No association between alexithymia and emotion recognition or theory of mind in a sample of adolescents enhanced for autistic traits

Georgianna Moraitopoulou, Hannah Pickard, Emily Simonoff, Andrew Pickles, Rachael Bedford, Virginia Carter Leno*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The alexithymia hypothesis posits that specific aspects of the autistic socio-cognitive profile, namely emotion recognition difficulties, can be explained by the increased prevalence of alexithymia in autistic populations. However, this hypothesis has largely been tested in adults. We tested whether co-occurring alexithymia could account for associations between autistic traits and two key domains of socio-emotional cognitive functioning in adolescence. Participants were 184 (44% male) children aged 10–16 years with and without a diagnosis of autism (n = 75 autistic), who completed experimental measures of emotion recognition and theory of mind. Parents completed assessment of autistic traits and alexithymia. Pre-registered analyses tested associations between autistic traits and socio-cognitive task performance, and whether including alexithymia as an additional predictor changed the nature of the association between autistic traits and task performance. Results showed participants with higher levels of autistic traits performed lower on emotion recognition and theory of mind tasks, and that these associations were not significantly altered by including alexithymia in the models. Results suggest that more work is needed to understand the applicability of the alexithymia hypothesis in younger populations, but that at least in young adolescents and when using parent-report measures, alexithymia may not be associated with emotion recognition or theory of mind ability.

Original languageEnglish
Pages (from-to)2066-2079
Number of pages14
JournalAutism
Volume28
Issue number8
Early online date19 Jan 2024
DOIs
Publication statusPublished - 1 Aug 2024

Keywords

  • adolescence
  • alexithymia
  • autism
  • emotion recognition
  • theory of mind

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