テレビゲームおよび健康持久走の生体機能に及ぼす影響

概要

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To estimate the differences between the influences of mental and physical load, a comparative study was made for one hour of TV-game-playing (TVG) versus jogging (JG). The subjects were 11 healthy male students aged 18-22 years old. Changes in biological functions due to the influences of TVG and JG were investigated using tests of the function of maintaining concentration (TAF), critical flicker fusion (FF), aesthesiometry (Es), blocking in continuous color-naming (Bl), dot-counting (Dc) and brain excitation levels (B.E.L.). Measurements were also made of the 30 subjective symptoms proposed as a measure of fatigue by the Japan Association of Industrial Health (Sub. Symp.), blood pressure (BP) and heart rate (HR).The results obtained were as follows:1) Average TAF-L and TAF-D values tended to decrease after TVG and JG.2) In the tests of FF, Es, Bl and B.E.L., average values tended to decrease after TVG, but increased after JG. Results, however, were not significant.3) For subjective symptoms, the frequency of complaints of item II, namely, difficulty in concentration, showed a significant increase after TVG.4) Blood pressure and heart rate were generally higher in TVG subjects in comparison to those at rest. However, it appeared that individual difference as well as game content affected these levels.