Cited by 42Autism Spectrum Disorder ResearchChild Nutrition and Feeding IssuesObsessive-Compulsive Spectrum Disorders

The Mediating Effects of Alexithymia, Intolerance of Uncertainty, and Anxiety on the Relationship Between Sensory Processing Differences and Restricted and Repetitive Behaviours in Autistic Adults

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Moore, Heather L., Brice, Samuel, Powell, Lauren, Ingham, Barry, Freeston, Mark, Parr, Jeremy R., Rodgers, Jacqui·2022·Journal of Autism and Developmental Disorders

Abstract

Distress caused by sensory processing differences for autistic individuals may be reduced by repetitive behaviours (RRB), including repetitive motor (RMB) and insistence on sameness (ISB) behaviours. Intolerance of uncertainty (IU) and anxiety mediate the relationship between sensory processing and RRB in autistic children. We replicated this model in autistic adults, extending it to include alexithymia. Serial mediation, using data from 426 autistic adults, identified significant direct effects from sensory processing to RMB and ISB, and indirect effects through alexithymia-IU-anxiety for RMB, and IU alone, and alexithymia-IU for ISB. Different mechanisms may underpin RMB and ISB. Alexithymia alongside, IU and anxiety, should be considered when understanding the relationship between sensory processing and RRB, and when offering interventions to support autistic people.

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Authors
Moore, H. L., Brice, S., Powell, L., Ingham, B., Freeston, M., Parr, J. R., & Rodgers, J.
Affiliations
  • Newcastle University (GB)
  • Cumbria Northumberland Tyne and Wear NHS Foundation Trust (GB)
  • Royal Victoria Infirmary (GB)
Corresponding author
Moore, Heather L.
Venue
Journal of Autism and Developmental Disorders
Published
2021-10-13
Volume
52
Issue
10
Pages
4384-4396
ISSN
  • 0162-3257 (ISSN-L)
  • 1573-3432
OpenAlex
W3205070028
Cited by
42
References
97
Citations by year
2026: 3 · 2025: 12 · 2024: 14 · 2023: 10 · 2022: 3
FWCI
3.55
Type
journal article
Language
en
Open access
Locations
  • Journal of Autism and Developmental Disorders (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Newcastle University ePrints (Newcastle Univesity) (cc-by)
Funders
Autistica (7425)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Health Sciences › Medicine › Psychiatry and Mental health › Child Nutrition and Feeding Issues
  • Social Sciences › Psychology › Clinical Psychology › Obsessive-Compulsive Spectrum Disorders
Keywords
autism spectrum disorder, sensory processing differences, restricted and repetitive behaviors, insistence on sameness, alexithymia, intolerance of uncertainty, anxiety, autistic adults, serial mediation
MeSH terms
Autism Spectrum Disorder, Adult, Affective Symptoms, Anxiety, Autistic Disorder, Child, Humans, Perception, Uncertainty

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