Author: Nardini, M.; Burgess, N.; Breckenridge, K.; Atkinson, J.
Description: We studied the development of spatial frames of reference in children aged 3-6 years, who retrieved hidden toys from an array of identical containers bordered by landmarks under four conditions. By moving the child and/or the array between presentation and test, we varied the consistency of the hidden toy with (i) the body, and (ii) the testing room. The toy’s position always remained consistent with (iii) the array and bordering landmarks. We found separate, additive performance advantages for consistency with body and room. These effects were already present at 3 years. A striking finding was that the room effect, which implies allocentric representations of the room and/or egocentric representations updated by self-motion, was much stronger in the youngest children than the body effect, which implies purely egocentric representations. Children as young as 3 years therefore had, and greatly favoured, spatial representations that were not purely egocentric. Viewpoint-independent recall based only on the array and bordering landmarks emerged at 5 years. There was no evidence that this later-developing ability, which implies object-referenced (intrinsic) representations, depended on verbal encodings. These findings indicate that core components of adult spatial competence, including parallel egocentric and nonegocentric representations of space, are present as early as 3 years. These are supplemented by later-developing object-referenced representations.
Subject headings: Child; Child, Preschool; Cognition; Environment; Humans; Memory; Space Perception
Publication year: 2006
Journal or book title: Cognition
Volume: 101
Issue: 1
Pages: 153-172
Find the full text : http://www.homepages.ucl.ac.uk/~ucjtmna/nardini_cognition2006.pdf
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Type: Journal Article
Serial number: 23