2. Chapter 7: Obsessive-Compulsive- Related and Trauma-Related Disorders Criteria for Obsessive-Compulsive Disorder clarified Hoarding Disorder added to the Obsessive-Compulsive-Related Disorders Chapter Criteria for diagnosis of Hoarding Disorder clarified Criteria for PTSD and ASD clarified

3. Obsessive-Compulsive Disorder Diagnostic Criteria Obsessions or Compulsions Obsessions are defined by recurrent, persistent, intrusive, unwanted thoughts, urges or images. The person attempts to ignore, suppress or neutralize the thoughts, words, or images. Compulsions are defined by Repetitive behaviors or thoughts that the person feels compelled to perform to prevent distress or a dreaded event. The person feels driven to perform the repetitive behaviors or thoughts in response to obsessions or according to rigid rules. The obsessions or compulsions are time consuming (e.g. at least one hour per day) Or cause clinically significant distress or impairment Note: Italics reflect changes introduced in DSM-5. DSM-IV-TR includes the criterion that the person understands that the compulsions are excessive and will not prevent the dreaded events.

4. Hoarding Disorder Criteria clarified Persistent difficulty discarding or parting with possessions, regardless of their actual value Perceived need to save items Distress associated with discarding The symptoms result in the accumulation of a large number of possessions that clutter active living spaces of the home or workplace to the extent that their intended use is compromised unless others intervene

5. Posttraumatic Stress Disorder Proposed DSM-5 Criteria for Posttraumatic Stress Disorder Note: Changes from DSM-IV-TR criteria are noted in italics. DSM-IV-TR criteria specify that the person’s response to the initial trauma involved intense fear, helplessness, or horror. Criterion D is new to DSM- 5; the numbing symptoms noted in this category were formerly considered as evidence of avoidance. A. The person was exposed to death or threatened death, serious injury, or actual or threatened sexual violence, in one or more of the following ways: experiencing the event personally, witnessing the event in person, learning that a violent or accidental death or threat of death occurred to a close other, or experiencing repeated or extreme exposure to aversive details of the event(s) other than through media reports. B. At least 1 of the following intrusion symptoms: Recurrent, involuntary, and intrusive distressing memories of the trauma, or in children, repetitive play regarding the trauma themes Recurrent distressing dreams related to the event(s) Dissociative reactions (e.g., flashbacks) in which the individual feels or acts as if the trauma(s) were recurring, or in children repeated re-enactment of the trauma during play Intense or prolonged distress or physiological reactivity in response to reminders of the trauma(s) C. At least 1 of the following avoidance symptoms: Avoids internal reminders of the trauma(s) Avoids external reminders of the trauma(s)

6. Post-Traumatic Stress Disorder D. At least 2 of the following negative alterations in cognitions and mood Inability to remember an important aspect of the trauma(s) Persistent and exaggerated negative beliefs or expectations about one’s self, others, or the world Persistently excessive blame of self or others about the trauma(s) Persistent negative emotional state, or in children younger than 7, more frequent negative emotions Markedly diminished interest or participation in significant activities Feeling of detachment or estrangement from others, or in children younger than 7, social withdrawal Persistent inability to experience positive emotions E. At least 2 of the following alterations in arousal and reactivity Irritable or aggressive behavior Reckless or self-destructive behavior Hypervigilance Exaggerated startle response Problems with concentration Sleep disturbance F. The symptoms began or worsened after the trauma and continued for at least 1 month G. Among children younger than 7, only 1 symptom from either category C or D must be present for diagnosis

7. Acute Stress Disorder* A. Exposure to actual or threatened death, serious injury, or sexual violation, in one or more of the following ways: experiencing the event personally, witnessing the event, learning that a violent or accidental death or threat of death occurred to a close other, or experiencing repeated or extreme exposure to aversive details of the event(s) other than through media exposure. B. At least eight of the following symptoms began or worsened since the trauma and lasted 3 to 31 days: Recurrent, involuntary, and intrusive distressing memories of the traumatic event, or in children, repetitive play involving aspects of the traumatic event Recurrent distressing dreams related to the traumatic event Dissociative reactions (e.g., flashbacks) in which the individual feels or acts as if the traumatic event were recurring, or in children, re-enactment of trauma during play Intense or prolonged psychological distress or physiological reactivity at exposure to reminders of the traumatic event Persistent inability to experience positive events Altered sense of the reality of one’s surroundings or oneself (e.g., seeing oneself from another’s perspective, being in a daze) Inability to remember an important aspect of the traumatic event Avoids internal reminders of the trauma(s) Avoids external reminders of the trauma(s) Sleep disturbance Hypervigilance Irritable or aggressive behavior Exaggerated startle response Agitation or restlessness Problems with concentration * Editor, note italics here, not in updates, may need updating in the text or it is possible I’ve misunderstood and they shouldn’t be on this slide.