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Posttraumatic flashbacks, consisting of the intrusive re-experiencing of traumatic experiences in the present, have been more clearly defined for the first time in DSM-5 and have been identified as a unique symptom of posttraumatic stress disorder in the proposed ICD-11 diagnostic criteria. Relatively little research into flashbacks has been conducted, however, and new research efforts are required to understand the cognitive and biological basis of this important symptom. In addition, there is considerable scope for research into how flashbacks should be assessed and into flashbacks occurring in different contexts, such as psychosis or intensive care.
Chris R. Brewin (Tue,) studied this question.
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