For computer memory fragmentation, see Fragmentation (computing).
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Fragmentation of memory is a memory disorder where an individual is unable to associate the context of the memories to their autobiographical (episodic) memory. While the explicit facts and details of the events may be known to the person (semantic memory), the facts of the events retrieve none of the affective and somatic elements of the experience. Therefore, the emotional and personal content of the memories can't be associated with the rest of the memory.[1] Fragmentation of memory can occur for relatively recent events as well.
The impaired person usually suffers from physical damage to or underdevelopment of the hippocampus. This may be due to a genetic disorder or be the result of trauma, such as post-traumatic stress disorder.[2] Brain dysfunction often has other related consequences, such as oversensitivity to some stimuli, impulsiveness, lack of direction in life, occasional aggressiveness, a distorted perception of oneself, and impaired ability to empathize with others, which is usually masked.
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van der Kolk, Bessel A.; Fisler, Rita (1995-10-01). "Dissociation and the fragmentary nature of traumatic memories: Overview and exploratory study". Journal of Traumatic Stress. 8 (4): 505–525. doi:10.1007/BF02102887. ISSN 1573-6598.
^Rubin, D. C. (2004). "Reliving, emotions, and fragmentation in the autobiographical memories of veterans diagnosed with PTSD". Applied Cognitive Psychology. 18 (1): 17–35. CiteSeerX 10.1.1.1025.9891. doi:10.1002/acp.950.
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