Part of the Developmental Psychopathology at School book series (DPS, volume 2)
According to the DSM-IV-TR, PTSD is caused by exposure to an extreme traumatic stressor. This exposure may involve directly experiencing, witnessing, or learning about a traumatic event. The types of stressors that may generate PTSD involve actual or threatened death, serious injury, and/or other perceived threats to an individual’s physical integrity (APA, 2000). Although exposure to such a stressor is necessary to the development of PTSD, it is far from sufficient (Broekman, Olff, & Boer, 2007). Clearly, all individuals exposed to an extreme traumatic stressor do not develop psychopathology (Blanchard et al., 1996; Flouri, 2005; King, Abend, & Edwards, 2001; Riggs, Rothbaum, & Foa, 1995). For example, while it has been estimated that just over 25% of children and adolescents in the general population are exposed to an extreme traumatic stressor at some point in their early lives (Costello et al., 2002), the lifetime prevalence of this disorder for children is estimated to be only...
KeywordsTraumatic Event Ptsd Symptom Traumatic Stressor Fraternal Twin Candidate Gene Study
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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