The associations of objectively measured physical activity and sedentary time with cognitive functions in school-aged children
Syväoja, H., Tammelin, T. H., Ahonen, T., Kankaanpää, A., & Kantomaa, M. T. (2014). The associations of objectively measured physical activity and sedentary time with cognitive functions in school-aged children. PLOS ONE, 9(7), Article e103559. https://doi.org/10.1371/journal.pone.0103559
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2014Copyright
© 2014 Syväoja et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits
unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Publisher PLoS ONE.
Abstract.
Low levels of physical activity among children have raised concerns over the effects of a physically inactive lifestyle, not only
on physical health but also on cognitive prerequisites of learning. This study examined how objectively measured and self-
reported physical activity and sedentary behavior are associated with cognitive functions in school-aged children. The study
population consisted of 224 children from five schools in the Jyva
̈
skyla
̈
school district in Finland (mean age 12.2 years; 56%
girls), who participated in the study in the spring of 2011. Physical activity and sedentary time were measured objectively for
seven consecutive days using the ActiGraph GT1M/GT3X accelerometer. Self-reported moderate to vigorous physical
activity (MVPA) and screen time were evaluated with the questions used in the ‘‘WHO Health Behavior in School-aged
Children’’ study. Cognitive functions including visual memory, executive functions and attention were evaluated with a
computerized Cambridge Neuropsychological Test Automated Battery by using five different tests. Structural equation
modeling was applied to examine how objectively measured and self-reported MVPA and sedentary behavior were
associated with cognitive functions. High levels of objectively measured MVPA were associated with good performance in
the reaction time test. High levels of objectively measured sedentary time were associated with good performance in the
sustained attention test. Objectively measured MVPA and sedentary time were not associated with other measures of
cognitive functions. High amount of self-reported computer/video game play was associated with weaker performance in
working memory test, whereas high amount of computer use was associated with weaker performance in test measuring
shifting and flexibility of attention. Self-reported physical activity and total screen time were not associated with any
measures of cognitive functions. The results of the present study propose that physical activity may benefit attentional
processes. However, excessive video game play and computer use may have unfavorable influence on cognitive functions.
...
Publisher
Public Library of ScienceISSN Search the Publication Forum
1932-6203
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http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0103559Publication in research information system
https://converis.jyu.fi/converis/portal/detail/Publication/23771199
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