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The development of perceptual grouping in infants with Williams syndrome

Farran, Emily K, Brown, Janice H., Cole, Victoria L., Houston-Price, Carmel and Karmiloff-Smith, Annette (2007) The development of perceptual grouping in infants with Williams syndrome International Journal of Developmental Science, 1 (3). pp. 253-271.

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Abstract

Perceptual grouping by luminance similarity and by proximity was investigated in infants with Williams syndrome (WS) aged between 6 and 36 months (visit 1, N=29). WS infants who were still under 36 months old, 8 months later, repeated the testing procedure (visit 2, N=15). Performance was compared to typically developing (TD) infants aged from 2 to 20 months (N=63). Consistent with the literature, TD participants showed grouping by luminance at the youngest testing age, 2 months. Grouping by proximity had not previous been charted in typical development: this study showed grouping by proximity at 8 months. Infants with WS could group by luminance. Developmental progression of the WS group showed some similarities to typical development, although further investigation is required to further address this in more depth. In contrast, infants with WS were not able to group by proximity. This pattern of emergence and development of grouping abilities is considered in relation to the pattern of grouping abilities observed in adults with WS.

Item Type: Article
Divisions : Faculty of Health and Medical Sciences > School of Psychology
Authors :
NameEmailORCID
Farran, Emily Ke.farran@surrey.ac.uk
Brown, Janice H.
Cole, Victoria L.
Houston-Price, Carmel
Karmiloff-Smith, Annette
Date : 1 December 2007
Funders : Economic and Social Research Council (ESRC)
DOI : 10.3233/DEV-2007-1309
Copyright Disclaimer : © 2007 Vandenhoeck & Ruprecht GmbH & Co. KG, Göttingen
Uncontrolled Keywords : infancy, longitudinal, perception, perceptual grouping
Depositing User : Diane Maxfield
Date Deposited : 28 Jun 2019 14:59
Last Modified : 28 Jun 2019 14:59
URI: http://epubs.surrey.ac.uk/id/eprint/850249

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