Document Detail


Audiovisual beat induction in complex auditory rhythms: Point-light figure movement as an effective visual beat.
MedLine Citation:
PMID:  24932996     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
This study investigated whether explicit beat induction in the auditory, visual, and audiovisual (bimodal) modalities aided the perception of weakly metrical auditory rhythms, and whether it reinforced attentional entrainment to the beat of these rhythms. The visual beat-inducer was a periodically bouncing point-light figure, which aimed to examine whether an observed rhythmic human movement could induce a beat that would influence auditory rhythm perception. In two tasks, participants listened to three repetitions of an auditory rhythm that were preceded and accompanied by (1) an auditory beat, (2) a bouncing point-light figure, (3) a combination of (1) and (2) synchronously, or (4) a combination of (1) and (2), with the figure moving in anti-phase to the auditory beat. Participants reproduced the auditory rhythm subsequently (Experiment 1), or detected a possible temporal change in the third repetition (Experiment 2). While an explicit beat did not improve rhythm reproduction, possibly due to the syncopated rhythms when a beat was imposed, bimodal beat induction yielded greater sensitivity to a temporal deviant in on-beat than in off-beat positions. Moreover, the beat phase of the figure movement determined where on-beat accents were perceived during bimodal induction. Results are discussed with regard to constrained beat induction in complex auditory rhythms, visual modulation of auditory beat perception, and possible mechanisms underlying the preferred visual beat consisting of rhythmic human motions.
Authors:
Yi-Huang Su
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-6-13
Journal Detail:
Title:  Acta psychologica     Volume:  151C     ISSN:  1873-6297     ISO Abbreviation:  Acta Psychol (Amst)     Publication Date:  2014 Jun 
Date Detail:
Created Date:  2014-6-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370366     Medline TA:  Acta Psychol (Amst)     Country:  -    
Other Details:
Languages:  ENG     Pagination:  40-50     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Elsevier B.V. All rights reserved.
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