Cited by 205Tactile and Sensory InteractionsAutism Spectrum Disorder ResearchAction Observation and Synchronization

Autistic traits are associated with diminished neural response to affective touch

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Voos, Avery C., Pelphrey, Kevin A., Kaiser, Martha D.·2013·Social Cognitive and Affective Neuroscience

Abstract

'Social brain' circuitry has recently been implicated in processing slow, gentle touch targeting a class of slow-conducting, unmyelinated nerves, CT afferents, which are present only in the hairy skin of mammals. Given the importance of such 'affective touch' in social relationships, the current functional magnetic resonance imaging (fMRI) study aimed to replicate the finding of 'social brain' involvement in processing CT-targeted touch and to examine the relationship between the neural response and individuals' social abilities. During an fMRI scan, 19 healthy adults received alternating blocks of slow (CT-optimal) and fast (non-optimal) brushing to the forearm. Relative to fast touch, the slow touch activated contralateral insula, superior temporal sulcus (STS), medial prefrontal cortex (mPFC), orbitofrontal cortex (OFC) and amygdala. Connectivity analyses revealed co-activation of the mPFC, insula and amygdala during slow touch. Additionally, participants' autistic traits negatively correlated with the response to slow touch in the OFC and STS. The current study replicates and extends findings of the involvement of a network of 'social brain' regions in processing CT-targeted affective touch, emphasizing the multimodal nature of this system. Variability in the brain response to such touch illustrates a tight coupling of social behavior and social brain function in typical adults.

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  • The observed pattern of results has been interpreted as indicating an oxytocin-induced self-referential processing bias that could explain the increased pleasantness in an already pleasant context and a diminished effect for participants with high autistic-like traits who experience social touch as less pleasant.

    “Thus, the observed pattern of results has been interpreted as indicating an OXTinduced self-referential processing bias that could explain the increased pleasantness in an already pleasant context and a diminished effect for participants with high autistic-like traits who experience social touch as less pleasant (115).”
  • Healthy subjects with autistic traits exhibit diminished responses in the neural substrates for social touch, particularly in the orbitofrontal cortex.

    “Likewise, healthy subjects with autistic traits exhibit diminished responses in the neural substrates for social touch, particularly in the OFC (Voos et al, 2013).”
  • Diminished OFC activation in response to touch in healthy adults with higher autistic traits has been reported previously.

    “Diminished OFC activation in response to touch in healthy adults with higher autistic traits has been reported previously”
  • Voos et al. (2013) brushed the right forearm instead of both legs, did not instruct their subjects to rate the pleasantness of each trial in the scanner, and more than half of their subjects were female.

    “For example, Voos et al (2013) brushed the right forearm instead of both legs, they did not instruct their subjects to rate the pleasantness of each trial in the scanner and, perhaps most importantly, more than half of their subjects were female.”

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2 of the 83 references couldn’t be matched to a known paper.

Research works printed but not linked: 4

  1. Blakemore, S.J., Tavassolit, T., Calo, S., et al. (2006). Tactile sensitivity in Asperger syn- drome. Brain and Cognition, 61(1), 5.
  2. Harlow, H.F., Zimmerman, R.R. (1959). Affectional responses in the infant monkey. Science, 130(3373), 421-32.
  3. Kaiser, M.D., Hudac, C.M., Shultz, S., et al. (2010). Neural signature of autism. Proceedings of the National Academy of Sciences, 107(49), 21223-8.
  4. Kaiser, M., Shiffrar, M. (2010). Systematic variation in sensitivity to biological motion in typical adults. J Vision, 7(9), 488.

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Authors
Voos, A. C., Pelphrey, K. A., & Kaiser, M. D.
Affiliations
Yale University (US)
Venue
Social Cognitive and Affective Neuroscience
Published
2012-03-05
Volume
8
Issue
4
Pages
378-386
ISSN
  • 1749-5016 (ISSN-L)
  • 1749-5024
OpenAlex
W2157242456
Cited by
205
References
83
Citations by year
2026: 9 · 2025: 12 · 2024: 9 · 2023: 21 · 2022: 17 · 2021: 29 · 2020: 13 · 2019: 15 · 2018: 11 · 2017: 23 · 2016: 16 · 2015: 12 · 2014: 11 · 2013: 6 · 2012: 1
FWCI
4.91
Type
journal article
Language
en
Open access
Locations
  • Social Cognitive and Affective Neuroscience (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Yale University
  • National Institutes of Health
  • National Institute of Mental Health (R01MH084080, P50MH081756, K01MH071284, L40 MH071890)
  • National Institute of Neurological Disorders and Stroke (R56NS035193, R01NS035193)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Social Sciences › Psychology › Social Psychology › Action Observation and Synchronization
Keywords
autistic traits, affective touch, social brain, insula, superior temporal sulcus, medial prefrontal cortex, orbitofrontal cortex, amygdala, neural response variability, social behavior
MeSH terms
Adolescent, Adult, Autistic Disorder, Brain, Brain Mapping, Female, Humans, Magnetic Resonance Imaging, Male, Neurons, Physical Stimulation, Skin, Social Behavior, Touch, Touch Perception, Young Adult

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