The science of fear
NOVA Presents
00:00
The Evolved Fear System
The fear system is a machine inside your head that keeps you constantly scanning the environment for danger. This fear system is localized in our brains and it has a range of physiologic and behavioral effects. To better understand all of this, I talk to someone who studies a relationship between the brain and the human mind. My name is Heather Berlin; I am a neuroscientist and clinical psychologist.
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