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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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- Spring '08
- Stress, Psychological trauma