Heterogeneity and convergence across seven neuroimaging modalities: a review of the autism spectrum disorder literature.

Background: A growing body of literature classifies autism spectrum disorder (ASD) as a heterogeneous, complex neurodevelopmental disorder that often is identified prior to three years of age. We aim to provide a narrative review of key structural and functional properties that differentiate the neuroimaging profile of autistic youth from their typically developing (TD) peers across different neuroimaging modalities.

Methods: Relevant studies were identified by searching for key terms in PubMed, with the most recent search conducted on September 1, 2023.