015

Journal - Research Article

Wolff, A. R., & Bilkey, D. K. (2015). Prenatal immune activation alters hippocampal place cell firing characteristics in adult animals. Brain, Behavior & Immunity, 48, 232-243. doi: 10.1016/j.bbi.2015.03.012

Munn, R. G. K., Tyree, S. M., McNaughton, N., & Bilkey, D. K. (2015). The frequency of hippocampal theta rhythm is modulated on a circadian period and is entrained by food availability. Frontiers in Behavioral Neuroscience, 9, 61. doi: 10.3389/fnbeh.2015.00061

Conference Contribution - Published proceedings: Abstract

Porter, B. S., & Bilkey, D. K. (2015). The neural mechanisms of encoding effortful space. In B. Leitch (Ed.), Proceedings of the 33rd International Australasian Winter Conference on Brain Research. (pp. 54). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr

Ward, R. D., Millar, J., & Bilkey, D. (2015). Enhanced motivation in an animal model of maternal immune activation in schizophrenia. In B. Leitch (Ed.), Proceedings of the 33rd International Australasian Winter Conference on Brain Research. (pp. 38). AWCBR. Retrieved from http://www.otago.ac.nz/awcbr

Hillman, K., & Bilkey, D. (2015). Broadband local field potential characteristics in rat cingulate cortex are predictive of high-effort, goal-directed behaviour. Proceedings of the International Behavioral Neuroscience Society (IBNS) 24th Annual Meeting. (pp. 72-73). Retrieved from http://www.ibnsconnect.org/ibns-2015-annual-meeting

Jackson, J. C., Halberstadt, J. B., Jong, J., Whitehouse, H., Bilkey, D., & Morgenroth, L. (2015). Collective self-esteem moderates in-group bias during spontaneous group formation. Proceedings of the 16th Annual Convention of the Society for Personality and Social Psychology (SPSP). (pp. 412). Retrieved from http://meeting.spsp.org/sites/default/files/FULL%20PDF%20PROGRAM.pdf

Hillman, K., & Bilkey, D. (2015). Broadband local field potential characteristics in rat cingulate cortex are predictive of high-effort, goal-directed behaviour. Journal of Neurochemistry, 134(Suppl. 1), (pp. 316-317). doi: 10.1111/jnc.13189

2014

Journal - Research Article

Dickerson, D. D., Overeem, K. A., Wolff, A. R., Williams, J. M., Abraham, W. C., & Bilkey, D. K. (2014). Association of aberrant neural synchrony and altered GAD67 expression following exposure to maternal immune activation, a risk factor for schizophrenia. Translational Psychiatry, 4, e418. doi: 10.1038/tp.2014.64

Conference Contribution - Published proceedings: Abstract

Oorschot, D. E., Voss, L., Covey, M. V., Goddard, L., Huang, W., Birchall, P. R., Bilkey, D. K., & Kohe, S. E. (2014). Spectrum of short- and long-term brain pathology and long-term behavioural deficits in male repeated hypoxic rats closely resembling human extreme prematurity. Proceedings of the Australasian Neuroscience Society 34th Annual Meeting. Retrieved from http://www.ans.org.au/

Millar, J. G., & Bilkey, D. K. (2014). Maternal immune activation produces deficits in a displaced object recognition task. Proceedings of the Society for Neuroscience 44th Annual Meeting. SfN. Retrieved from http://www.sfn.org/annual-meeting/neuroscience-2014/abstracts

Elston, T. W., & Bilkey, D. K. (2014). A dual loop hypothesis of schizophrenia. Proceedings of the Psycolloquy Seminar. (pp. 13). Dunedin, New Zealand: Department of Psychology, University of Otago. Retrieved from http://www.otago.ac.nz/psychology/research/otago059081.html

Conference Contribution - Verbal presentation and other Conference outputs

Bilkey, D. (2014, June). Shaken, not stirred? Oscillations, coherence and schizophrenia. Verbal presentation at the 50th Anniversary of the Department of Psychology Research Symposium, Dunedin, New Zealand.

2013

Journal - Research Article

Dickerson, D. D., & Bilkey, D. K. (2013). Aberrant neural synchrony in the maternal immune activation model: Using translatable measures to explore targeted interventions. Frontiers in Behavioral Neuroscience, 7, 217. doi: 10.3389/fnbeh.2013.00217

Savanthrapadian, S., Wolff, A. R., Logan, B. J., Eckert, M. J., Bilkey, D. K., & Abraham, W. C. (2013). Enhanced hippocampal neuronal excitability and LTP persistence associated with reduced behavioral flexibility in the maternal immune activation model of schizophrenia. Hippocampus, 23(12), 1395-1409. doi: 10.1002/hipo.22193

Oorschot, D. E., Voss, L., Covey, M. V., Goddard, L., Huang, W., Birchall, P., Bilkey, D. K., & Kohe, S. E. (2013). Spectrum of short- and long-term brain pathology and long-term behavioral deficits in male repeated hypoxic rats closely resembling human extreme prematurity. Journal of Neuroscience, 33(29), 11863-11877. doi: 10.1523/jneurosci.0342-12.2013

Jing, Y., Zhang, H., Wolff, A. R., Bilkey, D. K., & Liu, P. (2013). Altered arginine metabolism in the hippocampus and prefrontal cortex of maternal immune activation rat offspring. Schizophrenia Research, 148(1-3), 151-156. doi: 10.1016/j.schres.2013.06.001

Journal - Research Other

Hillman, K. L., & Bilkey, D. K. (2013). Persisting through subjective effort: A key role for the anterior cingulate cortex? Behavioral & Brain Sciences, 36(6), 691-692. doi: 10.1017/S0140525X13001039

Conference Contribution - Published proceedings: Abstract

Overeem, K. A., Wolff, A. R., Bilkey, D. K., & Williams, J. M. (2013). Aberrant expression of microRNA in blood plasma and CA1 of adult animals exposed to maternal immune activation. Proceedings of the Society for Neuroscience 43rd Annual Meeting. SfN. Retrieved from http://www.sfn.org/annual-meeting/neuroscience-2013/abstracts-and-sessions

Munn, R. G. K., Tyree, S. M., McNaughton, N., & Bilkey, D. K. (2013). The frequency and power of hippocampal theta rhythm are modulated on a circadian period and entrained by food availability. Proceedings of the Society for Neuroscience 43rd Annual Meeting. SfN. Retrieved from http://www.sfn.org/annual-meeting/neuroscience-2013/abstracts-and-sessions

Bilkey, D. K. (2013). Altered hippocampal function in the maternal immune activation model of schizophrenia. In B. Leitch & J. Shemmell (Eds.), Proceedings of the 31st International Australasian Winter Conference on Brain Research. 31, (pp. 74). AWCBR. Retrieved from http://psy.otago.ac.nz/awcbr/Abstracts/Abstracts2013copy.html

Conference Contribution - Verbal presentation and other Conference outputs

Hillman, K. L., & Bilkey, D. K. (2013, February). Neural encoding of competitive effort in the anterior cingulate cortex. Verbal presentation at the Australian Neuroscience Society Annual Meeting, Melbourne, Australia.

