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Short-term test-retest reliability of resting state fMRI metrics in children with and without attention-deficit/hyperactivity disorder.


ABSTRACT: To date, only one study has examined test-retest reliability of resting state fMRI (R-fMRI) in children, none in clinical developing groups. Here, we assessed short-term test-retest reliability in a sample of 46 children (11-17.9 years) with attention-deficit/hyperactivity disorder (ADHD) and 57 typically developing children (TDC). Our primary test-retest reliability measure was the intraclass correlation coefficient (ICC), quantified for a range of R-fMRI metrics. We aimed to (1) survey reliability within and across diagnostic groups, and (2) compare voxel-wise ICC between groups. We found moderate-to-high ICC across all children and within groups, with higher-order functional networks showing greater ICC. Nearly all R-fMRI metrics exhibited significantly higher ICC in TDC than in children with ADHD for one or more regions. In particular, posterior cingulate and ventral precuneus exhibited group differences in ICC across multiple measures. In the context of overall moderate-to-high test-retest reliability in children, regional differences in ICC related to diagnostic groups likely reflect the underlying pathophysiology for ADHD. Our currently limited understanding of the factors contributing to inter- and intra-subject variability in ADHD underscores the need for large initiatives aimed at examining their impact on test-retest reliability in both clinical and developing populations.

SUBMITTER: Somandepalli K 

PROVIDER: S-EPMC6989828 | biostudies-literature | 2015 Oct

REPOSITORIES: biostudies-literature

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Short-term test-retest reliability of resting state fMRI metrics in children with and without attention-deficit/hyperactivity disorder.

Somandepalli Krishna K   Kelly Clare C   Reiss Philip T PT   Zuo Xi-Nian XN   Craddock R C RC   Yan Chao-Gan CG   Petkova Eva E   Castellanos F X FX   Milham Michael P MP   Di Martino Adriana A  

Developmental cognitive neuroscience 20150811


To date, only one study has examined test-retest reliability of resting state fMRI (R-fMRI) in children, none in clinical developing groups. Here, we assessed short-term test-retest reliability in a sample of 46 children (11-17.9 years) with attention-deficit/hyperactivity disorder (ADHD) and 57 typically developing children (TDC). Our primary test-retest reliability measure was the intraclass correlation coefficient (ICC), quantified for a range of R-fMRI metrics. We aimed to (1) survey reliabi  ...[more]

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