The effects of auditory information on four-month-old infants' perception of trajectory continuity

Young infants perceive an object's trajectory as continuous across occlusion provided the temporal or spatial gap in perception is small. In three experiments involving seventy-two participants the authors investigated the effects of different forms of auditory information on four-month-olds�...

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Bibliographic Details
Published inChild development Vol. 83; no. 3; pp. 954 - 964
Main Authors Spring, Jo, Bremner, J Gavin, Slater, Alan M, Johnson, Scott P, Mason, Uschi C
Format Journal Article
LanguageEnglish
Published 01.05.2012
Subjects
Auditory information
Child development
Hearing
Infants
Information processing
Perception
Trajectory continuity
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Summary:Young infants perceive an object's trajectory as continuous across occlusion provided the temporal or spatial gap in perception is small. In three experiments involving seventy-two participants the authors investigated the effects of different forms of auditory information on four-month-olds' perception of trajectory continuity. Provision of dynamic auditory information about the object's trajectory enhanced perception of trajectory continuity. However, a smaller positive effect was also obtained when the sound was continuous but provided no information about the object's location. Finally, providing discontinuous auditory information or auditory information that was dislocated relative to vision had negative effects on trajectory perception. These results are discussed relative to the intersensory redundancy hypothesis and emphasize the need to take an intersensory approach to infant perception. Reprinted by permission of the University of Chicago Press. © All rights reserved
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ISSN:0009-3920
DOI:10.1111/j.1467-8624.2012.01739.x