Increased visual bias in children with developmental coordination disorder: Evidence from a visual-tactile temporal order judgment task

Satoshi Nobusako, Michihiro Osumi, Emi Furukawa, Akio Nakai, Takaki Maeda, Shu Morioka

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Previous studies have suggested that children with developmental coordination disorder (DCD) rely heavily on vision to perform movements, which may contribute to their clumsy movements. However, few studies have objectively and quantitatively investigated the perceptual biases of children with DCD. Methods: A visual-tactile temporal order judgment (TOJ) task was used to measure and compare the perceptual biases of 19 children with DCD and 19 age- and sex-matched typically developing children. The point of subjective equality, which demonstrates when “visual first” and “tactile first” judgment probabilities are equal (50%), obtained by analyzing the results of the visual-tactile TOJ task, was used as an indicator of perceptual biases. Further, variables (age and manual dexterity in all participants; motor function, autism spectrum disorder and attention-deficit hyperactivity disorder traits, and depressive symptoms in children with DCD) associated with perceptual biases were examined with correlation analysis. Results: Children with DCD had significantly stronger visual bias than typically developing children. Overall correlation analysis showed that increased visual bias was significantly correlated with poor manual dexterity. Conclusion: Children with DCD had a strong visual bias, which was associated with poor manual dexterity.

Original languageEnglish
Article number102743
JournalHuman Movement Science
Volume75
DOIs
Publication statusPublished - 2021 Feb

Keywords

  • Developmental coordination disorder
  • Manual dexterity
  • Perceptual biases
  • Tactile and visual
  • Temporal order judgment task

ASJC Scopus subject areas

  • Biophysics
  • Orthopedics and Sports Medicine
  • Experimental and Cognitive Psychology

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