Abstract
There is accumulating evidence that the neurobiology of autism spectrum disorders (ASD) is linked to atypical neural communication and connectivity. This body of work emphasizes the need to characterize the function of multiple regions that comprise neural circuits rather than focusing on singular regions as contributing to deficits in ASD. Multimodal neuroimaging — the formal combination of multiple functional and structural measures of the brain — is extremely promising as an approach to understanding neural deficits in ASD. This review provides an overview of the multimodal imaging approach, and then provides a snapshot of how multimodal imaging has been applied in the study of ASD to date. This body of work is separated into two categories: one concerning whole brain connectomics and the other focused on characterizing neural circuits implicated as altered in ASD. We end this review by highlighting emerging themes from the existing body of literature, and new resources that will likely influence future multimodal imaging studies.
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Acknowledgments
Benjamin E. Yerys is supported by two grants from the National Institutes of Health (K23MH086111, R21MH092615) and an internal “New Program Development Award” from the Intellectual and Developmental Disabilities Research Center at the Children’s Hospital of Philadelphia (P30 HD02679), and the Philadelphia Foundation. John D. Herrington is supported by a grant from Shire Pharmaceuticals. We thank Gregory L. Wallace for feedback on a draft of this manuscript.
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Benjamin E. Yerys and John D. Herrington declare that they have no conflict of interest.
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This article is part of the Topical Collection on Autism Spectrum Disorders
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Yerys, B.E., Herrington, J.D. Multimodal Imaging in Autism: an Early Review of Comprehensive Neural Circuit Characterization. Curr Psychiatry Rep 16, 496 (2014). https://doi.org/10.1007/s11920-014-0496-2
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DOI: https://doi.org/10.1007/s11920-014-0496-2