| Influence of parallel and orthogonal real lines on illusory contour perception. | |
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MedLine Citation:
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PMID: 19864444 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Real lines and illusory contours (ICs) have been reported to either interfere with or facilitate the perception of the other, depending on real line orientation and contrast. Here we investigate contextual effects of real lines on illusory contour perception. Curvature discrimination thresholds of Kanizsa-contours were measured for superimposed real lines of different sub- and suprathreshold contrasts. We find that parallel lines interfere with curvature discrimination at suprathreshold, whereas orthogonal lines interfere at subthreshold contrasts. We did not find stable facilitating effects of lines in any orientation or contrast. These results are discussed in relation to existing physiological and imaging data. |
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Authors:
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Barbara Dillenburger; Anna W Roe |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't Date: 2009-10-28 |
Journal Detail:
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Title: Journal of neurophysiology Volume: 103 ISSN: 1522-1598 ISO Abbreviation: J. Neurophysiol. Publication Date: 2010 Jan |
Date Detail:
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Created Date: 2010-01-12 Completed Date: 2010-03-30 Revised Date: 2011-07-19 |
Medline Journal Info:
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Nlm Unique ID: 0375404 Medline TA: J Neurophysiol Country: United States |
Other Details:
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Languages: eng Pagination: 55-64 Citation Subset: IM |
Affiliation:
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Institute of Imaging Science, Department of Psychology, Vanderbilt University, Medical Center North, 1161 21st Ave. S., Nashville, TN 37232-2310, USA. barbara.dillenburger@vanderbilt.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Female Humans Illusions* Photic Stimulation Psychophysics Signal Detection, Psychological Visual Perception* Young Adult |
| Grant Support | |
ID/Acronym/Agency:
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EY11744/EY/NEI NIH HHS; P30EY008126/EY/NEI NIH HHS |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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