文摘
We investigated amygdala morphology in healthy trauma-exposed individuals compared to unexposed controls. People with previous trauma exposure displayed volume increase in the left lateral amygdala compared to unexposed controls. Trauma-exposed individuals showed enhanced fear conditioning and deficient extinction, compared to healthy controls. Compared to unexposed controls, traumatized people showed salivary cortisol hypo-suppression to dexamethasone. We show multiform alterations in traumatized people which resemble symptoms of post-traumatic stress disorder and depression.