From: BBC
The Rare Disease That Stops People From Feeling Fear
September 30, 2025
Imagine jumping out of an aeroplane and feeling nothing. No rush of adrenaline, or quickening heartbeat.
…
“In that situation, SM and other individuals with amygdala damage will go nose-to-nose with relatively unfamiliar experimenters, which is something that healthy control participants with an intact amygdala would essentially never do,” says Alexander Shackman, professor of psychology at the University of Maryland, US.
The finding suggests that the amygdala may play a role in organising how we respond to the social world.
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