Review of Neuroimaging in Autism Spectrum Disorders
Author Information
Author(s): Evdokia Anagnostou, Margot J. Taylor
Primary Institution: Bloorview Research Institute, University of Toronto
Hypothesis
What have we learned from neuroimaging studies about the neurobiology of autism spectrum disorders?
Conclusion
Neuroimaging studies suggest that autism spectrum disorder is associated with atypical brain connectivity and structural abnormalities.
Supporting Evidence
- Neuroimaging studies indicate accelerated brain volume growth in early childhood for children with autism.
- Structural MRI studies show abnormalities in both grey and white matter in individuals with autism.
- Functional MRI studies suggest decreased connectivity in brain regions associated with social cognition in autism.
Takeaway
Scientists are studying the brains of kids with autism to understand how their brains are different, which might help us find better ways to help them.
Methodology
The review summarizes findings from various neuroimaging techniques including MRI, fMRI, and DTI to explore brain structure and function in autism.
Potential Biases
Sample heterogeneity and inconsistent diagnostic criteria may introduce bias in the findings.
Limitations
The review highlights variability in findings across studies and the need for larger, longitudinal studies to better understand autism.
Participant Demographics
The review discusses findings across different age groups, particularly focusing on children and adolescents with autism.
Digital Object Identifier (DOI)
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