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Posttraumatic Stress Disorder (PTSD) is now included in a new chapter in DSM-5 on Trauma and Stressor Related Disorders. In the DSM-IV PTSD was addressed as an Anxiety disorder.
The diagnostic criteria for the manual's next edition identify the trigger to PTSD as exposure to actual or threatened death, serious injury or sexual violation. The exposure must result from one or more of the following scenarios, in which the individual:
- - directly experiences the traumatic event;
- - witnesses the traumatic event in person;
- - learns that the traumatic event occurred to a close family member or close friend (with the actual or threatened death being either violent or accidental); or
- - experiences first-hand repeated or extreme exposure to aversive details of the traumatic event (not through media, pictures, television or movies unless work-related).
The disturbance, regardless of its trigger, causes clinically significant distress or impairment in the individual's social interactions, capacity to work or other important areas of functioning. It is not the physiological result of another medical condition, medication, drugs or alcohol.
DSM-5 pays more attention to the behavioral symptoms that accompany PTSD and proposes 4 distinct diagnostic clusters instead of 3. They are described as re-experiencing, avoidance, negative cognitions and mood and arousal.
Re-experiencing covers spontaneous memories of the traumatic event, recurrent dreams related to it, flashbacks or other intense or prolonged psychological distress. Avoidance refers to distressing memories, thoughts, feelings or external reminders of the event.
Negative cognitions and mood represents myriad feelings, from a persistent and distorted sense of blame of self or others, to estrangement from others or markedly diminished interest in activities, to an inability to remember key aspects of the event.
Finally, arousal is marked by aggressive, reckless or self-destructive behavior, sleep disturbances, hyper-vigilance or related problems. The current manual emphasizes the "flight" aspect associated with PTSD; the criteria of DSM-5 also account for the "fight" reaction often seen.
The number of symptoms that must be identified depends on the cluster. DSM-5 would only require that a disturbance continue for more than a month and would eliminate the distinction between acute and chronic phases of PTSD.
PTSD Debate within the Military
Certain military leaders, both active and retired, believe the word "disorder" makes many soldiers who are experiencing PTSD symptoms reluctant to ask for help. They have urged a change to rename the disorder posttraumatic stress injury, a description that they say is more in line with the language of troops and would reduce stigma.
But others believe it is the military environment that needs to change, not the name of the disorder, so that mental health care is more accessible and soldiers are encouraged to seek it in a timely fashion. Some attendees at the 2012 APA Annual Meeting, where this was discussed in a session, also questioned whether injury is too imprecise a word for a medical diagnosis.
In DSM-5, PTSD will continue to be identified as a disorder.