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A multimodal neural signature of face processing in autism within the fusiform gyrus

  • EU-AIMS LEAP group
  • University of Zurich
  • Radboud University Nijmegen
  • Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Germany
  • University of London
  • University Medical Center
  • Goethe University Frankfurt
  • University of Cambridge
  • Human Genetics and Cognitive Functions Unity
  • Department of Psychology
  • Psychology and Neuroscience
  • King's College London

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)
100 Downloads (Pure)

Abstract

Atypical face processing is commonly reported in autism. Its neural correlates have been explored extensively across single neuroimaging modalities within key regions of the face processing network, such as the fusiform gyrus (FFG). Nonetheless, it is poorly understood how variation in brain anatomy and function jointly impacts face processing and social functioning. Here we leveraged a large multimodal sample to study the cross-modal signature of face processing within the FFG across four imaging modalities (structural magnetic resonance imaging (MRI), resting-state functional magnetic resonance imaging, task-functional magnetic resonance imaging and electroencephalography) in 204 autistic and nonautistic individuals aged 7-30 years (case-control design). We combined two methodological innovations-normative modeling and linked independent component analysis-to integrate individual-level deviations across modalities and assessed how multimodal components differentiated groups and informed social functioning in autism. Groups differed significantly in a multimodal component driven by bilateral resting-state functional MRI, bilateral structure, right task-functional MRI and left electroencephalography loadings in face-selective and retinotopic FFG. Multimodal components outperformed unimodal ones in differentiating groups. In autistic individuals, multimodal components were associated with cognitive and clinical features linked to social, but not nonsocial, functioning. These findings underscore the importance of elucidating multimodal neural associations of social functioning in autism, offering potential for the identification of mechanistic and prognostic biomarkers.

Original languageEnglish
Pages (from-to)31-45
Number of pages15
JournalNature Mental Health
Volume3
Issue number1
Early online date2 Jan 2025
DOIs
Publication statusPublished - 31 Jan 2025

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