autoscopic hallucination

autoscopic hallucination
   Also referred to as external autoscopic hallucination, specular hallucination, mirror hallucination, deuteroscopic hallucination, and visual phantom double. The expression autoscopic hallucination can be traced to the Greek words autos (self) and skopeo (I am looking at). It translates roughly as 'a hallucination in which one sees oneself'. The term autoscopic hallucination was introduced in or shortly before 1891 by the French physician and mesmerist Charles Féré (1852-1907). Today it is used to denote a subclass of the group of *autoscopic phenomena characterized by the visual perception of an exact mirror image of one's physical body (also referred to as one's * double or *doppelgänger). Autoscopic hallucinations may be confined to the image of one's face or head and shoulders, but they can also consist of more or less complete bodily images. They typically manifest themselves within the central field of vision, although some cases of peripheral autoscopic hallucinations have been reported as well. The perceived location of autoscopic hallucinations tends to be contralateral to the affected hemisphere. Their perceived distance is often within or just beyond grasping distance from the hallucinator. The duration of autoscopic hallucinatory activity tends to be brief, on the order of several minutes. Autoscopic hallucinations may be preceded by * simple visual hallucinations. They are often accompanied by other types of * visual hallucina- -tions or *illusions. The term *polyopic autoscopy is used when more than one doppelgänger is perceived at the same time. In 1928, the German psy- ; chiatrist Wilhelm Mayer-Gross (1889-1961) pub- ' lished a case of polyopic autoscopy in which the affected individual described the entire room as being filled with doubles. Autoscopic hallucinations have been reported in neurological disorders (such as epilepsy, migraine, * delirium, brain tumour, ischaemia, and infection), in the context of psychiatric disorders (such as * psychotic disorders, mood disorders, anxiety disorders, and dissociative identity disorder), as well as during * hypnagogic or * hypnopompic states. In addition, a few case reports exist of autoscopic hallucinations manifesting in the hemianopic field in * hemianopia. Pathophysiologically, autoscopic hallucinations are associated with lesions or processes affecting an area at the temporo-parieto-occipital junction. Autoscopic hallucinations are sometimes classified as a variant of the group of * reduplicative hallucinations. A classic self-report on autoscopic hallucinations, as well as on personifications (i.e. *compound hallucinations depicting other human beings) can be found in the work of the German chemist Ludwig Stau-denmaier (1865-1933).
   References
   Féré, Ch. (1891). Note sur les hallucinations autoscopiques ou spéculaires et sur les hallucinations altruistes. Comptes Rendues Heb-domedaires des Séances et Mémoirs de la Société de la Biologie, 3, 451-453. Staudenmaier, L. (1912). Die Magie als experimentelle Naturwissenschaft. Leipzig: Akademische Verlagsgesellschaft. Mayer-Gross, W. (1928). Psychopathologie und Klinik der Trugwahrnehmungen.In: Handbuch der Geisteskrankheiten. Band I. Allgemeiner Teil I. Edited by Bumke, O. Berlin: Verlag von Julius Springer. Bhaskaran, R., Kumar, A., Nayar, P.C. (1990). Autoscopy in hemianopic field. Journal of Neurology, Neurosurgery and Psychiatry, 53, 10161017.
   Brugger, P., Blanke, O., Regard, M., Bradford, D.T., Landis, Th. (2006). Polyopic heau-toscopy: Case report and review of the literature. Cortex, 42, 666-674.

Dictionary of Hallucinations. . 2010.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • autoscopic phenomenon —    Also known as phantom double. The expression autoscopic phenomenon comes from the Greek words autos (self) and skopeo (I am looking at). It translates roughly as a phenomenon that involves the seeing of oneself . The group of autoscopic… …   Dictionary of Hallucinations

  • hallucination — hallucinational, hallucinative /heuh looh seuh nay tiv, neuh tiv/, adj. /heuh looh seuh nay sheuhn/, n. 1. a sensory experience of something that does not exist outside the mind, caused by various physical and mental disorders, or by reaction to… …   Universalium

  • specular hallucination —    The term specular hallucination is indebted to the Latin noun speglum, which means mirror. It was introduced in or shortly before 1891 by the French physician and mesmerist Charles Féré (1852 1907) to denote an *autoscopic hallucination… …   Dictionary of Hallucinations

  • deuteroscopic hallucination —    The term deuteroscopic hallucination is indebted to the Greek words deuteros (second) and skopeo (I am looking at). In 19th century medicine it was used as a synonym for *autoscopic hallucination. The French physician and psychologist Paul… …   Dictionary of Hallucinations

  • mirror hallucination —    see autoscopic hallucination …   Dictionary of Hallucinations

  • bereavement hallucination —    Also known as post bereavement hallucination and grief hallucination. All three terms are used to denote a heterogeneous group of * sensory deceptions occurring in the context of grief over the loss of a spouse or other loved one. As to their… …   Dictionary of Hallucinations

  • visual hallucination —    Also referred to as vision. Both terms are indebted to the Latin noun visio, which means sight. They are used to denote a hallucination of sight. Historically, visual hallucinations have been divided into a multitude of types. Using their… …   Dictionary of Hallucinations

  • autoscopy —    The term autoscopy comes from the Greek words autos (self) and skopeô (I am looking at). It translates roughly as seeing oneself and is used to denote the act of perceiving a hallucinated mirror image of oneself, viewed from the position of… …   Dictionary of Hallucinations

  • Autoscopy — This article excludes paranormal interpretations. Autoscopy is defined as an experience in which a person while believing to be awake sees her/his body and the world from a location outside her/his physical body. More precisely, autoscopy… …   Wikipedia

  • positive autoscopy —    The term positive autoscopy is indebted to the Greek words autos (self) and skopeo (I am looking at). It was introduced in or shortly before 1903 by the French physician and psychologist Paul Auguste Sollier (1861 1933). Sollier uses the… …   Dictionary of Hallucinations

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”