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Physical Activity Measurement in Children Accepting Table Tennis Training

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Published on: July 27, 2022

Differences in working memory as a function of physical activity in children.

Shu-Shih Hsieh¹, Dennis Fung¹, Heng Tsai²

¹Department of Physical Education.

Neuropsychology

|August 21, 2018

Summary

Children with higher physical activity (PA) demonstrate enhanced working memory, evidenced by better accuracy and faster reaction times. This finding holds even when controlling for intelligence and fitness levels.

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Area of Science:

Child Development
Cognitive Neuroscience
Exercise Science

Background:

Previous studies on physical activity (PA) and working memory in children lacked control for confounders.
Intelligence and fitness-related factors (aerobic and motor fitness) may influence this relationship.

Purpose of the Study:

To investigate the relationship between PA and working memory in children.
To control for intelligence and fitness-related factors as potential confounders.

Main Methods:

Thirty-two children were categorized into higher PA (HP) and lower PA (LP) groups based on accelerometer data.
Working memory was assessed using a delayed-matching test, with event-related potentials (P3, PSW) recorded.

Main Results:

The HP group exhibited superior response accuracy and shorter reaction times in the delayed condition compared to the LP group.
Neuroelectric measures showed distinct patterns: HP group had stable P3 amplitudes, while LP group showed reduced P3 in the delayed condition.
The HP group displayed larger positive slow wave (PSW) amplitudes than the LP group.

Conclusions:

Higher physical activity is associated with better working memory in children.
These benefits are observed independently of intelligence and fitness levels, as confirmed by behavioral and neuroelectric data.