Research article summary (published 30 Dec 2007):

Mr. Grimace or Ms. Smile: does categorization affect perceptual processing in autism?

Full Abstract

This study compared the influence of categorization on perceptual processing in adults with autistic spectrum disorders (ASD) and normal control participants. Participants were asked to categorize hybrid faces (composed of two overlapped faces of different spatial bandwidths) by gender and emotion. Control participants exhibited a bias for low-pass information during gender categorization and a bias for high-pass information during emotion categorization. By contrast, adults with ASD showed the same low-pass bias in both tasks. This absence of a shift in processing style in the ASD group is discussed in terms of diminished top-down modulation in autism.

Author information

Author/s: Santos, Andreia (A); Rondan, Cécilie (C); Rosset, Delphine B (DB); Da Fonseca, David (D); Deruelle, Christine (C);

Affiliation: Mediterranean Institute of Cognitive Neurosciences, CNRS, Marseille, France. a.santos(-atsign-)incm.cnrs-mrs.fr

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: Psychological science : a journal of the American Psychological Society / APS (Psychol Sci), published in United States. (Language: eng)

Reference: 2008-Jan; vol 19 (issue 1) : pp 70-6

Dates: Created 2008/01/09; Completed 2008/04/09;

PMID: 18181794, status: MEDLINE (last retrieval date: 2/18/2009, IMS Date: )

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adolescent Adult Asperger Syndrome - diagnosis; psychology Attention Autistic Disorder - diagnosis; psychology Discrimination Learning Emotions

Emotions Facial Expression Female Humans Male Middle Aged Pattern Recognition, Visual

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