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Related Experiment Video

Updated: Dec 30, 2025

Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging

Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging

Published on: September 12, 2011

Behavioural profiling of autism connectivity abnormalities.

William Snyder¹, Vanessa Troiani²

¹Student, Program in Neuroscience, Bucknell University; Research Assistant, Autism and Developmental Medicine Institute, Geisinger, USA.

|January 23, 2020

Summary

Functional brain region diversity complicates autism spectrum disorder (ASD) biomarker discovery. This study links abnormal brain connectivity in ASD to specific behaviors using a novel profiling method.

Keywords:

Autism spectrum disorder fMRI meta-analysis neuroimaging

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Dynamic Clamp Methods to Investigate Impaired Neuronal Excitability Associated with Autism

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Published on: October 17, 2025

Area of Science:

Neuroimaging
Cognitive Neuroscience
Psychiatry

Background:

Brain regions exhibit functional diversity, potentially hindering consistent biomarker identification for disorders like autism spectrum disorder (ASD).
Understanding how functional abnormalities in brain regions contribute to behaviors is crucial for diagnosing and treating ASD.

Purpose of the Study:

To illustrate a meta-analytic behavioral profiling procedure.
To evaluate the contribution of disrupted brain connectivity in ASD to various behaviors.

Main Methods:

Utilized functional magnetic resonance imaging (fMRI) data from the Autism Brain Imaging Data Exchange to identify connectivity abnormalities in ASD.
Employed the BrainMap database to create behavioral profiles for abnormally connected regions by linking them to tasks that activate them.

Main Results:

Hyperconnectivity in ASD brains was significantly associated with memory, attention, reasoning, social, execution, and speech behaviors.
Hypoconnectivity in ASD brains was linked to vision, execution, and speech behaviors.

Conclusions:

Introduced a novel behavioral profiling method for clinical neuroimaging, estimating functional diversity and linking abnormal connectivity to diagnostic criteria in ASD.
Behavioral profiling offers computational insights to enhance understanding of the functional manifestations of ASD and other disorders.