| Causality and cross-modal integration. | |
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MedLine Citation:
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PMID: 19968437 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Schutz and Lipscomb (2007) reported an audiovisual illusion in which the length of the gesture used to produce a sound altered the perception of that sound's duration. This contradicts the widely accepted claim that the auditory system generally dominates temporal tasks because of its superior temporal acuity. Here, in the first of 4 experiments, we show that impact gestures influence duration ratings of percussive but not sustained sounds. In the 2nd, we show that the illusion is present even if the percussive sound occurs up to 700 ms after the visible impact, but disappears if the percussive sound precedes the visible impact. In the 3rd experiment, we show that only the motion after the visible impact influences perceived tone duration. The 4th experiment (replacing the impact gestures with the written text long and short) suggests that the phenomenon is not due to response bias. Given that visual influence in this paradigm is dependent on the presence of an ecologically plausible audiovisual relationship, we conclude that cross-modal causality plays a key role in governing the integration of sensory information. |
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Authors:
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Michael Schutz; Michael Kubovy |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural |
Journal Detail:
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Title: Journal of experimental psychology. Human perception and performance Volume: 35 ISSN: 1939-1277 ISO Abbreviation: J Exp Psychol Hum Percept Perform Publication Date: 2009 Dec |
Date Detail:
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Created Date: 2009-12-08 Completed Date: 2010-03-01 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7502589 Medline TA: J Exp Psychol Hum Percept Perform Country: United States |
Other Details:
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Languages: eng Pagination: 1791-810 Citation Subset: IM |
Affiliation:
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Department of Psychology, University of Virginia, P.O. Box 400400, Charlottesville, VA 22904-4400, USA. schutz@mcmaster.ca |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Acoustic Stimulation Auditory Perception / physiology* Gestures Humans Illusions / physiology, psychology Photic Stimulation Psychomotor Performance / physiology* Sound Time Factors Uncertainty Visual Perception / physiology* |
| Grant Support | |
ID/Acronym/Agency:
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R01 DC 005636/DC/NIDCD NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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