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Related Experiment Videos

Attention function after childhood stroke.

Jeffrey E Max1, Donald A Robin, H Gerry Taylor

  • 1Children's Way, MC# 5033, University of California, San Diego, CA 92123, USA. jmax@ucsd.edu

Journal of the International Neuropsychological Society : JINS
|April 2, 2005
PubMed
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Children with childhood stroke show poorer attention function than controls. Lesion location and size in attention networks impact performance, with earlier strokes causing worse outcomes.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Pediatric Neurology

Background:

  • Childhood stroke can impact cognitive functions, including attention.
  • Understanding the neural basis of attention networks is crucial for diagnosing and treating attention deficits.
  • Previous research suggests early brain insults may lead to long-term neuropsychological deficits.

Purpose of the Study:

  • To investigate attentional outcomes in children with focal stroke lesions compared to medical controls.
  • To examine the relationship between lesion characteristics (location, size, age at acquisition) and attention function.
  • To explore the role of specific attention networks (alerting, orienting, executive) in children with stroke.

Main Methods:

  • Standardized attention assessments and neuroimaging were used in 29 children with focal stroke lesions and matched controls.

Related Experiment Videos

  • Lesion locations were analyzed in relation to Posner's model of attention networks.
  • Performance on the Starry Night test was correlated with lesion size in specific attention networks.

    • Main Results:

    • Children with stroke lesions performed significantly worse on attention tasks compared to controls.
    • Lesion size in alerting and sensory-orienting networks correlated with poorer performance on the Starry Night test.
    • Earlier age at lesion acquisition was associated with poorer attention function, even when controlling for lesion size.

    Conclusions:

    • Findings support the theory of dissociable attention networks in the brain.
    • Early childhood brain insults, like stroke, are linked to worse long-term attention outcomes.
    • Results offer insights into the mechanisms of attention and potential targets for intervention in children with brain damage.