Other Definitions
dissociation (dict)
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Dissociation - This article is about dissociation in psychology and psychiatry. For dissociation of molecules and salts in chemistry see: Dissociation (chemistry).
Dissociation is a psychological state or condition in which certain thoughts, emotions, sensations, or memories are separated from the rest of the psyche. The French psychiatrist Pierre Janet (1859-1947) coined the term in his book L'Automatisme psychologique; he emphasized its role as a defensive maneuver in response to psychological trauma. While he considered dissociation an initially effective defense mechanism that withdraws the individual psychologically from the impact of overwhelming traumatic events, a habitual tendency to dissociate would, however, promote psychopathology. The Diagnostic and Statistical Manual of Mental Disorders considers symptoms such as depersonalization, derealization, and psychogenic amnesia as core features of dissociation. However, in the normal population mild dissociative experiences are highly prevalent, with 80% to 90% of the respondents indicating that they experience dissociative experiences at least some of the time. See also
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