Individuals with fear of other persons' laughter (gelotophobia), healthy controls.
Prefrontal–posterior coupling during processing of other people's affect expressions.
Gelotophobia: diminished coupling while processing expressions of anger/aggression.
Gelotophobia: unprotected from becoming affected by signals of anger/aggression.
Gelotophobia with/without schizophrenia spectrum/social phobia: no differences.