Altered patterns of resting-state functional connectivity between the caudate and other brain regions in

Zhilong Yang1, Hongxing Li2, Wenjuan Tu2

  • 1Department of Neurology, The Third Affiliated Hospital of Soochow University, Changzhou 213003, Jiangsu, China.

Clinical Imaging
|September 2, 2017
PubMed

Insights

Brain connectivity in children with attention-deficit/hyperactivity disorder (ADHD) shows differences in the dorsal caudate. These functional connectivity patterns in the ADHD brain may relate to symptom severity.

Area of Science:

  • Neuroscience
  • Child Psychology
  • Brain Imaging

Background:

  • Patients with attention-deficit/hyperactivity disorder (ADHD) exhibit structural and functional changes in the caudate nucleus.
  • Investigating brain alterations is crucial for understanding ADHD.

Purpose of the Study:

  • To examine the functional connectivity of the dorsal caudate with other brain regions in children diagnosed with ADHD.
  • To identify specific brain networks affected in pediatric ADHD.

Main Methods:

  • Utilized resting-state functional Magnetic Resonance Imaging (fMRI) to measure brain activity.
  • Compared functional connectivity in 30 children with ADHD against 33 typically developing children matched for age and gender.

Main Results:

  • Found positive functional connectivity between the dorsal caudate and prefrontal areas, cingulate cortex, and temporal lobe.
  • Observed negative functional connectivity in the precuneus, occipital cortices, and cerebellum.
  • Correlated the connectivity between the left dorsal caudate and left inferior frontal gyrus with ADHD symptom severity.

Conclusions:

  • Established distinct patterns of dorsal caudate functional connectivity in children with ADHD.
  • Highlighted the role of the dorsal caudate in the neural circuitry of ADHD.
  • Suggests potential imaging biomarkers for ADHD severity.
Abstract