<prompt> Which of the following is NOT a clinical feature of post - traumatic stress disorder PTSD?FlashbacksHyperarousalHallucinationsEmotional numbing  <response>: Clinical features of PTS :Hyperarousal : Anxiety, irritability, insomnia, poor concentration, hypervigilance.Intrusions : Re-experience of a traumatic event in distressing thought, or dream nightmares, flashbacks.Avoidance : Avoidance of stimulus thoughts, activities that arouse recollection of trauma.Other : Emotional numbing, emotional detachment, the absence of emotional responsiveness anhedonia, derealization, depersonalization, depression hopelessness, guilt or shame or self - blame, dissociative amnesa. 