With the crisp October air comes haunted houses and scary movies. Some of us enjoy feeling scared, while others do not. But what if we didn't feel afraid at all when watching a scary movie? It might be hard to imagine, but this is the case for a woman called S.M.
S.M. has Urbach-Wiethe disease, a rare genetic disorder that caused damage to her amygdala. The amygdala is an almond-shaped structure located in the temporal lobe that plays a role in functions such as emotion and memory. Despite damage to her amygdala, and her resulting fear impairment, S.M. scores within the normal range on intelligence, memory, and language tests.
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