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Pathological completion: The blind leading the mind?

Published online by Cambridge University Press:  01 December 1998

Robin Walker  and
Jason B. Mattingley
Robin Walker
Affiliation:
Department of Psychology, Royal Holloway, University of London, Egham, Surrey, TW20 0EX, United Kingdomrobin.walker@rhbnc.ac.uk psyserver.pc.rhbnc.ac.uk/vision/
Jason B. Mattingley
Affiliation:
Department of Psychology, Monash University, Clayton, Victoria 3168, Australiajason.mattingley@sci.monash.edu.au
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Abstract

The taxonomy proposed by Pessoa et al. should be extended to include “pathological” completion phenomena in patients with unilateral brain damage. Patients with visual field defects (hemianopias) may “complete” whole figures, while patients with parietal lobe damage may “complete” partial figures. We argue that the former may be consistent with the brain “filling-in” information, and the latter may be consistent with the brain ignoring the absence of information.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 21 , Issue 6 , December 1998 , pp. 778 - 779
Copyright
© 1998 Cambridge University Press

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