The neurophysiological performance of visuospatial working memory in children with developmental coordination disorder

Chia Liang Tsai*, Yu Kai Chang, Tsung Min Hung, Yu Ting Tseng, Tzu Chi Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

43 Citations (Scopus)


Aim The objective of this study was to investigate the mechanisms underlying the deficit in visuospatial working memory (VSWM) seen in children with developmental coordination disorder (DCD) and to compare brain activity while performing a VSWM task in children with DCD and typically developing children. Method Behavioural performance and event-related potentials (ERPs) were recorded in 24 children (12 males, 12 females; mean age 139mo, SD 4mo) with DCD (as determined by a score <5th centile on the Movement Assessment Battery for Children - Second Edition) and in 30 age- and sex-matched typically developing children (15 males; 15 females; mean age 140mo, SD 5mo) recruited from local schools, while performing one spatial non-delay and two time-delayed spatial memory tasks. Results Compared with typically developing children, children with DCD exhibited longer reaction times (p=0.022; partial η2=0.10) and lower accuracy rates (p<0.001; partial η2=0.35) on the two spatial memory tasks. Electrophysiological indices also showed distinct modulatory effects, with children with DCD exhibiting smaller P3 (p<0.001; partial η2=0.26) and positive slow wave (pSW; p=0.003; partial η2=0.16) amplitude and a smaller area under the curve of P3 and pSW components (p=0.002; partial η2=0.17). Interpretation The combined analysis of behavioural performance and ERP data suggests that children with DCD have deficits of visuospatial working memory owing to fewer resources being allocated to comparison of spatial locations, less effort allotted to the response selection, and less neural processing employed during the retrieval process phase.

Original languageEnglish
Pages (from-to)1114-1120
Number of pages7
JournalDevelopmental Medicine and Child Neurology
Issue number12
Publication statusPublished - 2012 Dec

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Developmental Neuroscience
  • Clinical Neurology


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