Autoscopic Phenomena

Author:

Dening T. R.,Berrios G. E.

Abstract

BackgroundAutoscopy is defined here as a visual experience where the subject sees an image of him/herself in external space, viewed from within his/her own physical body. This paper reviews the literature both historically and conceptually, and includes a quantitative study of accumulated cases.MethodCases published since 1935 and meeting the above definition for autoscopy (n = 53) were included, together with three personally-observed patients. A clinical protocol was completed for each case, including information about the autoscopic image. Cases were compared using non-parametric statistics on dichotomised variables.ResultsThere were 38 men and 18 women, with a mean age of 39.5 years (range 13–78). Of the subjects, 33 (59%) had a neurological illness, most frequently epilepsy (18 cases). Right and left sided lesions were equally represented. Psychiatric disorder was often present (33 cases, 59%), most commonly delirium, depression or psychosis. The features of the images seen were diverse, but speaking images were associated with younger age, male sex, psychotic illness, longer duration of image, and hypnagogic/hypnopompic experiences.ConclusionsAutoscopy may arise from a convergence of several variables, including gender, personality factors, neurological and/or psychiatric disease, exhaustion and dissociation, whose interaction may override the normal inhibition of temporal lobe activity. A cognitive neuropsychological hypothesis is proposed, together with avenues for future research.

Publisher

Royal College of Psychiatrists

Subject

Psychiatry and Mental health

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