Bilkey, D. K. (2013, August). Altered hippocampal function in the maternal immune activation model of schizophrenia. Verbal presentation at the Queenstown Molecular Biology (QMB) Meetings, Queenstown, New Zealand.

2012

Journal - Research Article

Hillman, K. L., & Bilkey, D. K. (2012). Neural encoding of competitive effort in the anterior cingulate cortex. Nature Neuroscience, 15(9), 1290-1298. doi: 10.1038/nn.3187

Dickerson, D. D., Restieaux, A. M., & Bilkey, D. K. (2012). Clozapine administration ameliorates disrupted long-range synchrony in a neurodevelopmental animal model of schizophrenia. Schizophrenia Research, 135, 112-115. doi: 10.1016/j.schres.2011.12.016

Munn, R. G. K., & Bilkey, D. K. (2012). The firing rate of hippocampal CA1 place cells is modulated with a circadian period. Hippocampus, 22, 1325-1337. doi: 10.1002/hipo.20969

Clearwater, J. M., & Bilkey, D. K. (2012). Place, space, and taste: Combining context and spatial information in a hippocampal navigation system. Hippocampus, 22(3), 442-454. doi: 10.1002/hipo.20911

Conference Contribution - Published proceedings: Abstract

Overeem, K. A., Guévremont, D., Bilkey, D. K., Tate, W. P., Abraham, W. C., & Williams, J. M. (2012). Comparison of methods for the isolation of microRNA from rat and human plasma: Beginning the search for biomarkers of neurological disorders. Proceedings of the Australian Neuroscience Society (ANS) Annual Scientific Meeting. (pp. 124). Retrieved from http://www.ans.org.au/ans-annual-conference/

Bilkey, D. K., Cheyne, K. R., Eckert, M. J., Lu, X., Chowdhury, S., Worley, P. F., … Abraham, W. C. (2012). Exposure to complex environments results in more sparse representations of space in the hippocampus. Proceedings of the Australian Neuroscience Society (ANS) Annual Scientific Meeting. (pp. 59). Retrieved from http://www.ans.org.au/ans-annual-conference/

Bilkey, D. K., & Hillman, K. L. (2012). Prospective memory during decision-making. Proceedings of the Australian Neuroscience Society (ANS) Annual Scientific Meeting. (pp. 10). Retrieved from http://www.ans.org.au/ans-annual-conference/

Oorschot, D., Voss, L., Covey, M., Huang, W., Birchall, P., Bilkey, D., & Kohe, S. (2012). Spectrum of short- and long-term brain pathology and long-term behavioural deficits in male repeated hypoxic rats closely resembling human extreme prematurity. In B. Leitch & J. Shemmell (Eds.), Proceedings of the 30th International Australasian Winter Conference on Brain Research. 30, (pp. 73). AWCBR. Retrieved from http://psy.otago.ac.nz/awcbr/Abstracts/Abstracts2012.html

Overeem, K., Wolff, A., Bilkey, D., & Williams, J. (2012). Aberrant expression of plasma microRNAs in the maternal immune activation model of schizophrenia. In B. Leitch & J. Shemmell (Eds.), Proceedings of the 30th International Australasian Winter Conference on Brain Research. 30, (pp. 65). AWCBR. Retrieved from http://psy.otago.ac.nz/awcbr/Abstracts/Abstracts2012.html

Conference Contribution - Verbal presentation and other Conference outputs

Restieaux, A., Dickerson, D., & Bilkey, D. (2012, August). Acute clozapine administration ameliorates the disruption in long-range synchrony in a maternal immune activation animal model of schizophrenia. Verbal presentation at the New Zealand Schizophrenia Research Group Annual Research Meeting, Wellington, New Zealand.

2011

Journal - Research Article

Wolff, A. R., Cheyne, K. R., & Bilkey, D. K. (2011). Behavioural deficits associated with maternal immune activation in the rat model of schizophrenia. Behavioural Brain Research, 225, 382-387. doi: 10.1016/j.bbr.2011.07.033

Morgan, K., Dennis, N. A., Ruffman, T., Bilkey, D. K., & McLennan, I. S. (2011). The stature of boys is inversely correlated to the levels of their Sertoli cell hormones: Do the testes restrain the maturation of boys? PLoS ONE, 6(6), e20533. doi: 10.1371/journal.pone.0020533

Morgan, K., Meredith, J., Kuo, J.-Y. A., Bilkey, D. K., & McLennan, I. S. (2011). The sex bias in novelty preference of preadolescent mouse pups may require testicular Müllerian inhibiting substance. Behavioural Brain Research, 221(1), 304-306. doi: 10.1016/j.bbr.2011.02.048

Conference Contribution - Published proceedings: Abstract

Dickerson, D. D., & Bilkey, D. K. (2011). Selective disruption of synchrony between prefrontal cortex and hippocampus in the Maternal Immune Activation (MIA) model of schizophrenia. Proceedings of the Australian Neuroscience Society (ANS) Annual Scientific Meeting. (pp. 120). Retrieved from http://www.ans.org.au/uploads/documents/2011%20Docs/conference%20abstracts/ANS%202011%20Poster%20Abstracts.pdf

Hillman, K., & Bilkey, D. (2011). Competitive effort registers in the rat anterior cingulate cortex as a cost-benefit decision variable. Proceedings of the Society for Neuroscience 41st Annual Meeting. Washington, DC: SfN. Retrieved from http://www.sfn.org/am2011/index.aspx?pagename=abstracts_main

Wolff, A., Cheyne, K., & Bilkey, D. (2011). Long-term consequences of maternal immune activation on contextual processing in the offspring: Relevance to schizophrenia. New Zealand Medical Journal, 124(1344). Retrieved from http://journal.nzma.org.nz/journal/124-1344/4919/content.pdf

Overeem, K., Wolff, A., Bilkey, D., Williams, J., & Abraham, W. (2011). Maternal immune activation reduces inhibitory drive in CA1 of the dorsal hippocampus: A potential characteristic of increased risk for schizophrenia development. New Zealand Medical Journal, 124(1342). Retrieved from http://journal.nzma.org.nz/journal/124-1342/4875/content.pdf

Morgan, K., Dennis, N. A., Ruffman, T., Bilkey, D. K., & McLennan, I. S. (2011). Childhood hormones and maturity: Does MIS slow maturation in boys? Proceedings of the 17th Biennial Conference of the Australasian Human Development Association (AHDA). (pp. 47). Retrieved from http://www.otago.ac.nz/ahda2011/

Conference Contribution - Verbal presentation and other Conference outputs

Bilkey, D. (2011, July). Ammon's horn and a dilemma: Decision-making, prefrontal cortex and hippocampus. Verbal presentation at the Brain Health Research Centre Conference, Dunedin, New Zealand.

