期刊
JOURNAL OF CHILD PSYCHOLOGY AND PSYCHIATRY
卷 58, 期 4, 页码 411-435出版社
WILEY
DOI: 10.1111/jcpp.12687
关键词
Autism spectrum disorders; intellectual disability; neuroimaging
资金
- US National Institute of Mental Health [T32 MH018268]
Background: Autism spectrum disorders (ASDs) are a heterogeneous group of neurodevelopmental conditions that vary in both etiology and phenotypic expression. Expressions of ASD characterized by a more severe phenotype, including autism with intellectual disability (ASD + ID), autism with a history of developmental regression (ASD + R), and minimally verbal autism (ASD + MV) are understudied generally, and especially in the domain of neuroimaging. However, neuroimaging methods are a potentially powerful tool for understanding the etiology of these ASD subtypes. Scope and methodology: This review evaluates existing neuroimaging research on ASD + MV, ASD + ID, and ASD + R, identified by a search of the literature using the PubMed database, and discusses methodological, theoretical, and practical considerations for future research involving neuroimaging assessment of these populations. Findings: There is a paucity of neuroimaging research on ASD + ID, ASD + MV, and ASD + R, and what findings do exist are often contradictory, or so sparse as to be ungeneralizable. We suggest that while greater sample sizes and more studies are necessary, more important would be a paradigm shift toward multimodal (e. g. imaging genetics) approaches that allow for the characterization of heterogeneity within etiologically diverse samples.
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