Cited by 154Autism Spectrum Disorder ResearchTactile and Sensory InteractionsGenetics and Neurodevelopmental Disorders

Perceptual and Neural Response to Affective Tactile Texture Stimulation in Adults with Autism Spectrum Disorders

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Cascio, Carissa J., Moana‐Filho, Estephan J., Guest, Steve, Nebel, Mary Beth, Weisner, Jonathan, Baranek, Grace T., Essick, Gregory K.·2012·Autism Research

Abstract

Autism spectrum disorders (ASD) are associated with differences in sensory sensitivity and affective response to sensory stimuli, the neural basis of which is still largely unknown. We used psychophysics and functional magnetic resonance imaging (fMRI) to investigate responses to somatosensory stimulation with three textured surfaces that spanned a range of roughness and pleasantness in a sample of adults with ASD and a control group. While psychophysical ratings of roughness and pleasantness were largely similar across the two groups, the ASD group gave pleasant and unpleasant textures more extreme average ratings than did controls. In addition, their ratings for a neutral texture were more variable than controls, indicating they are less consistent in evaluating a stimulus that is affectively ambiguous. Changes in brain blood oxygenation level‐dependent (BOLD) signal in response to stimulation with these textures differed substantially between the groups, with the ASD group exhibiting diminished responses compared to the control group, particularly for pleasant and neutral textures. For the most unpleasant texture, the ASD group exhibited greater BOLD response than controls in affective somatosensory processing areas such as the posterior cingulate cortex and the insula. The amplitude of response in the insula in response to the unpleasant texture was positively correlated with social impairment as measured by the Autism Diagnostic Interview‐Revised (ADI‐R). These results suggest that people with ASD tend to show diminished response to pleasant and neutral stimuli, and exaggerated limbic responses to unpleasant stimuli, which may contribute to diminished social reward associated with touch, perpetuating social withdrawal, and aberrant social development. Autism Res 2012,5:231–244. © 2012 International Society for Autism Research, Wiley Periodicals, Inc.

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  1. American Psychiatric Association 2000 Dsm iv-tr. Diagnostic and statistical manual of mental disorders 4 text revision Washington, D.C APA Press
  2. Field T 2001 Touch Cambridge MA MIT Press
  3. Talairach J Tournoux P 1988 Coplanar stereotactic atlas of the human brain New York Thieme Medical Publishers

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Authors
Cascio, C. J., Moana‐Filho, E. J., Guest, S., Nebel, M. B., Weisner, J., Baranek, G. T., & Essick, G. K.
Affiliations
  • Vanderbilt University (US)
  • Center for Neurosensory Disorders University of North Carolina School of Dentistry Chapel Hill NC
  • University of North Carolina at Chapel Hill (US)
  • Kennedy Krieger Institute (US)
Corresponding author
Cascio, Carissa J.
Venue
Autism Research
Publisher
Wiley
Published
2012-03-23
Volume
5
Issue
4
Pages
231-244
ISSN
  • 1939-3792 (ISSN-L)
  • 1939-3806
OpenAlex
W1913927293
Cited by
154
References
85
Citations by year
2026: 8 · 2025: 10 · 2024: 11 · 2023: 13 · 2022: 8 · 2021: 18 · 2020: 11 · 2019: 9 · 2018: 10 · 2017: 11 · 2016: 11 · 2015: 9 · 2014: 9 · 2013: 14 · 2012: 2
FWCI
5.56
Type
journal article
Language
en
Open access
Locations
  • Autism Research (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
  • UNC Libraries
Funders
  • Autism Speaks (AS2082)
  • National Institute of Mental Health (K01MH090232)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
Keywords
autism spectrum disorder, tactile texture, affective touch, somatosensory processing, sensory sensitivity, texture roughness, insula, posterior cingulate cortex, social reward, social withdrawal, autism severity
MeSH terms
Adolescent, Adult, Affect, Brain, Brain Mapping, Cerebral Cortex, Child, Child Development Disorders, Pervasive, Female, Gyrus Cinguli, Humans, Image Interpretation, Computer-Assisted, Limbic System, Magnetic Resonance Imaging, Male, Motivation, Oxygen, Physical Stimulation, Psychophysics, Reference Values, Social Behavior, Touch, Young Adult

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