Research theme for competitive and other funds (34)：
2016 - 2019 Microbiota as a trigger factor for narcolepsy
2014 - 2017 Brain mechanisms of internal thought processes during the resting period investigated by examining neural and neurochemical activities
2013 - 2017 Neuronal regulation from default mode network to cognitive control network
2012 - 2017 Brain mechanisms behind executive function: Uncovering operating principles of the mind by applying innovative techniques to the structural and functional organizations of neural circuits
2010 - 2016 Unveiling social brain by analyzing prefrontal brain network: applying methodology from microelectrode to fMRI
2012 - 2014 The source of Intellectual activity-Neural basis of Default activity
2010 - 2012 Phisiopsychological studies on the function and mechanisms of intrinsic, learned and physiological reward
2010 - 2011 個体間コミュニケーションとしてのサルの競争行動とそれを支える脳活動
2010 - 2011 "Prisoner's dilemma game" in Japanese monkeys and its neural correlates.
2007 - 2009 Psychophysiological studies on patience behavior
2005 - 2009 Functional connectivity and relationship among reward-related and reward expectancy-related brain areas in goal-directed behavior
2004 - 2006 Neuronal mechanisms regarding the roles of motivation and emotion on decision making.
2001 - 2003 Integration of cognitive and motivational information for decision making psychophysiological studies
2000 - 2000 目標志向行動における異種情報の統合に果たす前頭連合野の役割
1998 - 2000 Psychophysiological study on how expectancy is acquired and modified
1999 - 1999 強化と予測に果たす前頭連合野の役割
1998 - 1998 強化と予測に果たす前頭連合野の役割
1997 - 1998 「反応抑制」に関する前頭連合野の役割
1997 - 1997 ワ-キングメモリの脳内機構に関する総合的研究
1997 - 1997 強化と予測に果たす前頭連合野の役割
1996 - 1997 Psychophysiological study of "expectancy" and "cognitive map"
1996 - 1996 強化と予測に果たす前頭連合野の役割
1995 - 1995 サル前頭連合野における学習に伴う神経回路の機能再編成に関する基礎的研究
1994 - 1995 Psychophisiological study of the working memory in relation to parallel processing
1994 - 1994 サル前頭連合野における学習に伴う神経回路の機能的再編成に関する基礎的研究
1993 - 1993 表象過程に関する生理心理学的研究
1993 - 1993 サル前頭連合野における学習に伴う神経回路の機能的再編成に関する基礎的研究
1992 - 1992 「期待」過程と「期待と実際の一致度の認知」に関する生理心理学的研究
1990 - 1991 Psychophysiological effects of unperceivable stimuli
1987 - 1988 Psychophysiological study of the memory and consciousness
1986 - 1988 Physiological basis of recognition
1985 - 1986 Research on the physiological mechanisms of 'recognition'
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Papers (21)：
Tohru Kodama, Takashi Kojima, Yoshiko Honda, Takayuki Hosokawa, Ken-ichiro Tsutsui, Masataka Watanabe. Oral Administration of Methylphenidate (Ritalin) Affects Dopamine Release Differentially Between the Prefrontal Cortex and Striatum: A Microdialysis Study in the Monkey. JOURNAL OF NEUROSCIENCE. 2017. 37. 9. 2387-2394
Takayuki Hosokawa, Masataka Watanabe. Prefrontal Neurons Represent Winning and Losing during Competitive Video Shooting Games between Monkeys. JOURNAL OF NEUROSCIENCE. 2012. 32. 22. 7662-7671
