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Semantic fields in low-functioning autism.

Boser, Katharina and Higgins, Susannah and Fetherson, Anne and Preissler, Melissa Allen and Gordon, Barry (2002) Semantic fields in low-functioning autism. Journal of Autism and Developmental Disorders, 32 (6). pp. 563-582. ISSN 0162-3257

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Abstract

Restricted semantic fields and resultant stimulus overselectivity are often thought to be typical of low-functioning autism, as is a strong visual processing preference. However, these conclusions may in part be an artifact of testing methodology. A 12-year-old, low-functioning and nonverbal autistic boy was tested on an auditory word-to-picture selection task. The picture foils were chosen to have visual features, semantic features, both, or neither in common with the correct answer. Errors were made more often to semantically than to visually related items, and he showed generalization to items that had not been explicitly trained. This is taken as evidence that his semantic fields are broader than otherwise apparent, and that he was capable of expanding his semantic representations independently of specific training.

Item Type: Article
Journal or Publication Title: Journal of Autism and Developmental Disorders
Uncontrolled Keywords: Low-functioning autism - single word learning - semantic knowledge - assessment - categorization - overselectivity
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Departments: Faculty of Science and Technology > Psychology
ID Code: 30780
Deposited By: Dr Melissa Allen
Deposited On: 03 Dec 2009 16:49
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 16:49
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/30780

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