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Lecture 5

Psychology 46-228 Lecture 5: Notes on PTSD

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University of Windsor

Lecture 5 on PTSD Q12. Cued, Predisposed, Uncued  Cued: phobias; PTSD (alarm is learned and happens again; ex. someone afraid of snakes will panic when they see snakes)  Predisposed: Panic disorder  Uncued: Panic disorder (can't predict when it is going to happen)  Learned Alarm Post Traumatic Stress Disorder (PTSD)  Emotional disorder that may occur after experiencing a trauma DSM-IV "Trauma"  Criteria 1 o A. Life or safety must have been seriously threatened, serious violation  "the person experienced, witnessed, or was confronted with an event or events that involved actual or threatened death or serious injurty, or a threat to the physical integrity of self or others"  "learning about unexpected or violent death, serious harm, or threat of death or injury experienced by a family member or other close associate" o B. Subjective reaction of "fear, helplessness, or horror" at the time Symptoms of PTSD  Re-experiencing the event through intrusive thoughts, flashbacks, nightmares and/or dreams  Avoidance of stimuli associated with the trauma  Feeling emotionally numb, irritable  Increased physiological arousal resulting in exaggerated startle response and difficulty sleeping Prevalence  Trauma exposure: 50% of population  General risk PTSD: 1-14%; average 8%  At risk populations (combat, sexual abuse, rape) as high as 58% of those exposed US National Post 9/11  560 adults, national sample, 3-5 days after 9/11  44% reporting one or more "substantial symptoms of stress"  90% some stress response  Predictors of "substantial stress": o Amounts of TV coverage watched o Gender (females) o Ethnicity o Distance from NYC (closer, feel more threatened) Progression of PTSD  People who have PTSD start off with lots of symptoms  It's normal to experience some symptoms of PTSD after going through a trauma  Avoidance of their distress (interior response) Disaster type factors  Natural disaster  Human, accidental  Human, intentional (more impact on people)  highest rate of PTSD and being victimized Acute Stress Disorder  PTSD symptoms within first month of a trauma  Severe reaction  Accompanied by dissociative symptoms  Allows for treatment of unusually intense/problematic post-traumatic reactions Psychological Factors  Family instability  instills a sense that the wo
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