In the psychiatric literature, the phenomenon of the doppelganger or double is characterized into different types of delusional misidentification syndromes and heautoscopic symptoms. Specifically, we focus attention on heautoscopy, which might also be named "dissociative" after excluding an organic etiology. We report a case of heautoscopy in a woman and discuss the clinical variability of this psychopathological phenomenon. Furthermore, a short treatment of the historical and literary implications of this delusion is presented.
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Background: Heautoscopy refers to a pathological experience of visual reduplication of one's body with an ambiguous sense of self-location and a disturbing sensation of owning the illusory body. It has been recognized to occur in the course of strikingly diverse psychiatric and neurological disorders, such as schizophrenia, space-occupying lesions, frequently of the temporal or parietal lobes, migraine, epilepsy, and depression. The literature on the subject suffers from numerous conceptual inconsistencies, scarcity of clinical data, and a lack of theoretical integratory framework that could explain the uniqueness of these symptoms.
View Article and Find Full Text PDFHippocampal temporal-parietal junction interaction in the production of psychotic symptoms: a framework for understanding the schizophrenic syndrome.
Front Hum Neurosci
October 2012
Laboratory for Neuroscience, Department of Psychiatry, Harvard Medical School, Brockton MA, USA.
A framework is described for understanding the schizophrenic syndrome at the brain systems level. It is hypothesized that over-activation of dynamic gesture and social perceptual processes in the temporal-parietal occipital junction (TPJ), posterior superior temporal sulcus (PSTS) and surrounding regions produce the syndrome (including positive and negative symptoms, their prevalence, prodromal signs, and cognitive deficits). Hippocampal system hyper-activity and atrophy have been consistently found in schizophrenia.
View Article and Find Full Text PDF[Heautoscopy. Delusions of a double and rare hallucinations of personal gestalt].
Nervenarzt
May 2001
Zentrum für Psychiatrie, Psychotherapie und Neurologie, Rhein-Mosel-Fachklinik Andemach.
In the psychiatric literature, the phenomenon of the doppelganger or double is characterized into different types of delusional misidentification syndromes and heautoscopic symptoms. Specifically, we focus attention on heautoscopy, which might also be named "dissociative" after excluding an organic etiology. We report a case of heautoscopy in a woman and discuss the clinical variability of this psychopathological phenomenon.
View Article and Find Full Text PDFThe phenomenon of a Doppelgänger (the double autoscopy heautoscopy) and its resolution in a psychotic patient is presented. A comparison is made between this experience and the phenomenon as it is described and defined in the literature. The themes of death and disintegration so commonly associated with the Doppelgänger in folklore and literature are highlighted by this patient's experience.
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