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Background. Inhibitory control deficits may be one important cause for smartphone addiction. The available studies have shown that acute aerobic exercise may improve the inhibitory control. However, there is still lack of research on how regimens of an acute exercise affect this inhibitory control. The present study was to examine the effects of an acute aerobic exercise at three different exercise intensities on changes in the inhibitory control function including response inhibition and interference control in college students with smartphone addiction. Methods. Participants (n = 30; age 20.03 ± 0.96 years) with smartphone addiction were identified by the Mobile Phone Addiction Tendency Scale for College Students and randomized to study 1 and study 2 with 15 individuals each. Fifteen participants in study 1 were tested by the Go/NoGo task to explore the response inhibition, while other fifteen in study 2 were tested by the Flanker task to examine the interference control. The participants in study 1 and 2 were randomly assigned to three groups (5 in each) with exercising at low, moderate, and high intensity. The individual response inhibition and interference control were measured before and after 30 minutes acute aerobic exercise, respectively. Results. In study 1, the accuracy of NoGo stimulus after 30 minutes of acute aerobic exercise was significantly increased p ≤ 0.001 while the response time (RT) of Go stimulus was significantly decreased p ≤ 0.001 . The largest changes occurred in the moderate-intensity group for the accuracy of NoGo stimulus p = 0.012 and for the RT of Go stimulus p ≤ 0.001 . The results in study 2 showed no significant change in all three groups after exercise. Conclusions. 30 minutes of acute aerobic exercise could effectively elicit changes of the response inhibition in college students with smartphone addiction. The largest improvement was observed in the moderate intensity of an acute aerobic exercise in college students with smartphone addiction.
Fan et al. (Thu,) studied this question.