Summary Post-Traumatic Stress DisorderWalden UniversityNRNP 6645-Psychotherapy with Mult Modalitie

Post-Traumatic Stress DisorderWalden UniversityNRNP 6645-Psychotherapy with Mult Modalitie Post-Traumatic Stress DisorderWalden UniversityNRNP 6645-Psychotherapy with Mult ModalitiesPost-Traumatic Stress Disorder Neurobiological Basis for PTSD Post-Traumatic Stress Disorder (PTSD) is a condition that occurs from great changes that occur in the function and structure of the brain as a result of traumatic experiences. In addition, the neurobiology of PTSD revolves around three main brain regions namely; the amygdala, hippocampus, and prefrontal cortex (Heim et al., 2020). In addition, the amygdala plays an essential role when it comes to processing emotions, in particular fear. In individuals with PTSD, the amygdala tends to show increased levels of activity which leads to increased fear responses and sensitivity to trauma-related stimuli (Heim et al., 2020). The hippocampus has the responsibility of formation of memory and contextualization of experiences. For individuals with PTSD, the hippocampus reduces in volume. The reduction leads to disturbances of the memory and chall