Memory For Murder A Psychological Perspective On Dissociative Amnesia In Legal Contexts

Mental health professionals and legal decision-makers often hear reports of memory impairment from both perpetrators of extreme violence such as homicide (e.g., Kopelman, 1995; Roesch & Golding, 1986; Schacter, 1986a), and from complainants and eyewitnesses (e.g., Loftus, 1993). Adult complainants, for example, have testified about their recovery of repressed memories for a violent incident(s) following a lengthy period of amnesia (e.g., Loftus, 1997; Porter, Yuille, & Lehman, 1999). Although these two types of cases differ in the timing of the memory loss (current vs. historical), both require a consideration of the validity of dissociative amnesia. Dissociative amnesia refers to amnesia for a traumatic (and, in this context, criminal) experience which has a psychological origin. Whereas dissociative amnesia refers to a process of forgetting following a traumatic experience, a dissociative state refers to an altered state of consciousness occurring during a traumatic experience. Dissociation is the more general term referring to the separation..

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