2010

Journal - Research Article

Dickerson, D. D., Wolff, A. R., & Bilkey, D. K. (2010). Abnormal long-range neural synchrony in a maternal immune activation animal model of schizophrenia. Journal of Neuroscience, 30(37), 12424-12431. doi: 10.1523/JNEUROSCI.3046-10.2010

Eckert, M. J., Bilkey, D. K., & Abraham, W. C. (2010). Altered plasticity in hippocampal CA1, but not dentate gyrus, following long-term environmental enrichment. Journal of Neurophysiology, 103(6), 3320-3329. doi: 10.1152/jn.01037.2009

Hillman, K. L., & Bilkey, D. K. (2010). Neurons in the rat anterior cingulate cortex dynamically encode cost-benefit in a spatial decision-making task. Journal of Neuroscience, 30(22), 7705-7713. doi: 10.1523/JNEUROSCI.1273-10.2010

Wolff, A. R., & Bilkey, D. K. (2010). The maternal immune activation (MIA) model of schizophrenia produces pre-pulse inhibition (PPI) deficits in both juvenile and adult rats but these effects are not associated with maternal weight loss. Behavioural Brain Research, 213, 323-327. doi: 10.1016/j.bbr.2010.05.008

Lu, X., & Bilkey, D. K. (2010). The velocity-related firing property of hippocampal place cells is dependent on self-movement. Hippocampus, 20(5), 573-583. doi: 10.1002/hipo.20666

Conference Contribution - Published proceedings: Abstract

Hillman, K. L., & Bilkey, D. K. (2010). Cost-benefit encoding in the anterior cingulate cortex. In B. Leitch (Ed.), Proceedings of the 28th International Australasian Winter Conference on Brain Research. 28, (pp. 58). AWCBR. Retrieved from http://psy.otago.ac.nz/awcbr/Abstracts/Abstracts2010.htm

Dickerson, D. D., & Bilkey, D. (2010). Abnormal neural synchrony in a maternal immune activation animal model of schizophrenia. In B. Leitch (Ed.), Proceedings of the 28th International Australasian Winter Conference on Brain Research. 28, (pp. 22). AWCBR. Retrieved from http://psy.otago.ac.nz/awcbr/Abstracts/Abstracts2010.htm

Jing, Y., Zhang, H., Wolff, A., Bilkey, D. K., & Liu, P. (2010). Altered arginine metabolism in the hippocampus and prefrontal cortex in maternal immune activation rat offspring. In B. Leitch (Ed.), Proceedings of the 28th International Australasian Winter Conference on Brain Research. 28, (pp. 29). AWCBR. Retrieved from http://psy.otago.ac.nz/awcbr/Abstracts/Abstracts2010.htm

Dickerson, D. D., & Bilkey, D. K. (2010). Abnormal long-range neural synchrony in a neurodevelopmental animal model of schizophrenia. Royal Australian and New Zealand College of Psychiatrists. 44(Suppl. 1), (pp. A50). [Abstract]

Wolff, A., Cheyne, K., & Bilkey, D. (2010). Abnormal hippocampal function as a result of maternal immune activation (MIA) in rats. Royal Australian and New Zealand College of Psychiatrists. 44(Suppl. 1), (pp. A55-A56). [Abstract]

Wolff, A. R., Cheyne, K. R., & Bilkey, D. K. (2010). Hippocampal dysfunction in a maternal immune activation (MIA) animal model of schizophrenia. Proceedings of the 7th Forum of European Neuroscience (FENS). Retrieved from http://fens2010.neurosciences.asso.fr/

Munn, R. G. K., & Bilkey, D. K. (2010). Modulation in the firing rates of CA1 ″place cells″ over long recordings: A putative circadian time signal in the hippocampus? Proceedings of the 7th Forum of European Neuroscience (FENS). Retrieved from http://fens2010.neurosciences.asso.fr/

Dickerson, D. D., & Bilkey, D. K. (2010). Abnormal neural synchrony in a maternal immune activation animal model of schizophrenia. Proceedings of the 7th Forum of European Neuroscience (FENS). Retrieved from http://fens2010.neurosciences.asso.fr/

Hillman, K. L., & Bilkey, D. K. (2010). Neurons in the rat anterior cingulate cortex encode integrated effort-reward information in a spatial decision-making task. Proceedings of the 7th Forum of European Neuroscience (FENS). Retrieved from http://fens2010.neurosciences.asso.fr/

Hillman, K., & Bilkey, D. (2010). Nike says ″Just Do It″: But what does your brain say? New Zealand Medical Journal, 123(1312). Retrieved from http://journal.nzma.org.nz/journal/123-1312/4065/content.pdf

Wolff, A. R., Cheyne, K. R., & Bilkey, D. K. (2010). Hippocampal dysfunction in a maternal immune activation (MIA) animal model of schizophrenia. Schizophrenia Research. 117(2-3), (pp. 511-512). doi: 10.1016/j.schres.2010.02.978

Conference Contribution - Verbal presentation and other Conference outputs

Hillman, K., & Bilkey, D. (2010, November). Nike says ″Just Do It″: But what does your brain say? Verbal presentation at the Psycolloquy Seminar, Dunedin, New Zealand.

2009

Journal - Research Article

Nerad, L., Liu, P., & Bilkey, D. K. (2009). Bilateral NMDA lesions centered on the postrhinal cortex have minimal effects on hippocampal place cell firing. Hippocampus, 19(3), 221-227. doi: 10.1002/hipo.20517

Conference Contribution - Published proceedings: Abstract

Savanthrapadian, S., Wolff, A. R., Eckert, M. J., Logan, B., Bilkey, D. K., & Abraham, W. C. (2009). Alterations in hippocampal synaptic plasticity in a maternal immune activation animal model of schizophrenia. In R. Napper (Ed.), Proceedings of the 27th International Australasian Winter Conference on Brain Research. 27, (pp. 39). AWCBR. Retrieved from http://psy.otago.ac.nz/awcbr/Abstracts/Abstracts2009.htm

Bilkey, D. K., & Hillman, K. L. (2009). Neurons in the rat anterior cingulate cortex dynamically encode cost-benefit in both a retro- and prospective manner in a spatial decision-making task. Proceedings of the Society for Neuroscience 39th Annual Meeting. SfN. Retrieved from http://www.abstractsonline.com/plan/AdvancedSearch.aspx

Conference Contribution - Verbal presentation and other Conference outputs

Overeem, K., Gill, H., Geuvremont, D., Williams, J., Bilkey, D., & Abraham, C. (2009, September). Does the maternal immune activation model of schizophrenia alter hippocampal levels of the GABA-synthesizing enzymes GAD65 and GAD67 or the NMDA receptor subunit NR1? Verbal presentation at the 16th New Zealand Schizophrenia Research Group Annual Research Conference, Dunedin, New Zealand.

