Published online by Cambridge University Press: 27 July 2009
INTRODUCTION
We live in a world torn and scarred by violence. Globalization has increased the speed and scale of conflicts and catastrophes, but violence has been integral to the human condition from our earliest origins. We should expect, therefore, to find its traces in the design of our brains and bodies no less than in the weave of our communities.
Trauma has become a keyword through which clinicians and scholars from many disciplines approach the experience of violence and its aftermath. The metaphor of trauma draws attention to the ways that extremes of violence break bodies and minds, leaving indelible marks even after healing and recovery. But the notion of trauma has been extended to cover a vast array of situations of extremity and equally varied individual and collective responses. Trauma can be seen at once as a sociopolitical event, a psychophysiological process, a physical and emotional experience, and a narrative theme in explanations of individual and social suffering.
Within psychiatry, much recent work on the psychological impact of trauma has focused on the diagnostic construct of posttraumatic stress disorder (PTSD). The diagnostic criteria for PTSD include a history of exposure to a traumatic event and symptoms from each of three groups: intrusive recollections of the trauma event, avoidance of reminders of the event and emotional numbing, and hyperarousal (American Psychiatric Association [APA], 2000).
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