Cited by 29Autism Spectrum Disorder ResearchAction Observation and SynchronizationEmbodied and Extended Cognition

Predictive sensorimotor control in autism

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Arthur, Tom, Vine, Sam, Brosnan, Mark, Buckingham, Gavin·2020·Brain

Abstract

Autism spectrum disorder has been characterized by atypicalities in how predictions and sensory information are processed in the brain. To shed light on this relationship in the context of sensorimotor control, we assessed prediction-related measures of cognition, perception, gaze and motor functioning in a large general population (n = 92; Experiment 1) and in clinically diagnosed autistic participants (n = 29; Experiment 2). In both experiments perception and action were strongly driven by prior expectations of object weight, with large items typically predicted to weigh more than equally-weighted smaller ones. Interestingly, these predictive action models were used comparably at a sensorimotor level in both autistic and neurotypical individuals with varying levels of autistic-like traits. Specifically, initial fingertip force profiles and resulting action kinematics were both scaled according to participants' pre-lift heaviness estimates, and generic visual sampling behaviours were notably consistent across groups. These results suggest that the weighting of prior information is not chronically underweighted in autism, as proposed by simple Bayesian accounts of the disorder. Instead, our results cautiously implicate context-sensitive processing mechanisms, such as precision modulation and hierarchical volatility inference. Together, these findings present novel implications for both future scientific investigations and the autism community.

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Crossref · 10.1093/brain/awaa243

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Authors
Arthur, T., Vine, S., Brosnan, M., & Buckingham, G.
Affiliations
  • University of Exeter (GB)
  • University of Bath (GB)
Corresponding author
Buckingham, Gavin
Venue
Brain
Published
2020-09-25
Volume
143
Issue
10
Pages
3151-3163
ISSN
  • 0006-8950 (ISSN-L)
  • 1460-2156
OpenAlex
W3044888722
Cited by
29
References
77
Citations by year
2026: 2 · 2025: 5 · 2024: 3 · 2023: 10 · 2022: 6 · 2021: 3
FWCI
2.55
Type
journal article
Language
en
Locations
  • Brain (publishedVersion)
  • PubMed (publishedVersion)
  • Open Research Exeter (University of Exeter) (acceptedVersion)
  • Figshare (submittedVersion)
  • Pure (University of Bath) (submittedVersion, other-oa)
  • OSF Preprints (OSF Preprints) (submittedVersion)
Funders
  • Economic and Social Research Council (ES/P000630/1)
  • South-West Doctoral Training Partnership
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Social Sciences › Psychology › Social Psychology › Action Observation and Synchronization
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Embodied and Extended Cognition
Keywords
autism spectrum disorder, sensorimotor control, predictive processing, prior expectations, Bayesian inference, grip force, gaze behavior, autistic traits
MeSH terms
Adolescent, Adult, Autistic Disorder, Female, Fixation, Ocular, Humans, Male, Predictive Value of Tests, Psychomotor Performance, Lifting, Young Adult

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