When one could lead a positive outcome but actually she/he fails it and encounters a negative outcome, "regret," a kind of negative feeling occurs on the basis of the fictive positive outcome. If an opponent receives the positive outcome at that time, "envy," a negative social emotion rises. To develop cooperative society by overriding envy, positive feelings from equality between self and others should have been evolved. The goal of this workshop is to find a new view about evolution of social cognitive ability on the basis of recent findings about neural coding of fictive outcomes, outcomes to others, and equality between self and others in the prefrontal cortex, which will provide a new trend in neuroethology. (by Kenji Matsumoto, organizer of this workshop)

Speakers and Talk Titles

9:20-10:00  Hiroshi Abe (National Center of Neurology and Psychiatry)

    “Fictive outcomes and the primate prefrontal cortex during an iterative competitive game”

10:00-10:40 Michael Platt (Duke University)

    “Reference Frames for Social Decisions in the Primate Brain”

10:40-11:20 Ryuta Aoki (Japan Society for Promotion of Science)

    “How the brain codes social equality in the number of choice options”

11:20-12:00 Shinya Yamamoto (Kobe University)

    “Chimpanzees' sensitivity to other's outcomes and the evolution of cognition on altruism and reciprocity”