Dickerson, D. D., & Bilkey, D. K. (2009, September). Abnormal neural synchrony in a maternal immune activation animal model of schizophrenia. Verbal presentation at the 16th New Zealand Schizophrenia Research Group Annual Research Conference, Dunedin, New Zealand.

Wolff, A., Savanthrapadian, S., Eckert, M. J., Logan, B., Abraham, W. C., & Bilkey, D. K. (2009, September). Alterations in memory and hippocampal plasticity in maternal immune activation animal model of schizophrenia. Verbal presentation at the 16th New Zealand Schizophrenia Research Group Annual Research Conference, Dunedin, New Zealand.

Dickerson, D. D., & Bilkey, D. K. (2009, November). Abnormal neural synchrony in a maternal immune activation animal model of schizophrenia. Verbal presentation at the Psycolloquy Seminar, Dunedin, New Zealand.

Other Research Output

Bilkey, D. (2009, November). Hippocampal-cortical communication: from Amnesia to schiZophrenia. University of Otago, Dunedin, New Zealand. [Inaugural Professorial Lecture].

2008

Chapter in Book - Research

Bilkey, D. K. (2008). Neocortical influences on hippocampal place cells. In S. J. Y. Mizumori (Ed.), Hippocampal place fields: Relevance to learning and memory. (pp. 253-270). Oxford University Press. doi: 10.1093/acprof:oso/9780195323245.003.0019

Journal - Research Article

Wolff, A. R., & Bilkey, D. K. (2008). Immune activation during mid-gestation disrupts sensorimotor gating in rat offspring. Behavioural Brain Research, 190(1), 156-159. doi: 10.1016/j.bbr.2008.02.021

Taylor, C. J., Ireland, D. R., Ballagh, I., Bourne, K., Marechal, N. M., Turner, P. R., Bilkey, D. K., Tate, W. P., & Abraham, W. C. (2008). Endogenous secreted amyloid precursor protein-α regulates hippocampal NMDA receptor function, long-term potentiation and spatial memory. Neurobiology of Disease, 31(2), 250-260. doi: 10.1016/j.nbd.2008.04.011

Conference Contribution - Published proceedings: Abstract

Kohe, S. E., Covey, M. V., Birchall, P., Bilkey, D. K., & Oorschot, D. E. (2008). Myelin and memory deficits in rats exposed to repeated hypoxia during development: A novel model of extreme prematurity. Proceedings of the Society for Neuroscience 38th Annual Meeting. SfN. Retrieved from http://www.abstractsonline.com/plan/AdvancedSearch.aspx

Cheyne, K. R., & Bilkey, D. K. (2008). Hippocampal neurons dynamically encode cost/benefit in a decision-making task. Proceedings of the 6th Forum of European Neuroscience. Retrieved from http://fens2008.neurosciences.asso.fr/index.html

Wolff, A. R., Cheyne, K. R., & Bilkey, D. K. (2008). Behavioural deficits in a maternal immune activation animal model of schizophrenia are indicative of hippocampal dysfunction. Proceedings of the 6th Forum of European Neuroscience. Retrieved from http://fens2008.neurosciences.asso.fr/index.html

Conference Contribution - Verbal presentation and other Conference outputs

Tate, W., Bourne, K., Turner, P. R., Claasen, A., Ryan, M., Taylor, C., Ireland, D., Ballagh, I., Marechal, N., Bilkey, D., Williams, J., & Abraham, W. (2008, November-December). Secreted amyloid precursor protein alpha: A mammalian memory molecule. Verbal presentation at the New Zealand Institute of Chemistry, New Zealand Society for Biochemistry and Molecular Biology and the New Zealand Society of Plant Biologists Combined Conference, Dunedin, New Zealand.

2007

Journal - Research Article

Bilkey, D. K. (2007). Space and context in the temporal cortex. Hippocampus, 17, 813-825. doi: 10.1002/hipo.20318

Douglas, K. M., & Bilkey, D. K. (2007). Amusia is associated with deficits in spatial processing. Nature Neuroscience, 10(7), 915-921. doi: 10.1038/nn1925

Oorschot, D. E., Voss, L., Covey, M. V., Bilkey, D. K., & Saunders, S. E. (2007). ADHD-like hyperactivity, with no attention deficit, in adult rats after repeated hypoxia during the equivalent of extreme prematurity. Journal of Neuroscience Methods, 166, 315-322.

Conference Contribution - Published proceedings: Abstract

Eckert, M. J., Bilkey, D. K., Crandall, J., Cheyne, K. R., Lu, X., Chowdhury, A. H., … Abraham, W. C. (2007). Environmental enrichment increases the sparseness of spatial representations in the hippocampus. Proceedings of the Society for Neuroscience 37th Annual Meeting. SfN. Retrieved from http://www.abstractsonline.com/viewer/SearchResults.asp

Wolff, A. R., Cheyne, K. R., & Bilkey, D. K. (2007). Hippocampal dysfunction in an animal model of schizophrenia. In J. G. Anson (Ed.), Proceedings of the 25th International Australasian Winter Conference on Brain Research. 25, (pp. 61). AWCBR. Retrieved from http://psy.otago.ac.nz/awcbr/Abstracts/2007Abstracts.pdf

Cheyne, K. R., & Bilkey, D. K. (2007). Hippocampal involvement in cost/benefit analysis. In J. G. Anson (Ed.), Proceedings of the 25th International Australasian Winter Conference on Brain Research. 25, (pp. 21). AWCBR. Retrieved from http://psy.otago.ac.nz/awcbr/Abstracts/2007Abstracts.pdf

Eckert, M., Crandall, J., Cheyne, K., Bilkey, D., & Abraham, W. (2007). Environmental enrichment increases the sparseness of spatial representations in the hippocampus. In J. G. Anson (Ed.), Proceedings of the 25th International Australasian Winter Conference on Brain Research. 25, (pp. 32). AWCBR. Retrieved from http://psy.otago.ac.nz/awcbr/Abstracts/2007Abstracts.pdf

Douglas, K. M., & Bilkey, D. K. (2007). Amusia is associated with deficits in spatial processing. In J. G. Anson (Ed.), Proceedings of the 25th International Australasian Winter Conference on Brain Research. 25, (pp. 50). AWCBR. Retrieved from http://psy.otago.ac.nz/awcbr/Abstracts/2007Abstracts.pdf

Liu, P., Devaraj, R., Collie, N. D., Chary, S., Bilkey, D. K., Smith, P. F., Darlington, C. L., & Zhang, H. (2007). Effects of aging on agmatine levels in memory-associated brain structures. In J. G. Anson (Ed.), Proceedings of the 25th International Australasian Winter Conference on Brain Research. 25, (pp. 26). AWCBR. Retrieved from http://psy.otago.ac.nz/awcbr/Abstracts/2007Abstracts.pdf

Conference Contribution - Poster Presentation (not in published proceedings)

Cheyne, K. R., & Bilkey, D. K. (2007, July). Hippocampal involvement in a cost/benefit decision-making task. Poster session presented at the 7th International Brain Research Organization World Congress of Neuroscience, Melbourne, Australia.

