Post - (especially with natural disasters Biological •...

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Post-Traumatic Stress Disorder o Definitions Exposure to life-threatening trauma during which one feels fear/helplessness/horror Common traumas: Combat, rape, car accident, natural disaster Can affect victim or witness Re-occurring nightmares, flashbacks (as if reliving the events of the trauma, seems real) Avoidance of anything that recalls the trauma Emotional numbing (feel detached) Interferes especially in relationships Experience chronic over arousal Hyper vigilant Easily startled Quick to anger To be diagnosed, must have symptoms for at least one month Acute Stress Disorder o To get around the one month borderline o Symptoms for less than one month o Can get help earlier, don’t have to wait for an entire month Lifetime prevalence 7% o Causes Trauma Severity (more severe = more likely to develop PTSD) Directness of exposure o Happened to you (more likely to get PTSD) vs. witnessing it (less likely) o How close you were to the trauma
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Unformatted text preview: (especially with natural disasters) Biological • Diathesis-Stress Model – very associated • Inherited tendency for anxiety • Chronic over arousal/stress – HPA axis, stress hormones (may damage part of the brain) Psychological • Prior experiences of unpredictable/uncontrollable events o Severe vs. moderate stressors Ex: extreme child abuse increased vulnerability to PTSD with adulthood trauma Ex: frequent moving can be protective to prevent future development of PTSD as adult bc used to stress and can handle it better Social • Protective • More social support = less likely to develop PTSD o Treatment CBT: Imaginal therapy • “relive” the trauma in a safe environment • Gradual re-exposure • Decrease intensity of emotion and desensitize to triggers • Work on correcting negative cognitions (self-blame) • Virtual reality o Re-create the trauma...
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Post - (especially with natural disasters Biological •...

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