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Event-related Potentials During Target-response Tasks to Study Cognitive Processes of Upper Limb Use in Children with Unilateral Cerebral Palsy
08:26

Event-related Potentials During Target-response Tasks to Study Cognitive Processes of Upper Limb Use in Children with Unilateral Cerebral Palsy

Published on: January 11, 2016

Hand function in relation to brain lesions and corticomotor-projection pattern in children with unilateral cerebral

Linda Holmström1, Brigitte Vollmer, Kristina Tedroff

  • 1Department of Woman and Child Health, Karolinska Institutet/Karolinska University Hospital, Stockholm, Sweden. linda.holmstrom@ki.se

Developmental Medicine and Child Neurology
|October 8, 2009
PubMed

Insights

Children with unilateral cerebral palsy (CP) show varied hand function based on brain lesion type and corticomotor projections. Combining MRI and TMS aids in predicting hand function for better treatment planning.

Area of Science:

  • Neuroscience
  • Pediatric Neurology
  • Rehabilitation Medicine

Background:

  • Unilateral cerebral palsy (CP) affects motor control, particularly hand function.
  • Understanding the relationship between brain structure, neural pathways, and functional outcomes is crucial for effective interventions.

Purpose of the Study:

  • To explore the links between hand function, brain lesions, and corticomotor pathways in children with unilateral CP.
  • To determine how lesion characteristics and motor projection organization influence hand dexterity.

Main Methods:

  • The study involved 17 children (mean age 11.4 years) with unilateral CP (GMFCS I, MACS I/II).
  • Hand function was evaluated using the Box and Blocks test and Assisting Hand Assessment (AHA).
  • Brain lesions were assessed via MRI, and corticomotor projections were mapped using transcranial magnetic stimulation (TMS).

Main Results:

  • Favorable hand function correlated with mild white-matter damage and contralateral motor projections.
  • Ipsilateral projections were associated with more impaired hand function, though a range of abilities existed.
  • Lesion extent and location influenced motor projection patterns, but not lesion type.

Conclusions:

  • Integrating MRI and TMS data enhances the prediction of hand function in unilateral CP.
  • Significant variability in hand function exists across different motor projection patterns.
  • Identifying specific patterns, even those with impaired function, is vital for tailored treatment strategies.
Abstract

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