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| Research article summary (published 25 Aug 2008): |
The effect of stimulus salience on over-selectivity.
Full Abstract
The influence of stimulus salience on over-selective responding was investigated in the context of a comparator theory of over-selectivity. In Experiments 1 and 2, participants were presented with two cards, each displaying two colors. In comparison to matched control participants, participants with Autistic Spectrum Disorder (ASD) demonstrated more over-selectivity, which increased when the stimuli differed in salience. In Experiment 3, the over-selected color was extinguished, and the previously under-selected color emerged to control behavior. The results suggest that stimuli of different salience may trigger over-selectivity in individuals with ASD, and provide preliminary support that this may be due to the action of an over-sensitive comparator mechanism functioning at the retrieval level of processing.
Author information
Author/s: Leader, Geraldine (G); Loughnane, Ann (A); McMoreland, Claire (C); Reed, Phil (P);
Affiliation: Department of Psychology, National University of Ireland, Galway, Ireland.
Journal and publication information
Publication Type: Journal Article; Randomized Controlled Trial
Journal: Journal of autism and developmental disorders (J Autism Dev Disord), published in United States. (Language: eng)
Reference: 2009-Feb; vol 39 (issue 2) : pp 330-8
Dates: Created 2009/01/19; Completed 2009/04/02;
PMID: 18751881, status: MEDLINE (last retrieval date: 4/2/2009, IMS Date: 02 Apr 2009 00:00:00)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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