Powerful support for an amygdaloid role in fear processing comes from post-traumatic stress disorder {PTSD}. In PTSD sufferers the amygdala is overreactive to mildly fearful stimuli and is slow in calming down after being activated.13 Moreover, the amygdala expands in size with long-term PTSD.
( Robert M. Sapolsky )
[ Behave: The Biology of Humans ]
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