ArticleDevelopmental medicine and child neurology2026
Variability of motor imagery in children with cerebral palsy examined using the Hand Laterality Test.
Article in Developmental medicine and child neurology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Variability of motor imagery in children with cerebral palsy examined using the Hand Laterality Test.Developmental medicine and child neurology · 2026Article
- Variability as a marker of motor imagery in cerebral palsy: Between intention and action.Developmental medicine and child neurology · 2026Article
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4 authors.
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Abstract
aimTo examine motor imagery performance in children with cerebral palsy (CP) compared to typically developing children and develop a composite motor imagery score to differentiate between the two groups.
methodIn this cross-sectional case-control study, 37 participants (17 with CP, 20 typically developing, aged 10-20 years; 22 females) completed the Hand Laterality Task (HLT), judging hand laterality at several rotation angles. Mixed-effects models were used to compare HLT outcomes (reaction time and accuracy) across groups. A composite score was developed to differentiate children with CP from typically developing children. Model performance was evaluated using internal validation with 100 random 70/30 train-test partitions, with classification metrics (mean area under the curve [AUC], accuracy, sensitivity, specificity, precision, F1 score) averaged across iterations.
resultsChildren with CP exhibited lower accuracy (p = 0.002) and higher reaction time variability (p < 0.001) than typically developing children, with no significant reaction time differences (p = 0.46). Among multiple models evaluated, the composite score combining accuracy and reaction time variability achieved the best performance compared to models using single parameters. Across 100 random train-test splits, the model demonstrated a mean (SD) of: AUC = 0.89 (0.09), accuracy = 81% (11%), sensitivity = 81% (19%), and specificity = 84% (18%).
interpretationThe composite score differentiated motor imagery performance in children with CP from that of typically developing children. The findings provide initial evidence for reaction time variability as a distinguishing feature, warranting further research to develop targeted rehabilitation strategies. The findings may also promote clinical use of the HLT for motor imagery.
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