How The Brain Shuts Down Motivation In Difficult Situations
April 07, 2026 | Source: Asian Scientist | by Lee Yee Ling
AsianScientist (Apr. 07, 2026)– We all know the feeling: a task clearly worth doing, yet something holds us back. For most, it’s temporary procrastination. But for those with major depressive disorder (MDD) or schizophrenia, this paralysis runs deeper—a condition called avolition, where even simple actions feel impossible. The neural mechanisms behind this collapse of motivation have remained poorly understood.
In a study published in Current Biology, researchers at Kyoto University’s Institute for the Advanced Study of Human Biology (WPI-ASHBi), led by Ken-ichi Amemori, have identified a neural pathway that acts as a brake on motivation, specifically under aversive conditions, offering new insight into how the brain suppresses action when faced with unpleasantness.
The circuit in question connects two deep-brain regions: the ventral striatum (VS), which processes motivational and emotional signals, and the ventral pallidum (VP), which helps translate motivation into goal-directed actions.