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Nat Neurosci. 2004 Jan;7(1):14-6. Epub 2003 Dec 14.

Binding personal and extrapersonal space through body shadows.

Author information

1
Dipartimento di Scienze della Cognizione e della Formazione, Università degli Studi di Trento, Via Matteo del Ben 5 (third floor), 38068 Rovereto, Italy. pavani@form.unitn.it

Abstract

Shadows in visual scenes can have profound effects on visual perception. Here we have found that visual distracters distant from the body interfere with human spatial discrimination of tactile targets at a hand, particularly when the shadow of the stimulated hand stretches toward them in extrapersonal space. These findings suggest that shadows cast by a person's own body parts can bridge the gap between personal and extrapersonal space.

PMID:
14699414
DOI:
10.1038/nn1167
[Indexed for MEDLINE]

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