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Child Dev. 2011 Jul-Aug;82(4):1210-23. doi: 10.1111/j.1467-8624.2011.01593.x. Epub 2011 May 5.

Two- to eight-month-old infants' perception of dynamic auditory-visual spatial colocation.

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1
Psychology Department, Centre for Research in Human Development, Lancaster University, UK. j.g.bremner@lancaster.ac.uk

Abstract

From birth, infants detect associations between the locations of static visual objects and sounds they emit, but there is limited evidence regarding their sensitivity to the dynamic equivalent when a sound-emitting object moves. In 4 experiments involving thirty-six 2-month-olds, forty-eight 5-month-olds, and forty-eight 8-month-olds, we investigated infants' ability to process this form of spatial colocation. Whereas there was no evidence of spontaneous sensitivity, all age groups detected a dynamic colocation during habituation and looked longer at test trials in which sound and sight were dislocated. Only 2-month-olds showed clear sensitivity to the dislocation relation, although 8-month-olds did so following additional habituation. These results are discussed relative to the intersensory redundancy hypothesis and work suggesting increasing specificity in processing with age.

PMID:
21545580
PMCID:
PMC3134617
DOI:
10.1111/j.1467-8624.2011.01593.x
[Indexed for MEDLINE]
Free PMC Article
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