Presentation | 2014-12-02 Inter-intra modal perceptual grouping can alter the perceived duration of visual stimuli Riku ASAOKA, Jiro GYOBA, |
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Abstract(in English) | Previous studies showed that the perceived duration of visual stimuli could be strongly influenced by auditory stimuli presented simultaneously. The present study examined the effects of the sounds that were not simultaneously presented with visual stimuli on visual time perception. In Experimentl, the participants were presented by either only a visual stimulus or one sandwiched by two task irrelevant auditory stimuli, and asked to classify the presentation duration of the visual stimuli into four categories. As a result, two outer sounds were shown to lengthen and shorten the perceived duration, depending on interval between the both stimuli. In Experiment 2, in order to investigate the effects of auditory grouping on these lengthening and shortening effects, three sounds were presented before and after the visual stimulus. The results indicated that auditory grouping could diminish or reduce the effects lengthening and shortening visual durations by sounds. Taken together, these findings suggest that the distortion of visual time perception by sounds can be induced by audio-visual integration, and that intra-inter modal perceptual grouping is an important factor that can alter time perception. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | Time perception / Audio-visual interaction / Perceptual grouping |
Paper # | HIP2014-75 |
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Committee | HIP |
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Conference Date | 2014/11/24(1days) |
Place (in Japanese) | (See Japanese page) |
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Registration To | Human Information Processing (HIP) |
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Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | Inter-intra modal perceptual grouping can alter the perceived duration of visual stimuli |
Sub Title (in English) | |
Keyword(1) | Time perception |
Keyword(2) | Audio-visual interaction |
Keyword(3) | Perceptual grouping |
1st Author's Name | Riku ASAOKA |
1st Author's Affiliation | Graduate School of Arts and Letters, Tohoku University() |
2nd Author's Name | Jiro GYOBA |
2nd Author's Affiliation | Graduate School of Arts and Letters, Tohoku University |
Date | 2014-12-02 |
Paper # | HIP2014-75 |
Volume (vol) | vol.114 |
Number (no) | 347 |
Page | pp.pp.- |
#Pages | 6 |
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