Effects of multisensory stimulation on infants' learning of object pattern and trajectory.

Child Dev

Centre for Developmental Science, School of Psychology, University of Birmingham, Birmingham, UK.

Published: November 2024

This study investigated whether infants encode better the features of a briefly occluded object if its movements are specified simultaneously by vision and audition than if they are not (data collected: 2017-2019). Experiment 1 showed that 10-month-old infants (N = 39, 22 females, White-English) notice changes in the visual pattern on the object irrespective of the stimulation received (spatiotemporally congruent audio-visual stimulation, incongruent stimulation, or visual-only;  = .53). Experiment 2 (N = 72, 36 female) found similar results in 6-month-olds (Test Block 1,  = .13), but not 4-month-olds. Experiment 3 replicated this finding with another group of 6-month-olds (N = 42, 21 females) and showed that congruent stimulation enables infants to detect changes in object trajectory (d = 0.56) in addition to object pattern (d = 1.15), whereas incongruent stimulation hinders performance.

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http://dx.doi.org/10.1111/cdev.14147DOI Listing

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