Temporal gap between visual and auditory stimuli lessen audiovisual integration in aging under cross-modal attention

Studies both on animal and human suggest temporal principle govern audiovisual integration greatly. However, its effect on audiovisual integration of elderly adults remains ambiguous. In this study, unimodal auditory (A), unimodal visual (V) or audiovisual (AV) stimulus with various temporal gap ( 0...

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Published inInternational Conference on Industrial Mechatronics and Automation (Online) pp. 511 - 516
Main Authors Yan-Na Ren, Weiping Yang, Takahashi, Satoshi, Nakahashi, Kohei, Jinglong Wu
Format Conference Proceeding
LanguageEnglish
Japanese
Published IEEE 01.08.2015
Subjects
Aging
Analysis of variance
Audiovisual integration
Cross-modal attention
Distribution functions
Multisensory
Predictive models
Senior citizens
Time factors
Visualization
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Abstract Studies both on animal and human suggest temporal principle govern audiovisual integration greatly. However, its effect on audiovisual integration of elderly adults remains ambiguous. In this study, unimodal auditory (A), unimodal visual (V) or audiovisual (AV) stimulus with various temporal gap ( 0, 100 or -100 ms) were presented randomly on the left or right hemispace when the subjects attended to both auditory and visual stimuli and were instructed to respond to target stimuli rapidly and accurately. Race modal and SPSS software were used to analyze the data. Our results demonstrated that enhanced audiovisual integration was greatest when auditory and visual stimuli presented simultaneously (P<;0.05); however, when it enlarge to 100 ms, significant enhancement disappeared. Our results confirmed that temporal gaps between visual and auditory stimuli could influence audiovisual interaction in elderly adults under cross-modal attention.
AbstractList Studies both on animal and human suggest temporal principle govern audiovisual integration greatly. However, its effect on audiovisual integration of elderly adults remains ambiguous. In this study, unimodal auditory (A), unimodal visual (V) or audiovisual (AV) stimulus with various temporal gap ( 0, 100 or -100 ms) were presented randomly on the left or right hemispace when the subjects attended to both auditory and visual stimuli and were instructed to respond to target stimuli rapidly and accurately. Race modal and SPSS software were used to analyze the data. Our results demonstrated that enhanced audiovisual integration was greatest when auditory and visual stimuli presented simultaneously (P<;0.05); however, when it enlarge to 100 ms, significant enhancement disappeared. Our results confirmed that temporal gaps between visual and auditory stimuli could influence audiovisual interaction in elderly adults under cross-modal attention.
Author Takahashi, Satoshi
Nakahashi, Kohei
Yan-Na Ren
Weiping Yang
Jinglong Wu
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  surname: Jinglong Wu
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  email: wu@mech.okayama-u.ac.jp
  organization: Grad. Sch. of Natural Sci. & Technol., Okayama Univ., Okayama, Japan
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Snippet Studies both on animal and human suggest temporal principle govern audiovisual integration greatly. However, its effect on audiovisual integration of elderly...
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StartPage 511
SubjectTerms Aging
Analysis of variance
Audiovisual integration
Cross-modal attention
Distribution functions
Multisensory
Predictive models
Senior citizens
Time factors
Visualization
Title Temporal gap between visual and auditory stimuli lessen audiovisual integration in aging under cross-modal attention
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