Cited by 91Genetics and Neurodevelopmental DisordersFace Recognition and PerceptionAutism Spectrum Disorder Research

Here's Looking at You, Kid: Neural Systems Underlying Face and Gaze Processing in Fragile XSyndrome

Garrett, Amy S., Menon, Vinod, MacKenzie, Katie, Reiss, Allan L.·2004·Archives of General Psychiatry

Abstract

BACKGROUND: Children with fragile X syndrome (fraX) are at risk for manifesting abnormalities in social function that overlap with features of autism and social anxiety disorder. In this study, we analyzed brain activation in response to face and gaze stimuli to better understand neural functioning associated with social perception in fraX. METHODS: Eleven female subjects with fraX, aged 10 to 22 years, were compared with age-matched female control subjects. Photographs of forward-facing and angled faces, each having direct and averted gaze (4 types of stimuli), were presented in an event-related design during functional magnetic resonance imaging. Subjects were instructed to determine the direction of gaze for each photograph. Activation in brain regions known to respond to face and gaze stimuli, the fusiform gyrus (FG) and superior temporal sulcus (STS), were compared between groups to isolate neural abnormalities in the perception of directed social stimuli. RESULTS: The fraX subjects had decreased accuracy in determining the direction of gaze compared with controls. Region of interest analysis of the FG revealed a significant interaction between diagnostic group and face orientation. Specifically, control subjects had greater FG activation to forward than to angled faces, whereas fraX subjects had no difference in FG activation to forward and angled faces. Controls showed greater left STS activation to all stimuli compared with fraX subjects. CONCLUSIONS: Our results suggest that gaze aversion in fraX subjects is related to decreased specialization of the FG in the perception of face orientation. Decreased STS activation in fraX suggests aberrant processing of gaze. These data suggest that gaze aversion in fraX may be related to dysfunction of neural systems underlying both face and gaze processing.

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Crossref · 10.1001/archpsyc.61.3.281

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Authors
Garrett, A. S., Menon, V., MacKenzie, K., & Reiss, A. L.
Affiliations
Stanford Medicine (US)
Venue
Archives of General Psychiatry
Published
2004-03-01
Volume
61
Issue
3
Pages
281
ISSN
0003-990X (ISSN-L)
OpenAlex
W2004427233
Cited by
91
References
46
Citations by year
2025: 3 · 2024: 1 · 2023: 3 · 2022: 3 · 2021: 2 · 2019: 3 · 2018: 3 · 2017: 5 · 2016: 4 · 2015: 1 · 2014: 5 · 2013: 8 · 2012: 4
FWCI
2.67
Type
journal article
Language
en
Open access
closed
Locations
  • Archives of General Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute of Mental Health (MH-19908, R01MH064708, MH-50047, MH01142, MH 64708, K02MH001142, R01MH050047, T32MH019908)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (K25HD040761, HD40761, R01HD031715, HD31715)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Face Recognition and Perception
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
Keywords
fragile X syndrome, gaze aversion, face processing, gaze processing, fusiform gyrus, superior temporal sulcus, social perception, face orientation, autism spectrum disorder, social anxiety disorder, brain activation
MeSH terms
Adolescent, Adult, Brain, Child, Evoked Potentials, Eye Movements, Face, Female, Fragile X Syndrome, Humans, Magnetic Resonance Imaging, Posture, Social Behavior Disorders, Visual Perception, Case-Control Studies

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