How fear unfolds inside our brains
The stress-induced mechanisms that cause our brain to produce feelings of fear in the absence of threats -- such as in PTSD -- have been mostly a mystery. Now, neurobiologists have identified the changes in brain biochemistry and mapped the neural circuitry that cause generalized fear experiences.
http://dlvr.it/T44zb4
http://dlvr.it/T44zb4
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