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Query: UMLS:C0011551 (depersonalization)
 1,117 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Depersonalization after brain damage is still only rarely reported and poorly understood. We describe three patients between the ages of 21 and 25 who experienced depersonalization and derealization for periods of 6 weeks to 4 months, two after traumatic brain injury, the third after surgical and radiation treatment of a pineocytoma. Each one believed to be living in a nightmare and thought about committing suicide in order to wake up. One patient developed symptoms as described in Cotard delusion. Aspects of neuroanatomy, psychodynamics, and anthropology are discussed with reference to the literature. Frontal and temporal lesions seem only to play a facilitating role but not to be a necessary condition. There is evidence for additional influence of psychological and premorbid personality factors. Summarizing the current state of information we consider depersonalization with the experience of being in a dream or being dead as a heuristic reaction to brain damage. Similar models have already been discussed in neuropsychological disorders as for instance reduplicative paramnesias, neglect, and anosognosia.
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PMID:[Depersonalization syndrome after acquired brain damage. Overview based on 3 case reports and the literature and discussion of etiological models]. 988 47

To study self-consciousness changes in initial, manifesting and final stages of acute alcoholic hallucinosis, 60 patients have been examined. In 51 of them, the disease developed on the background of pseudo-dipsomania or constant hard drinking and in 9--of abstinent state. Initial stage of acute alcoholic hallucinosis was characterized by negative type of self-consciousness reaction. In manifesting stage the following variants of self-consciousness were detected: disturbation (vital, somatophysical, autopsychic), suppression (harmonic, dissociated), depersonalization and hyperactivity. In final stage, there were disactualization, nosognosia (adequate-, hypo- and hypernosognosia, anosognosia), partial and total reintegration of self-consciousness. These disorders of self-consciousness appear to be of prognostic and diagnostic value.
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PMID:[Psychopathology of self-consciousness in acute alcoholic hallucinosis]. 1579 39