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Investigations on Alterations of Hippocampal Circuit Function Following Mild Traumatic Brain Injury
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Executive Functions and Their Relation to Sleep Following Mild Traumatic Brain Injury in Preschoolers

Catherine Landry-Roy1, Annie Bernier1, Jocelyn Gravel1

  • 11Department of Psychology,University of Montreal,Quebec,Canada.

Journal of the International Neuropsychological Society : JINS
|August 17, 2018
PubMed

Insights

Children with mild traumatic brain injury (TBI) and sleep problems show poorer executive functions. Addressing sleep issues after childhood TBI is crucial for cognitive development.

Area of Science:

  • Pediatric neurology
  • Developmental psychology
  • Sleep science

Background:

  • Childhood traumatic brain injury (TBI) impacts executive functioning.
  • Preschool TBI effects on executive function and the role of sleep are understudied.
  • Sleep disturbances are known to impair executive functions in healthy children.

Purpose of the Study:

  • Investigate executive functions in preschoolers with mild TBI.
  • Determine the role of sleep in the relationship between TBI and executive functioning.

Main Methods:

  • Longitudinal study of 167 children (18-60 months).
  • Groups: mild TBI (n=84) and typically developing (n=83).
  • Assessment at 6 months post-injury: executive functions (inhibition, cognitive flexibility), sleep (actigraphy, parental ratings).

Main Results:

  • No group differences in overall executive abilities.
  • Children with mild TBI experiencing shorter nighttime sleep or more sleep problems showed poorer executive functions compared to controls.

Conclusions:

  • Findings support a "double hazard" effect: combined sleep disturbances and mild TBI worsen executive functions.
  • Highlights the importance of assessing and monitoring sleep quality post-mild TBI in children.
  • Poor sleep may increase the risk of cognitive difficulties in children after TBI.
Abstract

Keywords:
Brain injuriesChildCognitionExecutive functionPreschoolSleep

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