Farran, EK;
Jarrold, C;
(2004)
Exploring block construction and mental imagery: Evidence of atypical orientation discrimination in Williams syndrome.
Visual Cognition
, 11
(8)
pp. 1019-1039.
10.1080/13506280444000058b.
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Abstract
The visuospatial perceptual abilities of individuals with Williams syndrome (WS) were investigated in two experiments. Experiment 1 measured the ability of participants to discriminate between oblique and between nonoblique orientations. Individuals with WS showed a smaller effect of obliqueness in response time, when compared to controls matched for nonverbal mental age. Experiment 2 investigated the possibility that this deviant pattern of orientation discrimination accounts for the poor ability to perform mental rotation in WS (Farran, Jarrold, & Gathercole, 2001). A size transformation task was employed, which shares the image transformation requirements of mental rotation, but not the orientation discrimination demands. Individuals with WS performed at the same level as controls. The results suggest a deviance at the perceptual level in WS, in processing orientation, which fractionates from the ability to mentally transform images. © 2004 Psychology Press Ltd.
| Type: | Article |
|---|---|
| Title: | Exploring block construction and mental imagery: Evidence of atypical orientation discrimination in Williams syndrome |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1080/13506280444000058b |
| Publisher version: | https://doi.org/10.1080/13506280444000058b |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Education UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1477844 |
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