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date: 25 February 2021

Abstract and Keywords

Post-traumatic stress disorder (PTSD) is a mental disorder specifically linked to traumatic stress that is associated with considerable disability. PTSD has been shown to be associated with changes in brain structure and function. Brain regions affected by PTSD include the amygdala, hippocampus, and prefrontal cortex, all brain areas involved in memory as well as the stress response. Neuroimaging studies in patients with PTSD have replicated findings in animal studies by finding alterations in these brain areas. Abnormalities in these brain areas are hypothesized to underlie symptoms of PTSD.

Keywords: positron emission tomography (PET), depression, stress, post-traumatic stress disorder (PTSD)

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