Yukihito Yomogida

The paper investigates how task difficulty and reward affect task enjoyment and striatal activation, finding intrinsic motivation for near-impossible tasks without extrinsic rewards.

This study identifies a negative bias in facial expression recognition in MDD patients and suggests the cerebellum modulates this bias through altered neural activity.

This study develops a method to compare interpersonal utility using neural activity, finding that brain signals correlate with expected utility and validate an optimal decision rule for well-being aggregation.