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Case Reports
Disownership of left hand and objects related to it in a patient with right brain damage.
- S Aglioti, N Smania, M Manfredi, and G Berlucchi.
- Dipartimento di Scienze Neurologiche e della Visione, Sezione Fisiologia Umana, Verona, Italy.
- Neuroreport. 1996 Dec 20; 8 (1): 293-6.
AbstractWe describe a woman with right brain damage who denied the ownership of her left hand and of extracorporeal objects (e.g. rings) which were worn on the left hand itself. When the same objects were worn on the right hand or were held by the examiner, the patient correctly recognized them as her own. Other personal objects unrelated to the left hand (e.g. pins, earrings, comb) were always correctly recognized as her own. Thus, by inference, the mental image of one's body may include inanimate objects which had been in contact or in close proximity with the body itself. These findings provide, for the first time, experimental support to the speculative notion of an extended body schema.
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