Do children with autism perceive second-order relational features? The case of the Thatcher illusion
Rouse, Helen, Donnelly, Nick, Hadwin, Julie A. and Brown, Tony (2004) Do children with autism perceive second-order relational features? The case of the Thatcher illusion. Journal of Child Psychology and Psychiatry and Allied Disciplines, 45, (7), 1246-1257. (doi:10.1111/j.1469-7610.2004.00317.x).
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Description/Abstract
Background:
This study presents two experiments that investigated whether children with autism were susceptible to the Thatcher illusion. Perception of the Thatcher illusion requires being able to compute second-order configural relations for facial stimuli. Method:
In both experiments children with autism were matched for non-verbal and verbal ability with a group of children with moderate (non-specific) mental retardation (MLD) and a group of typically developing children respectively. Participants were asked to detect the ‘unusual’ face in a two-alternative-forced-choice version of the Margaret Thatcher illusion with grey-scale (Experiment 1) and monochrome ‘Mooney’ face images (Experiment 2). In Experiment 1 participants also performed a control task where buildings had been doctored in the same way as the facial stimuli. Results:
Children with autism were as susceptible to the Thatcher illusion as both control groups, in terms of accuracy and reaction time to make decisions about which face was unusual. Children with autism performed more accurately than children with MLD in the buildings task. Conclusion:
Children with autism are able to compute second-order configural features in faces and exhibit no difference in face processing, relative to appropriate control groups.
| Item Type: | Article |
|---|---|
| ISSNs: | 0021-9630 (print) |
| Related URLs: | |
| Keywords: | autism, central coherence, faces, buildings, Thatcher illusion |
| Subjects: | B Philosophy. Psychology. Religion > BF Psychology |
| Divisions: | University Structure - Pre August 2011 > School of Psychology > Division of Human Wellbeing University Structure - Pre August 2011 > School of Psychology > Division of Cognition University Structure - Pre August 2011 > School of Psychology > Division of Clinical Neuroscience |
| Item ID: | 40191 |
| Date Deposited: | 03 Jul 2006 |
| Last Modified: | 01 Jun 2011 14:24 |
| Contributors: | Rouse, Helen (Author) Donnelly, Nick (Author) Hadwin, Julie A. (Author) Brown, Tony (Author) |
| Date: | October 2004 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/40191 |
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