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[Hypnogogic hallucinations of macrosomatognosia and microsomatognosia].

K Podoll, V Mühlbauer, I Houben, H Ebel

Fortschritte der Neurologie · Psychiatrie August 1998 DOI: 10.1055/s-2007-995271 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Case study and literature review Case report Peer reviewed
Sample size 5
Population Individuals experiencing macrosomatognosia or microsomatognosia as hypnagogic hallucinations
Key findings Macrosomatognosia and microsomatognosia can occur as hypnagogic hallucinations in healthy subjects, frequently affecting the mouth and hands, and should be differentiated from narcolepsy, epileptic and migraine aura, drug-induced body schema disturbances, and basic symptoms of functional psychoses.

Abstract

Macrosomatognosia and microsomatognosia, in which the entire body or parts of the body are perceived as abnormally large or small, can occur as hypnagogic hallucinations in sane and healthy subjects. A review of the literature and five original observations are presented. The mouth and the hands are anatomic regions which are frequently affected, paralleling the dominance of their representation in the sensory maps of the human brain. The clinical differential diagnosis of the said phenomena includes narcolepsy, epileptic and migraine aura, drug-induced body schema disturbances and basic symptoms of functional psychoses.