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dissociative disorders (1).docx
dissociative disorders (1).docx

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McMaster University
Richard B Day

November 2 , 2012 Psych 2AP3: Abnormal Psychology – Major Disorders Dissociative Disorders (1) Dissociative Disorders - all of these disorders have dissociation in common: separation of some subset of mental elements from normal consciousness making them inaccessible to our normal consciousness - alteration in ones sense of personal identity - issue: main controversy is whether it actually exists or not - conceptualized as adaptations, psychological processes designed to help us function in the world around us Dissociative Disorders in DSM-IV - dissociative amnesia: not remembering part of the past - dissociative fugue: forgets part of his or her past and then wanders off - dissociative identity disorder - depersonalization disorder - dissociative disorder not otherwise specified (NOS) - all seem to recall the inability to recall certain events in one’s life such as severe trauma - forget strongly negative emotions attached to certain situations - nostalgia: look back on the past as a time of great joy DSM-IV Criteria for DID - two or more personality states, each with its own pattern of perceiving, relating to, and thinking about the environment and self: personality states because there is not room in the mind for full personalities in the mind, fragments of a single individual - two or more of these states periodically take control of the person’s behaviour - forgetting of important personal information extensive for ordinary forgetfulness: subjective judgment - not due to a substance, neurological or medical condition, or (in children) to imaginary playmates or fantasy play History of DID/MPD - only 77 cases between 1791and 1962 around the world: extremely rare diagnosis - “three faces of eve” (1957) Thigpen & Cleckley  case study they were familiar with  25 years late, no additional case seen  individual with 3 distinct personalities - 8 DID cases in 1944-70; 36 from 1970-79 - 100 DID c
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