| Auditory temporal modulation of the visual Ternus effect: the influence of time interval. | |
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MedLine Citation:
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PMID: 20473749 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Research on multisensory interactions has shown that the perceived timing of a visual event can be captured by a temporally proximal sound. This effect has been termed 'temporal ventriloquism effect.' Using the Ternus display, we systematically investigated how auditory configurations modulate the visual apparent-motion percepts. The Ternus display involves a multielement stimulus that can induce either of two different percepts of apparent motion: 'element motion' or 'group motion'. We found that two sounds presented in temporal proximity to, or synchronously with, the two visual frames, respectively, can shift the transitional threshold for visual apparent motion (Experiments 1 and 3). However, such effects were not evident with single-sound configurations (Experiment 2). A further experiment (Experiment 4) provided evidence that time interval information is an important factor for crossmodal interaction of audiovisual Ternus effect. The auditory interval was perceived as longer than the same physical visual interval in the sub-second range. Furthermore, the perceived audiovisual interval could be predicted by optimal integration of the visual and auditory intervals. |
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Authors:
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Zhuanghua Shi; Lihan Chen; Hermann J Müller |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-05-16 |
Journal Detail:
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Title: Experimental brain research. Experimentelle Hirnforschung. Expérimentation cérébrale Volume: 203 ISSN: 1432-1106 ISO Abbreviation: Exp Brain Res Publication Date: 2010 Jun |
Date Detail:
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Created Date: 2010-06-03 Completed Date: 2010-09-03 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0043312 Medline TA: Exp Brain Res Country: Germany |
Other Details:
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Languages: eng Pagination: 723-35 Citation Subset: IM |
Affiliation:
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Department Psychologie, Ludwig-Maximilians-Universität München, Leopoldstrasse 13, 80802, Munich, Germany. shi@psy.lmu.de |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acoustic Stimulation
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methods Adult Analysis of Variance Auditory Perception / physiology* Female Humans Illusions / physiology* Judgment / physiology Male Motion Perception / physiology* Photic Stimulation / methods Psychometrics Reaction Time / physiology Sensory Thresholds / physiology Sound Time Factors Young Adult |
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