Post by healthy11 on Oct 10, 2016 19:58:36 GMT -5
medicalxpress.com/news/2016-10-ptsd-brains-experts-theory.html
"For someone with PTSD, a stimulus associated with the trauma they previously experienced - such as a loud noise or a particular smell—triggers a fear response even when the context is very safe. That's why they react even if the noise came from the front door being slammed, or the smell comes from dinner being accidentally burned on the stove.
Context processing involves a brain region called the hippocampus, and its connections to two other regions called the prefrontal cortex and the amygdala. Research has shown that activity in these brain areas is disrupted in PTSD patients..."
"For someone with PTSD, a stimulus associated with the trauma they previously experienced - such as a loud noise or a particular smell—triggers a fear response even when the context is very safe. That's why they react even if the noise came from the front door being slammed, or the smell comes from dinner being accidentally burned on the stove.
Context processing involves a brain region called the hippocampus, and its connections to two other regions called the prefrontal cortex and the amygdala. Research has shown that activity in these brain areas is disrupted in PTSD patients..."