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The spatial scale of perceptual memory in ambiguous figure perception

Knapen, Tomas, Brascamp, Jan, Adams, Wendy J. and Graf, Erich W. (2009) The spatial scale of perceptual memory in ambiguous figure perception Journal of Vision, 9, (13), pp. 1-12. (doi:10.1167/9.13.16).

Record type: Article


Ambiguous visual stimuli highlight the constructive nature of vision: perception alternates between two plausible interpretations of unchanging input. However, when a previously viewed ambiguous stimulus reappears, its earlier perception almost entirely determines the new interpretation; memory disambiguates the input. Here, we investigate the spatial properties of this perceptual memory, taking into account strong anisotropies in percept preference across the visual field. Countering previous findings, we show that perceptual memory is not confined to the location in which it was instilled. Rather, it spreads to noncontiguous regions of the visual field, falling off at larger distances. Furthermore, this spread of perceptual memory takes place in a frame of reference that is tied to the surface of the retina. These results place the neural locus of perceptual memory in retinotopically organized sensory cortical areas, with implications for the wider function of perceptual memory in facilitating stable vision in natural, dynamic environments

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Published date: 2009
Organisations: Cognition


Local EPrints ID: 71957
ISSN: 1534-7362
PURE UUID: 9d554a46-cf30-4e48-a0e2-7157107a3b78
ORCID for Wendy J. Adams: ORCID iD
ORCID for Erich W. Graf: ORCID iD

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Date deposited: 13 Jan 2010
Last modified: 18 Jul 2017 23:57

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Author: Tomas Knapen
Author: Jan Brascamp
Author: Wendy J. Adams ORCID iD
Author: Erich W. Graf ORCID iD

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