| Duration illusions in a train of visual stimuli. | |
MedLine Citation:
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PMID: 8577576 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The first stimulus in a sequential train of identical flashes of light appears to last longer than those in the middle of the train. Four flashes (each 600 or 667 ms) were presented and the first was shortened until it appeared to have the same duration as that of the next. The duration of the first stimulus was found to be overestimated by about 50%. The illusion was unaffected by stimulus contrast, size, or interflash interval (between 100 and 600 ms). For some subjects, the last stimulus in the train also appeared to be about 50% longer than the penultimate flash. The results are discussed in terms of theories of how attention, arousal, and stimulus processing can affect duration perception. The mechanisms activated are peculiar to the visual system, since no similar illusion of duration was consistently experienced with a train of auditory tones. |
Authors:
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D Rose; J Summers |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Perception Volume: 24 ISSN: 0301-0066 ISO Abbreviation: Perception Publication Date: 1995 |
Date Detail:
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Created Date: 1996-03-13 Completed Date: 1996-03-13 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0372307 Medline TA: Perception Country: ENGLAND |
Other Details:
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Languages: eng Pagination: 1177-87 Citation Subset: IM |
Affiliation:
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Department of Psychology, University of Surrey, Guildford, UK. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Humans Optical Illusions* Visual Perception* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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