Eating as an autistic adult: an exploratory qualitative study
Open accessAbstract
BACKGROUND: Although eating difficulties are known to be common in children on the autism spectrum, there is a lack of research on whether these behaviours persist or change into adulthood. Emerging evidence suggests that autistic adults may experience higher levels of disordered eating than the general population, indicating the impact of autism on eating in this adult population warrants further exploration. METHOD: This study interviewed 12 autistic adults about their eating habits, with a focus on the continuing or changing presence of behaviours often seen in autistic children such as sensory sensitivity or a preference for routines. Interviews were transcribed and analysed using thematic analysis. RESULTS: Overall, participants suggested that autism did continue to impact their eating into adulthood, particularly in the areas of sensory sensitivity, medical difficulties, executive functioning difficulties, and rigidity, but that they had learned to adapt so that these issues no longer represented a problem. However, a minority of participants did feel that their autism had a negative effect on their eating, particularly those diagnosed with eating disorders. Additionally, eating behaviours associated with autism were identified as potentially contributing to having an unhealthy body weight. CONCLUSIONS: Certain traits associated with autism, such as cognitive rigidity and sensory sensitivity, could potentially continue to influence the eating behaviours of autistic adults. These traits are typically experienced as differences which can be adapted around and managed, rather than specific problems. However, these traits can potentially contribute to difficulties such as disordered eating and weight gain, and the implications of these should be explored by future research.
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In eating disorders, rigid thinking is often exacerbated in autistic individuals and may contribute to eating disorder pathology.
“In eating disorders, rigid thinking is often exacerbated in autistic individuals and may contribute to eating disorder pathology [58].”
From Autistic Cognition: Charting Routes to Anxiety (2021) · cites this paper as [58]
The Results (Unifying theme: Impact) link rigidity associated with autism to under- or overeating and, for some participants, the development of eating disorders. The paper does not establish that rigid thinking is often exacerbated in autistic individuals with eating disorders; it describes rigidity as an autism-associated trait and reports participants’ perceptions of its effects. (LLM, conf=0.84)
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- Authors
- Kinnaird, E., Norton, C., Pimblett, C., Stewart, C., & Tchanturia, K.
- Affiliations
- King's College London (GB)
- South London and Maudsley NHS Foundation Trust (GB)
- Ilia State University (GE)
- Corresponding author
- Tchanturia, Kate
- Venue
- PLoS ONE
- Publisher
- Public Library of Science (PLoS)
- Published
- 2019-08-29
- Volume
- 14
- Issue
- 8
- Pages
- e0221937
- ISSN
- 1932-6203 (ISSN-L)
- PMC
- PMC6715205
- OpenAlex
- W2970888915
- Cited by
- 78
- References
- 47
- Citations by year
- 2026: 10 · 2025: 21 · 2024: 8 · 2023: 9 · 2022: 9 · 2021: 13 · 2020: 8
- FWCI
- 5.88
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- PLoS ONE (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Research Portal (King's College London) (publishedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Medical Research Council (MR/N013700/1)
- MRC and MRF Child and Young Adult Mental Health (MR/R004595/1)
- Health Foundation (-)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Child Nutrition and Feeding Issues
- Social Sciences › Psychology › Clinical Psychology › Eating Disorders and Behaviors
- Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
- Keywords
- autism spectrum disorder, autistic adults, eating behaviour, disordered eating, sensory sensitivity, cognitive rigidity, eating disorders, body weight, transition from childhood to adulthood
- MeSH terms
- Adolescent, Adult, Autistic Disorder, Child, Child, Preschool, Diet, Disease Susceptibility, Feeding Behavior, Female, Humans, Male, Middle Aged, Surveys and Questionnaires, Young Adult
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