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Specific brain region linked to arousal and reactivity in PTSD

from Psych Central

A new study links over-activity in a small part of the brainstem to heightened arousal and reactivity, core symptoms of post-traumatic stress disorder. Swedish researchers discovered the PTSD symptoms were associated with excessive brain activity in the locus coeruleus, which is involved with physiological responses to stress and panic. The study appears in the journal Biological Psychiatry. more

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