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Relating brain connectivity with persistent symptoms in pediatric concussion

Kartik K Iyer1, Karen M Barlow1,2,3,4, Brian Brooks4

  • 1Child Health Research Centre Faculty of Medicine The University of Queensland Brisbane Australia.

Annals of Clinical and Translational Neurology
|May 30, 2019
PubMed

Insights

Persistent post-concussion symptoms in children are linked to brain connectivity changes. Understanding these neural underpinnings can improve prognosis and personalized treatments for mild traumatic brain injury (mTBI).

Area of Science:

  • Neuroscience
  • Pediatrics
  • Radiology

Background:

  • Persistent post-concussion symptoms (PCS) following mild traumatic brain injury (mTBI) present a significant public health challenge in children.
  • A deeper understanding of the neural mechanisms underlying PCS is crucial for effective management.

Purpose of the Study:

  • To investigate the relationship between whole-brain functional connectivity and behavioral outcomes in children with mTBI.
  • To identify neural correlates of PCS and associated symptoms like cognitive and sleep disturbances.

Main Methods:

  • Utilized resting-state functional magnetic resonance imaging (fMRI) to assess whole-brain functional connectivity.
  • Included behavioral assessments of cognitive function and sleep quality in 110 children with mTBI and controls.

Main Results:

  • No significant differences in overall connectivity levels were observed between children with mTBI and control groups.
  • PCS, cognitive deficits, and sleep problems in children with mTBI were associated with altered functional connectivity within specific brain networks.
  • A unifying "positive-negative" dimension correlating connectivity with behavioral symptoms was identified.

Conclusions:

  • Functional brain network connectivity is linked to PCS and associated behavioral impairments in children post-mTBI.
  • This connectivity-behavior dimension offers potential for improved prognosis and tailored therapeutic strategies for pediatric mTBI.

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