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Atypical procedural learning skills in children with Developmental Coordination Disorder.

par Van Dyck, Dorine ;Deconinck, Nicolas ;Aeby, Alec ;Baijot, Simon ;Coquelet, Nicolas ;De Tiege, Xavier ;Urbain, Charline
Référence Neuropsychology, development, and cognition. Section C, Child neuropsychology, page (1-23)
Publication Publié, 2022-12

Article révisé par les pairs

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Résumé :

We investigated the procedural learning deficit hypothesis in Developmental Coordination Disorder (DCD) while controlling for global performance such as slower reaction times (RTs) and variability. Procedural (sequence) learning was assessed in 31 children with DCD and 31 age-matched typically developing (TD) children through a serial reaction time task (SRTT). Sequential and random trial conditions were intermixed within five training epochs. Two repeated measures ANOVAs were conducted on a Sequence-Specific Learning Index (SSLI) and a Global Performance Index (GPI, speed/accuracy measure) with Epoch (for SSLI and GPI) and Condition (for GPI) as within-subjects factors, and Group as between-subjects factor. Controlling for RTs differences through normalized RTs, revealed a global reduction of SSLI in children with DCD compared with TD peers suggesting reduced sequence learning skills in DCD. Still, a significant Group x Condition interaction observed on GPI indicated that children from both groups were able to discriminate between sequential and random trials. DCD presented reduced procedural learning skills after controlling for global performance. This finding highlights the importance of considering the general functioning of the child while assessing learning skills in patients.