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Functional Brain Pathways Disrupted in Children with ADHD
Date:11/27/2011

d in the processing of visual attention information. The researchers also found that communication among the brain regions within this visual attention-processing pathway was disrupted in the children with ADHD.

"What this tells us is that children with ADHD are using partially different functional brain pathways to process this information, which may be caused by impaired white matter pathways involved in visual attention information processing," Dr. Li said.

Dr. Li said much of the research conducted on ADHD has focused on the impulsivity component of the disorder.

"Inattention is an equally important component of this disorder," she said, "and our findings contribute to understanding the pathology of inattentiveness in ADHD."

Coauthors are Shugao Xia, Ariane Kimball and Craig Branch, Ph.D. 

Note: Copies of RSNA 2011 news releases and electronic images will be available online at RSNA.org/press11 beginning Monday, Nov. 28.

RSNA is an association of more than 48,000 radiologists, radiation oncologists, medical physicists and related scientists committed to excellence in patient care through education and research. The Society is based in Oak Brook, Ill. (RSNA.org)

For patient-friendly information on fMRI of the brain, visit RadiologyInfo.org.

 

AT A GLANCE

  • Children with ADHD use different pathways to process visual attention information.
  • Previous studies have focused on the impulsivity component of the disorder.
  • ADHD affects five to eight percent of school-aged children.


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SOURCE Radiological Society of North America (RSNA)
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