fifth edition National Center For PTSD Jan 2014 Post-traumatic stress symptoms symptoms National Center For PTSD Jan 2014 US Department of Veterans Affairs symptoms DSM-V PTSD American Psychiatric Association Disorder of Extreme Stress Not Otherwise Specified National Center for PTSD trauma and stressor-related disorder National Center for PTSD PTSD-Kapitel online DSM Criteria for PTSD PTSD PTSD is characterized by symptoms four types of responses to the trauma DSM-V Criteria for PTSD >> current definition Criterion A DSM-5 US Department of Veterans Affairs new criterion Diagnostic criteria for PTSD in DSM-V those of PTSD