Conference Contribution - Verbal presentation and other Conference outputs

Cheyne, K. R., & Bilkey, D. K. (2007, November). Hippocampal involvement in cost/benefit analysis. Verbal presentation at the Psycolloquy Seminar, Dunedin, New Zealand.

Abraham, C., Eckert, M., Crandall, J., Cheyne, K., Lu, X., Chowdhury, A. H., … Bilkey, D. (2007, November). Environmental enrichment increases the sparseness of spatial representations in the hippocampus. Verbal presentation at the Psycolloquy Seminar, Dunedin, New Zealand.

Wolff, A. R., Cheyne, K. R., Lithgow, J. K. R., & Bilkey, D. K. (2007, August). Hippocampal dysfunction in an MIA animal model of schizophrenia. Verbal presentation at the 14th Annual New Zealand Schizophrenia Research Meeting, Auckland, New Zealand.

Wolff, A. R., Cheyne, K. R., & Bilkey, D. K. (2007, July). Hippocampal dysfunction in an animal model of schizophrenia. Verbal presentation at the 7th International Brain Research Organization World Congress of Neuroscience, Melbourne, Australia.

2006

Journal - Research Article

Russell, N. A., Horii, A., Smith, P. F., Darlington, C. L., & Bilkey, D. K. (2006). Lesions of the vestibular system disrupt hippocampal theta rhythm in the rat. Journal of Neurophysiology, 96, 4-14.

Futter, J. E., Davies, M., Bilkey, D. K., & Aggleton, J. P. (2006). The effects of cytotoxic perirhinal cortex lesions on spatial learning by rats: A comparison of the Dark Agouti and Sprague-Dawley strains. Behavioral Neuroscience, 120, 150-161.

Conference Contribution - Published proceedings: Abstract

Saunders, S., Covey, M., Bilkey, D., & Oorschot, D. (2006). Hyperactivity in adult rats after exposure to repeated hypoxia during development: A novel rat model of extreme prematurity that is relevant to attention deficit hyperactivity disorder. New Zealand Medical Journal, 119(1245). Retrieved from http://journal.nzma.org.nz/journal/119-1245/2331/content.pdf

Liu, P., Smith, P. F., Darlington, C. L., & Bilkey, D. K. (2006). Effects of perirhinal nitric oxide synthase inhibition in the water maze task. Acta Pharmacologica Sinica. 27(Suppl.), (pp. 371). [Abstract]

Saunders, S. E., Covey, M., Bilkey, D., & Oorschot, D. (2006). Hyperactivity and memory deficits after repeated hypoxia during development: A novel rat model of extreme prematurity. In J. G. Anson (Ed.), Proceedings of the 24th International Australasian Winter Conference on Brain Research. 24, (pp. 25). AWCBR. Retrieved from http://psy.otago.ac.nz/awcbr/Abstracts/2006Abstracts.pdf

Cheyne, K. R., Dickerson, D. D., Lu, X., Abraham, W. C., & Bilkey, D. K. (2006). Environmental enrichment alters hippocampal representation of context and behavioural response to context change. In J. G. Anson (Ed.), Proceedings of the 24th International Australasian Winter Conference on Brain Research. 24, (pp. 27). AWCBR. Retrieved from http://psy.otago.ac.nz/awcbr/Abstracts/Abstracts2006.htm#Cheynej

Conference Contribution - Verbal presentation and other Conference outputs

Bilkey, D. (2006, November). Hippocampal function: Getting there? Verbal presentation at the Psycolloquy Seminar, Dunedin, New Zealand.

2005

Journal - Research Article

Nerad, L., & Bilkey, D. K. (2005). Ten- to 12-Hz EEG oscillation in the rat hippocampus and rhinal cortex that is modulated by environmental familiarity. Journal of Neurophysiology, 93(3), 1246-1254.

Kyd, R. J., & Bilkey, D. K. (2005). Hippocampal place cells show increased sensitivity to changes in the local environment following prefrontal cortex lesions. Cerebral Cortex, 15(6), 720-731.

Bilkey, D. K., & Clearwater, J. M. (2005). The dynamic nature of spatial encoding in the hippocampus. Behavioral Neuroscience, 119(6), 1533-1545.

Liu, P., Smith, P. F., Appleton, I., Darlington, C. L., & Bilkey, D. K. (2005). Hippocampal nitric oxide synthase and arginase and age-associated behavioral deficits. Hippocampus, 15, 642-655.

Smith, P. F., Horii, A., Russell, N., Bilkey, D. K., Zheng, Y., Liu, P., Kerr, D. S., & Darlington, C. L. (2005). The effects of vestibular lesions on hippocampal function in rats. Progress in Neurobiology, 75, 391-405.

Conference Contribution - Published proceedings: Abstract

Bilkey, D. K., Lu, X., Cheyne, K. R., Dickerson, D. D., & Abraham, W. C. (2005). Exposure to enriched environments alters the representation of space in the hippocampus. Proceedings of the Society for Neuroscience Conference. 72(3). Washington, DC: SfN. Retrieved from http://sfn.scholarone.com/itin2005/main.html

Cheyne, K. R., Dickerson, D. D., Lu, X., Abraham, W. C., & Bilkey, D. K. (2005). Exposure to enriched environments alters spatial representation in the hippocampus. Proceedings of the 23rd International Australasian Winter Conference on Brain Research. (pp. 52). Dunedin, New Zealand: University of Otago. Retrieved from http://psy.otago.ac.nz/awcbr/Abstracts/Abstracts2005.htm

Oorschot, D. E., Voss, L., Covey, M. V., Bilkey, D. K., Huang, W., Birchall, P., & Saunders, S. E. (2005). Extreme prematurity, repeated hypoxia and attention deficit hyperactivity disorder. Proceedings of the First Dunedin Workshop on the Neurobiology of ADHD. (pp. 16-17). Dunedin, New Zealand: University of Otago. [Abstract]

2004

Journal - Research Article

Aggleton, J. P., Kyd, R. J., & Bilkey, D. K. (2004). When is the perirhinal cortex necessary for the performance of spatial memory tasks? Neuroscience & Biobehavioral Reviews, 28(6), 611-624.

