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| Research article summary (published 30 Aug 2002): |
Neural adjustments to image blur.
Full Abstract
Blur is an intrinsic feature of retinal images that varies widely across images and observers, yet the world still typically appears 'in focus'. Here we examine the putative role of neural adaptation in the human perception of image focus by measuring how blur judgments depended on the state of adaptation. Exposure to unfocused images has previously been shown to influence acuity and contrast sensitivity, and here we show that adaptation can also profoundly affect the actual perception of image focus.
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Author information
Author/s: Webster, Michael A (MA); Georgeson, Mark A (MA); Webster, Shernaaz M (SM);
Affiliation: Department of Psychology, University of Nevada, Reno, Nevada 89557, USA. mwebster(-atsign-)unr.nevada.edu
Grants: EY10834 (Agency:United States NEI)
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.
Journal: Nature neuroscience (Nat Neurosci), published in United States. (Language: eng)
Reference: 2002-Sep; vol 5 (issue 9) : pp 839-40
Dates: Created 2002/08/28; Completed 2002/09/27; Revised 2007/11/14;
PMID: 12195427, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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