期刊
HUMAN MOVEMENT SCIENCE
卷 42, 期 -, 页码 318-332出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.humov.2015.03.008
关键词
Handwriting; Motor learning; Graphic tablet; Intra-individual variability
资金
- Aix-Marseille University
- French National Research Agency [ANR-13-APPR-0010-04]
The aim of the present study was to analyze handwriting difficulties in children with developmental coordination disorder (DCD) and investigate the hypothesis that a deficit in procedural learning could help to explain them. The experimental set-up was designed to compare the performances of children with DCD with those of a non-DCD group on tasks that rely on motor learning in different ways, namely handwriting and learning a new letter. Ten children with DCD and 10 non-DCD children, aged 8-10 years, were asked to perform handwriting tasks (letter/word/sentence; normal/fast), and a learning task (new letter) on a graphic tablet. The BHK concise assessment scale for children's handwriting was used to evaluate their handwriting quality. Results showed that both the handwriting and learning tasks differentiated between the groups. Furthermore, when speed or length constraints were added, handwriting was more impaired in children with DCD than in non-DCD children. Greater intra-individual variability was observed in the group of children with DCD, arguing in favor of a deficit in motor pattern stabilization. The results of this study could support both the hypothesis of a deficit in procedural learning and the hypothesis of neuromotor noise in DCD. (C) 2015 Elsevier B.V. All rights reserved.
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