Developmental change in young children's use of haptic information in a visual task: the role of hand movements |
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Authors: | Kalagher Hilary Jones Susan S |
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Institution: | Psychological and Brain Sciences, Indiana University, Bloomington, IN 47405, USA |
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Abstract: | Preschoolers who explore objects haptically often fail to recognize those objects in subsequent visual tests. This suggests that children may represent qualitatively different information in vision and haptics and/or that children’s haptic perception may be poor. In this study, 72 children (2½-5 years of age) and 20 adults explored unfamiliar objects either haptically or visually and then chose a visual match from among three test objects, each matching the exemplar on one perceptual dimension. All age groups chose shape-based matches after visual exploration. Both 5-year-olds and adults also chose shape-based matches after haptic exploration, but younger children did not match consistently in this condition. Certain hand movements performed by children during haptic exploration reliably predicted shape-based matches but occurred at very low frequencies. Thus, younger children’s difficulties with haptic-to-visual information transfer appeared to stem from their failure to use their hands to obtain reliable haptic information about objects. |
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Keywords: | Haptic Visual Perception Cross-modal Transfer Children |
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