Advertisements

We're a little crazy, about science!

Archive for January 19, 2015

Fear, PTSD, and newly found neural circuits in the brain

anxiety disorder

People with anxiety disorders, such as post traumatic stress disorder (PTSD), often experience prolonged and exaggerated fearfulness. Now, an animal study suggests that this might involve disruption of a gradual shifting of brain circuitry for retrieving fear memories. Researchers have discovered in rats that an old fear memory is recalled by a separate brain pathway from the one originally used to recall it when it was fresh.

(more…)

Advertisements