Horii, A., Russell, N. A., Smith, P. F., Darlington, C. L., & Bilkey, D. K. (2004). Vestibular influences on CA1 neurons in the rat hippocampus: An electrophysiological study in vivo. Experimental Brain Research, 155(2), 245-250.

Liu, P., Smith, P. F., Appleton, I., Darlington, C. L., & Bilkey, D. K. (2004). Potential involvement of NOS and arginase in age-related behavioural impairments. Experimental Gerontology, 39(8), 1207-1222.

Liu, P., Jarrard, L. E., & Bilkey, D. K. (2004). Excitotoxic lesions of the pre- and parasubiculum disrupt the place fields of hippocampal pyramidal cells. Hippocampus, 14(1), 107-116.

Liu, P., Smith, P. F., Appleton, I., Darlington, C. L., & Bilkey, D. K. (2004). Age-related changes in nitric oxide synthase and arginase in the rat prefrontal cortex. Neurobiology of Aging, 25(4), 547-552.

Journal - Research Other

Bilkey, D. K. (2004). Neuroscience: In the place space. Science, 305(5688), 1245-1246.

Conference Contribution - Published proceedings: Abstract

Kyd, R. J., & Bilkey, D. K. (2004). Prefrontal cortex lesions disinhibit hippocampal place cells and increase their sensitivity to changes in the local environment. FENS Forum Abstracts. 2. [Abstract]

Bilkey, D. K. (2004). Perirhinal influences on hippocampal processing. FENS Forum Abstracts. 2. [Abstract]

Conference Contribution - Verbal presentation and other Conference outputs

Liu, P., Smith, P. F., Appleton, I., Darlington, C. L., & Bilkey, D. K. (2004, August). Hippocampal nitric oxide synthase and arginase and age-associated behavioral deficits. Verbal presentation at the 22nd International Australasian Winter Conference on Brain Research, Queenstown, New Zealand.

2003

Journal - Research Article

Muir, G. M., & Bilkey, D. K. (2003). Theta- and movement velocity-related firing of hippocampal neurons is disrupted by lesions centered on the perirhinal cortex. Hippocampus, 13, 93-108.

Kyd, R. J., & Bilkey, D. K. (2003). Prefrontal cortex lesions modify the spatial properties of hippocampal place cells. Cerebral Cortex, 13(5), 444-451.

Russell, N. A., Horii, A., Smith, P. F., Darlington, C. L., & Bilkey, D. K. (2003). Bilateral peripheral vestibular lesions produce long-term changes in spatial learning in the rat. Journal of Vestibular Research, 13(1), 9-16.

Liu, P., Smith, P. F., Appleton, I., Darlington, C. L., & Bilkey, D. K. (2003). Regional variations and age-related changes in nitric oxide synthase and arginase in the sub-regions of the hippocampus. Neuroscience, 119(3), 679-687.

Liu, P., Smith, P. F., Appleton, I., Darlington, C. L., & Bilkey, D. K. (2003). Nitric oxide synthase and arginase in the rat hippocampus and the entorhinal, perirhinal, postrhinal, and temporal cortices: Regional variations and age-related changes. Hippocampus, 13, 859-867.

Liu, P., Bilkey, D. K., Darlington, C. L., & Smith, P. F. (2003). Cannabinoid CB1 receptor protein expression in the rat hippocampus and entorhinal, perirhinal, postrhinal and temporal cortices: Regional variations and age-related changes. Brain Research, 979(1-2), 235-239.

Russell, N. A., Horii, A., Smith, P. F., Darlington, C. L., & Bilkey, D. K. (2003). Long-term effects of permanent vestibular lesions on hippocampal spatial firing. Journal of Neuroscience, 23(16), 6490-6498.

Liu, P., Zheng, Y., Smith, P. F., & Bilkey, D. K. (2003). Changes in NOS protein expression and activity in the rat hippocampus, entorhinal and postrhinal cortices after unilateral electrolytic perirhinal cortex lesions. Hippocampus, 13, 561-571.

Journal - Research Other

Bilkey, D. K., Russell, N., & Colombo, M. (2003). A lightweight microdrive for single-unit recording in freely moving rats and pigeons. Methods, 30(2), 152-158. doi: 10.1016/S1046-2023(03)00076-8

Conference Contribution - Published proceedings: Abstract

Liu, P., Bilkey, D. K., Darlington, C. L., & Smith, P. F. (2003). Age-related changes in glucocorticoid receptor protein expression in the rat hippocampus and parahippocampal region. In J. G. Anson & J. Wickens (Eds.), Proceedings of the 21st International Australasian Winter Conference on Brain Research. (pp. 53). Queenstown: AWCBR. [Abstract]

Lu, X., & Bilkey, D. K. (2003). Hippocampal complex-spike cell movement-related firing is driven by motor efferent or proprioceptive systems. In J. G. Anson & J. Wickens (Eds.), Proceedings of the 21st International Australasian Winter Conference on Brain Research. (pp. 29). Queenstown: AWCBR. [Abstract]

Cheyne, K. R., & Bilkey, D. K. (2003). Effect of rearing environment on an object recognition memory task. In J. G. Anson & J. Wickens (Eds.), Proceedings of the 21st International Australasian Winter Conference on Brain Research. (pp. 29). Queenstown: AWCBR. [Abstract]

2002

Chapter in Book - Research

Dragunow, M., & Bilkey, D. (2002). Neuroanatomical and functional mapping using activation of transcription factors. In L. Kaczmarek & H. A. Robertson (Eds.), The Handbook of Chemical Neuroanatomy, 19 - Immediate Early Genes and Inducible Transcription Factors in Mapping of the Central Nervous System Function and Dysfunction. (pp. 39-44). Amsterdam: Elsevier.

Journal - Research Article

Liu, P., & Bilkey, D. (2002). The effects of NMDA lesions centered on the postrhinal cortex on spatial memory tasks in the rat. Behavioral Neuroscience, 116, 860-873.

Conference Contribution - Published proceedings: Abstract

Bilkey, D. K., & Nerad, L. (2002). Perirhinal cortex neurons phase-lock to hippocampal theta but do not have clear place fields in an open arena. Society for Neuroscience Abstracts. (P477.7). [Abstract]

Lu, X., & Bilkey, D. K. (2002). Perirhinal cortex lesions affect place field size and may alter phase precession of hippocampal place cells. Society for Neuroscience Abstracts. (P477.8). [Abstract]

Conference Contribution - Verbal presentation and other Conference outputs

Lu, X., & Bilkey, D. K. (2002). A reduction in the area of the place fields of hippocampal place cells correlates with reduced theta-phase variance following perirhinal cortex lesions. Verbal presentation at the 20th International Australasian Winter Conference on Brain Research, Queenstown, New Zealand.

