Development of Multimodal Processing in Infancy
Faraz Farzin1, Eric P Charles1, Susan M Rivera1
1Department of Psychology University of California, Davis.
Abstract:
A number of studies have investigated infants' abilities to extract and discriminate number from multimodal events. These results have been mixed for several possible reasons, including aspects of the experimental design that provide perceptual cues that are unrelated to number, and are known to influence looking preferences. This experiment used a preferential looking paradigm to investigate whether 6- to 9-month-old infants can extract the amodal property of number from an arbitrarily related multimodal event sequence when nonnumerical confounds are removed. Results demonstrate that female infants discriminate number from a multimodal presentation by 6 months, whereas males do so by 8 months. Further, the study underscores the importance of controlling for low-level perceptual cues in looking time experiments aimed at examining infants' cognitive abilities.
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