PSYC 3F20 Chapter 3: PTSD Abnormal Psych 2016
Document Summary
Posttraumatic stress disorder: dsm-5 diagnostic criteria (6 years & older) Duration of criteria b,c,d,e more than 1 month; clinically significant distress or impairment experienced. 61% of men, 51% of women report experiencing at least one traumatic event. Risk of ptsd following exposure to trauma is 20% for women, 8% for men. What risk and protective factors make the difference? (kessler et al. , 1995). Normal and adaptive for trauma exposure to lead to fear conditioning: true alarm response to trauma leads to learned alarm. However, biological, psychological, and social factors affect. : intensity and control of conditioned emotional response, neurobiological damage caused by stress reaction, anxiety about re-experienced thoughts, emotions, avoidance of these experiences. Ptsd: neurobiology of fear conditioning (etkin & wager, 2007; rauch et al. , 2006; thomaes et al. , 2014) In response to faces expressing negative affect, or trauma-related scripts, individuals with ptsd shows: increased amygdala activity, reduced prefrontal cortex activity.
