Multimodal perception in the control of infant reaching

Six-month-old infants were presented with sounding objects under 3 conditions of illumination: in full vision, in the dark with target location specified by a glowing and sounding object, and in the dark with location specified by sound alone. Reaching behavior was videotaped with an infrared camera...

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Bibliographic Details
Published inJournal of experimental psychology. Human perception and performance Vol. 20; no. 4; p. 876
Main Authors Clifton, R K, Rochat, P, Robin, D J, Berthier, N E
Format Journal Article
LanguageEnglish
Published United States 01.08.1994
Subjects
Auditory Perception
Color Perception
Discrimination Learning
Female
Hand
Humans
Infant
Light
Male
Movement
Play and Playthings
Space Perception
Spatial Behavior
Videotape Recording
Visual Perception
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Summary:Six-month-old infants were presented with sounding objects under 3 conditions of illumination: in full vision, in the dark with target location specified by a glowing and sounding object, and in the dark with location specified by sound alone. Reaching behavior was videotaped with an infrared camera, and hand movement was measured by infrared-emitting diodes on the hand that were tracked by a motion analysis system. No differences were found in reaching behavior for objects in the light and glowing objects in the dark. Reaches for sounding objects in the dark had higher speeds, shorter durations, and more errors compared to the other 2 conditions. These findings indicate that vision of the hand did not appear to affect infants' reaching in this situation, whereas vision of the target did.
ISSN:0096-1523
DOI:10.1037/0096-1523.20.4.876