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  • Title: Intersensory experience and early perceptual development: postnatal experience with multimodal maternal cues affects intersensory responsiveness in bobwhite quail chicks.
    Author: Sleigh MJ, Columbus RF, Lickliter R.
    Journal: Dev Psychol; 1998 Mar; 34(2):215-23. PubMed ID: 9541774.
    Abstract:
    Unlike the other sensory modalities of precocial infants, the visual modality does not normally become functional until after birth or hatching. Despite this unique developmental status, the role of emerging visual experience on postnatal perceptual organization remains unclear. In this study, bobwhite quail hatchlings were reared in conditions that manipulated postnatal experience with maternal visual cues, either alone or in conjunction with maternal auditory cues. Results revealed that bobwhite chicks require postnatal exposure to both maternal auditory and visual cues following hatching to demonstrate species-specific perceptual preferences. Chicks that received temporally disparate maternal auditory and visual cues or experience with only maternal visual or maternal auditory cues failed to show species-typical perceptual responsiveness. These results suggest that developmental mechanisms involving both visual and auditory sensory experience underlie the emergence of early intersensory integration.
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