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Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome
Published on: July 31, 2016
Human versus non-human face processing: evidence from Williams syndrome.
Andreia Santos1, Delphine Rosset, Christine Deruelle
1Centre National de Recherche Scientifique, Mediterranean Institute of Cognitive Neurosciences, 13402 Marseille cedex 20, France.
Journal of Autism and Developmental Disorders
|June 27, 2009
Summary
Individuals with Williams syndrome (WS) excel at recognizing emotions on human faces but struggle with non-human faces, suggesting heightened sensitivity to social cues. This impacts their face processing abilities.
Area of Science:
- Neuroscience
- Developmental Psychology
- Genetics
Background:
- Williams syndrome (WS) is associated with increased motivation towards social stimuli.
- Hypersociability is a hallmark feature of WS.
- Previous research suggests altered face processing in WS.
Purpose of the Study:
- To investigate the impact of human status versus face orientation on face processing in WS.
- To compare face emotion categorization in individuals with WS and controls.
- To explore the role of social salience in face perception for WS.
Main Methods:
- Twenty-nine individuals with WS and age-matched controls participated.
- Participants categorized facial emotion expressions.
- Stimuli included real human faces, human cartoon faces, and non-human cartoon faces, presented upright and inverted.
Main Results:
- WS participants accurately categorized emotions from human faces (real and cartoon).
- WS participants showed impaired emotion categorization from non-human cartoon faces.
- Performance differences were not explained by alternative perceptual strategies.
Conclusions:
- Individuals with WS exhibit enhanced face processing for human-relevant stimuli.
- This suggests a heightened sensitivity to socially relevant cues in WS.
- Findings support the link between hypersociability and specific face processing advantages in WS.
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