10 This results in the loss of memory for discrete periods of time rather than for discrete events.
#Localized amnesia full
Gabbard conceptualizes DA in the following way: “Memories of the traumatized self must be dissociated because they are inconsistent with the everyday self that appears to be in full control.” 9 Unlike repression, which can be thought of as horizontal split in the memory system, dissociation involves a vertical split.
Van der Hart described the Janetian view of dissociation as “the process and the product of psychological and somatic splitting, which result from the impact of trauma emotions.” 8 Posttraumatic amnesia can be thought of as faulty ego integrative functioning in the setting of traumatic emotions. However, it is worthwhile noting how several experts in the field conceptualize DA. 7 There is a large body of literature on peritraumatic dissociation, which is too extensive to be covered here. Recent advances in neurophysiology have clarified the process of memory from a biologic perspective, but DA also has a significant psychological component. *Except in the case of generalized amnesia, in which retrograde memory loss occurs as well
#Localized amnesia manual
Alternatively, memory deficits can result from extreme psychological stress, as seen in dissociative disorders.ĭissociative amnesia (DA) is generally considered the most common dissociative disorder 2 and is defined in the Diagnostic and Statistical Manual (Fourth Edition), Text Revision (DSM-IV-TR) as “one or more episodes of inability to recall important personal information, usually of a traumatic or stressful nature, that is too extensive to be explained by ordinary forgetfulness” ( Table 1). Loss of any of these types of memory can arise from organic damage to the neocortex, as in the case of a traumatic brain injury, a cerebral vascular accident (CVA), a space-occupying lesion, or a toxic exposure. Procedural memory is the ability to remember motor routines, such as combing one's hair. Semantic memory is knowledge about the world and memory of words, dates, and facts. 1 Episodic memory is remembering events as one would recall a movie. As defined by Tulving, humans have three major types of memory.
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