Manual dexterity is not related to media viewing but is related to perceptual bias in school-age children

Satoshi Nobusako, Taeko Tsujimoto, Ayami Sakai, Takashi Shuto, Emi Furukawa, Michihiro Osumi, Akio Nakai, Takaki Maeda, Shu Morioka

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Although the media can have both negative and positive effects on children’s cognitive and motor functions, its influence on their perceptual bias and manual dexterity is unclear. Thus, we investigated the association between media viewing time, media preference level, perceptual bias, and manual dexterity in 100 school-aged children. Questionnaires completed by children and their parents were used to ascertain media viewing time and preference levels. Perceptual bias and manual dexterity were measured using the visual-tactile temporal order judgment task and Movement Assessment Battery for Children—2nd edition, respectively. There were significant positive correlations between age and media viewing time and between media viewing time and media preference level. There was also a significant negative correlation between visual bias and manual dexterity. Hierarchical multiple regression analysis revealed that increasing visual bias was a significant predictor of decreasing manual dexterity. Further, children with low manual dexterity showed significant visual bias compared to those with high manual dexterity, when matched for age and gender. The present results demonstrated that, in school-aged children, although viewing media was not associated with perceptual bias and manual dexterity, there was a significant association between perceptual bias and manual dexterity.

Original languageEnglish
Article number100
JournalBrain Sciences
Issue number2
Publication statusPublished - 2020 Feb


  • Manual dexterity
  • Media preference level
  • Media viewing time
  • Perceptual bias
  • School-age children
  • Temporal order judgment (TOJ) task

ASJC Scopus subject areas

  • Neuroscience(all)


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