When less is more: Poor discrimination but good colour memory in autism

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Heaton, Pam F.; Ludlow, Amanda and Roberson, Debi. 2008. When less is more: Poor discrimination but good colour memory in autism. Research in Autism Spectrum Disorders, 2(1), pp. 147-156. ISSN 17509467 [Article]

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Official URL: http://dx.doi.org/10.1016/j.rasd.2007.04.004

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In two experiments children with autism and two groups of controls matched for either chronological or non-verbal mental age were tested on tasks of colour discrimination and memory. The results from experiment 1 showed significantly poorer colour discrimination in children with autism in comparison to typically developing chronological age matched controls. However, in experiment 2, children with autism, retained unlabelled perceptual colour information to a significantly higher level than either group of controls. The findings suggest that enhanced performance on perceptual tasks relate to a reduced tendency to encode verbal information in memory.

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Article

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https://doi.org/10.1016/j.rasd.2007.04.004