Developmental change in young children's use of haptic information in a visual task: The role of hand movements
Identifieur interne : 003764 ( Main/Exploration ); précédent : 003763; suivant : 003765Developmental change in young children's use of haptic information in a visual task: The role of hand movements
Auteurs : Hilary Kalagher ; Susan S. JonesSource :
- Journal of experimental child psychology [ 0022-0965 ] ; 2010.
English descriptors
- KwdEn :
- MESH :
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. Seventy-two children from 2 ½ to 5 years and 20 adults explored unfamiliar objects either haptically or visually, 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. Five-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 haptics-to-vision information transfer appeared to stem from their failure to use their hands to obtain reliable haptic information about objects.
Url:
DOI: 10.1016/j.jecp.2010.09.004
PubMed: 20974476
PubMed Central: 2991392
Affiliations:
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Le document en format XML
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<front><div type="abstract" xml:lang="en"><p id="P1">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. Seventy-two children from 2 ½ to 5 years and 20 adults explored unfamiliar objects either haptically or visually, 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. Five-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 haptics-to-vision information transfer appeared to stem from their failure to use their hands to obtain reliable haptic information about objects.</p>
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