2001

Journal - Research Article

Zironi, I., Iacovelli, P., Aicardi, G., Liu, P., & Bilkey, D. K. (2001). Prefrontal cortex lesions augment the location-related firing properties of area TE/perirhinal cortex neurons in a working memory task. Cerebral Cortex, 11, 1093-1100.

Liu, P., & Bilkey, D. (2001). The effect of excitotoxic lesions centered on the hippocampus or perirhinal cortex in object recognition and spatial memory tasks. Behavioral Neuroscience, 115(1), 94-111.

Muir, G. M., & Bilkey, D. (2001). Instability in the place field location of hippocampal place cells after lesions centered on the perirhinal cortex. Journal of Neuroscience, 21(11), 4016-4025.

Liu, P., Jarrard, L. E., & Bilkey, D. (2001). Excitotoxic lesions of the pre- and parasubiculum disrupt object recognition and spatial memory processes. Behavioral Neuroscience, 115(1), 112-124.

Conference Contribution - Published proceedings: Abstract

Nerad, L., & Bilkey, D. K. (2001). ″Stop cells″ in the rat hippocampus. 19th International Australasian Winter Conference on Brain Research. 19, (pp. 58). [Abstract]

Richmond, J., Liu, P., Bilkey, D., & Smith, P. F. (2001). Changes in NOS activity and protein expression in the rat hippocampus and entorhinal and postrhinal cortoces following unilateral perirhinal lesions. Society for Neuroscience Abstracts. 27. [Abstract]

Conference Contribution - Verbal presentation and other Conference outputs

Kyd, R. J., & Bilkey, D. K. (2001). Prefrontal lesions affect the stability of hippocampal place fields. Verbal presentation at the 19th International Australaisan Winter Conference on Brain Research, Queenstown.

Nerad, L., & Bilkey, D. K. (2001). 'Stop cells' in the rat hippocampus. Verbal presentation at the 19th International Australasian Winter Conference on Brain Research, Queenstown.

Bilkey, D. K. (2001). Executive control in frontal and temporal cortex. Verbal presentation at the IUPS Satellite Symposium: Neural Mechanisms of Learning and Memory, Queenstown.

Lu, X., Liu, P., & Bilkey, D. K. (2001). Perirhinal lesions affect firing properties of hippocampal place cells. Verbal presentation at the 19th International Australasian Winter Conference on Brain Research, Queenstown, New Zealand.

Liu, P., & Bilkey, D. K. (2001). The effects of NMDA lesions centred on the postrhinal cortex on spatial memory tasks in the rat. Verbal presentation at the 19th International Australasian Winter Conference on Brain Research, Queenstown, New Zealand.

Russell, N. A., Liu, P., Darlington, C. L., Bilkey, D. K., Horii, A., & Smith, P. F. (2001). Hippocampal neuron firing rate correlations with angular velocity and angular acceleration in rats with vestibular lesions. Verbal presentation at the 19th International Australasian Winter Conference on Brain Research, Queenstown, New Zealand.

2000

Journal - Research Article

Bilkey, D., & Liu, P. (2000). The effects of separate and combined perirhinal and prefrontal cortex lesions on spatial memory tasks in the rat. Psychobiology, 28(1), 12-20.

Conference Contribution - Published proceedings: Abstract

Bilkey, D. K., Liu, P., & Jarrard, L. E. (2000). Lesions of pre/parasubiculum produce a delay-dependent deficit in a delayed non-match to position procedure. European Journal of Neuroscience. 12(Suppl. 11), (pp. 80). [Abstract]

Russell, N. A., Horii, A., Liu, P., Smith, P. F., Darlington, C. L., & Bilkey, D. K. (2000). Hippocampal place fields have decreased stability in rats with bilateral vestibular labyrinthectomies. Proceedings of the Society for Neuroscience. 26, (pp. 471). [Abstract]

Liu, P., Jarrard, L. E., & Bilkey, D. K. (2000). Excitotoxic lesions of the pre- and parasubiculum disrupt spatial memory and degrade the place fields of hippocampal pyramidal cells. Society for Neuroscience Abstracts. 26, (pp. 471). [Abstract]

Muir, G. M., & Bilkey, D. K. (2000). Lesions centered on the perirhinal cortex alter theta- and movement-related firing of hyppocampal place cells. Society for Neuroscience Abstracts. 26, (pp. 471). [Abstract]

Zironi, I., Iacovelli, P., Aicardi, G., Liu, P., & Bilkey, D. K. (2000). Lesions of prefrontal cortex alter the location-related firing properties of perirhinal cortex neurons in a working memory task. Society for Neuroscience Abstracts. 26, (pp. 473). [Abstract]

Conference Contribution - Verbal presentation and other Conference outputs

Kyd, R. J., & Bilkey, D. K. (2000). The effects of prefrontal lesions on the firing of hippocampal place cells. Verbal presentation at the Eighteenth International Australasian Winter Conference on Brain Research, Queenstown.

Russell, N., Horii, A., Liu, P., Smith, P., Darlington, C., & Bilkey, D. K. (2000). Hippocampal theta rhythm has decreased power in rats with bilateral vestibular labyrinthectomies. Verbal presentation at the Eighteenth International Australasian Winter Conference on Brain Research, Queenstown.

Liu, P., & Bilkey, D. K. (2000). Local inhibition of rat perirhinal cortex muscarinic receptors and nitric oxide synthase disrupt performance in the Morris water maze task. Verbal presentation at the Eighteenth International Australasian Winter Conference on Brain Research, Queenstown.

Bilkey, D. K., Liu, P., & Jarrard, L. E. (2000). Lesions of pre/para subiculum produce a delay-dependent deficit in a delayed non-match to Position procedure. Verbal presentation at the Forum of European Neuroscience, Brighton, UK.

1999

Journal - Research Article

Walton, M., Henderson, C., Mason-Parker, S. E., Lawlor, P., Abraham, W. C., Bilkey, D., & Dragunow, M. (1999). Immediate early gene transcription and synaptic modulation. Journal of Neuroscience Research, 58, 96-106.

Liu, P., & Bilkey, D. (1999). The effects of excitotoxic lesions centered on the perirhinal cortex in two versions of the radial arm maze task. Behavioral Neuroscience, 113(4), 672-682.

Bilkey, D., & Heinemann, U. (1999). Intrinsic theta-frequency membrane potential oscillations in layer III/V perirhinal cortex neurons of the rat. Hippocampus, 9, 510-518.

Bilkey, D., & Muir, G. M. (1999). A low cost, high precision subminiature microdrive for extracellular unit recording in behaving animals. Journal of Neuroscience Methods, 92, 87-90.

Bilkey, D. (1999). Perirhinal cortex: Lost in space? Behavioral & Brain Sciences, 22(3), 444-445.

Journal - Professional & Other Non-Research Articles

Liu, P., & Bilkey, D. (1999). Current source density analysis does not reveal a direct projection from the perirhinal cortex to septal part of hippocampal CA1 or dentate gyrus - A Reply. Hippocampus, 9, 601-602.

Conference Contribution - Published proceedings: Abstract

Muir, G. M., & Bilkey, D. K. (1999). Instability in the place field location of hippocampal place cells following lesions of the perirhinal cortex. Society for Neuroscience Abstracts. 25, (pp. 1382). [Abstract]

Liu, P. W., & Bilkey, D. K. (1999). Perirhinal cortex lesions produce a delay-dependent deficit in the working memory version of the water maze. Society for Neuroscience Abstracts. 25, (pp. 92). [Abstract]

Conference Contribution - Verbal presentation and other Conference outputs

Liu, D., & Bilkey, D. K. (1999). The effect of ibotenic acid lesions centred on the hippocampus and perirhinal cortex in an object recognition task. Verbal presentation at the 17th International Australasian Winter Conference on Brain Research, Queenstown, New Zealand.

Muir, G. M., & Bilkey, D. K. (1999). A reduction in hippocampal theta cell numbers following lesions of the peririhinal cortex. Verbal presentation at the 17th International Australasian Winter Conference on Brain Research, Queenstown, New Zealand.

1998

Journal - Research Article

Liu, P., & Bilkey, D. (1998). Perirhinal cortex contributions to performance in the water maze. Behavioral Neuroscience, 112(2), 304-315.

Muir, G. M., & Bilkey, D. (1998). Synchronous modulation of perirhinal cortex neuronal activity during cholinergically-mediated (type II) theta. Hippocampus, 8, 526-532.

Liu, P., & Bilkey, D. (1998). Excitotoxic lesions centered on perirhinal cortex produce delay-dependent deficits in a test of spatial memory. Behavioral Neuroscience, 112(2), 512-524.

Liu, P., & Bilkey, D. (1998). Lesions of perirhinal cortex produce spatial memory deficits in the radial maze. Hippocampus, 8(2), 114-121.

Journal - Professional & Other Non-Research Articles

Bilkey, D. (1998). Is there a direct projection from perirhinal cortex to the hippocampus? Hippocampus, 8, 424-425.

Conference Contribution - Published proceedings: Full paper

Mundy, M. B., Robins, A. V., & Bilkey, D. (1998). Distance as a location parameter in a model of hippocampal place fields. In N. Kasabov, R. Kozma, K. Ko, R. O'Shea, G. Coghill & T. Gedeon (Eds.), Progress in Connectionist-Based Information Systems: Proceedings of the 1997 International Conference on Neural Information Processing and Intelligent Information Systems. (pp. 71-75). Singapore: Springer. [Full Paper]

Conference Contribution - Published proceedings: Abstract

Bilkey, D. K., & Heinemann, U. (1998). Membrane and synaptic properties of layer III/V neurons of rat perirhinal cortex. Proceedings of the European Forum of Neuroscience. 10(S10), (pp. 246). [Abstract]

Liu, P., & Bilkey, D. (1998). The contribution of perirhinal cortex to spatial memory. Proceedings of the University of Otago Medical School. 76, (pp. 8). [Abstract]

Conference Contribution - Verbal presentation and other Conference outputs

Liu, P., & Bilkey, D. K. (1998). Excitotoxic lesions centred on perirhinal cortex disrupt performance in the morris water maze. Verbal presentation at the Proceedings of the 16th International Australasian Winter Conference on Brain Research

1997

Journal - Research Article

Liu, P., & Bilkey, D. K. (1997). Parallel involvement of perirhinal and lateral entorhinal cortex in the polysynaptic activation of hippocampus by olfactory inputs. Hippocampus, 7(3), 296-306.

Buchanan, J. M., & Bilkey, D. (1997). Transfer between atropine-induced spiking in the perirhinal cortex and electrical kindling of the amygdala. Brain Research, 771(1), 63-70.

Buchanan, J. M., & Bilkey, D. (1997). Transfer of epileptogenesis between perirhinal cortex and amygdala induced by electrical kindling. Brain Research, 771(1), 71-79.

Liu, P., & Bilkey, D. K. (1997). Current source density analysis of the potential evoked in hippocampus by perirhinal cortex stimulation. Hippocampus, 7(4), 389-396.

Journal - Professional & Other Non-Research Articles

Bilkey, D., & Liu, P. (1997). Origin of the lateral perforant path: reply. Hippocampus, 7(3), 351.

Conference Contribution - Published proceedings: Abstract

Liu, P., Abraham, W. C., & Bilkey, D. K. (1997). The effects of separate and combined prefrontal and perirhinal cortical lesions in spatial reference and working memory tasks. Society for Neuroscience Abstracts. 23, (pp. 1599). [Abstract]

Bilkey, D. K., Muir, G. M., & Heinemann, U. (1997). Theta-frequency modulation of the firing behaviour of perirhinal cortex neurons. Society for Neuroscience Abstracts. 23, (pp. 487). [Abstract]

Conference Contribution - Verbal presentation and other Conference outputs

Liu, P., & Bilkey, D. K. (1997). Spatial reference and working memory deficits in rats with electrolyte perirhinal cortex lesions. Verbal presentation at the 15th International Australasian Winter Conference on Brain Research, Queenstown.

Bilkey, D. K. (1997). Separating habiut from recollection in the water maze. Verbal presentation at the 15th International Australasian Winter Conference on Brain Research, Queenstown.

1996

Journal - Research Article

Matsumoto, Y., Yamada, N., Morimoto, K., Bilkey, D., & Kuroda, S. (1996). Characterization of epileptiform field potentials recorded in the in vitro perirhinal cortex of amygdala-kindled epileptogenesis. Brain Research, 741(1-2), 44-51.

Liu, P., & Bilkey, D. (1996). Long-term potentration the perirhinal-hippocampus pathway is NMDA dependent. NeuroReport, 7, 1241-1244.

Liu, P., & Bilkey, D. (1996). The direct connection between perirhinal cortex and hippocampus is a major constituent of the lateral perforant path. Hippocampus, 6, 125-134.

Bilkey, D. (1996). Long-term potentiation in the in vitro perirhinal cortex displays associative properties. Brain Research, 733, 297-300.

1995

Journal - Research Article

Wiig, K. A., & Bilkey, D. (1995). Lesions of the rat perirhinal cortex exacerbate the memory deficit observed following damage to the fimbria-formix. Behavioral Neuroscience, 109, 620-630.