Can limiting bedtime smartphone use improve next-day working memory among undergraduates with problematic smartphone
Zhihao Tu1, