• Behavioral neuroscience and behavioral pharmacological studies on the role of hippocampus and related brain areas in spatial memory and working memory
• Study on the spontaneous object recognition and object place recognition memory, and behavioral study on the hippocampal function using these tests　
• Study on the behavioral deficits produced by neonatal glutamatergic NMDA receptor blockade　

• Haijima, A. &Ichitani, Y. (2012)  Dissociable anterograde amnesic effects of retrosplenial cortex and hippocampal lesions on spontaneous object recognition memory in rats. Hippocampus, 22:1868-1875. 
• Sugita, M., Yamada, K. & Ichitani, Y. (2013) Effects of number of items and interval length on the acquisition of temporal order discrimination in radial maze in rats. Learning & Memory, 20: 125-129.
• Niikura, R., Nozawa, T., Yamada, K., Kato, K. & Ichitani, Y. (2015)  Latent inhibition in rats neonatally treated chronically with MK-801: Differential effects on conditioned taste aversion and conditioned emotional response. Behavioural Brain Research, 283: 102-107.
• Furuie, H., Yamada, K. & Ichitani, Y. (2016) Chronic NMDA receptor blockade in early postnatal period, but not in adulthood, impairs methamphetamine-induced conditioned place preference in rats. Behavioural Brain Research, 301: 253-257.
• Iwamura, E., Yamada, K. & Ichitani, Y. (2016) Involvement of hippocampal NMDA receptors in retrieval of spontaneous object recognition memory in rats. Behavioural Brain Research, 307: 92-99.
• Ozawa, T., Yamada, K. & Ichitani, Y. (2017) Differential requirements of hippocampal de novoprotein and mRNA synthesis in two long-term spatial memory tests: spontaneous place recognition and delay-interposed radial maze performance in rats. PLOS ONE, 12(2): e0171629.
• Yamada, K., Arai, M., Suenaga, T. & Ichitani, Y. (2017)  Involvement of hippocampal NMDA receptors in encoding and consolidation, but not retrieval, processes of spontaneous object location memory in rats. Behavioural Brain Research, 331: 14-19.
• Hatakeyama, T., Sugita, M., Yamada, K. & Ichitani, Y. (2018)Temporal order memory of the rat in spontaneous object recognition: effects of number of items, exposure interval, and retention time. Learning & Memory, 25: 574-579.

Japanese Psychological Association
Japanese Society for Animal Psychology
Japanese Society for Physiological Psychology and Psychophysiology
Japanese Society of Neuropsychopharmacology

Tsukuba Brain Science Association (TBSA), management committee member

Japanese Union of Psychological Associations, member

http://www.kansei.tsukuba.ac.jp/~ichitanilab/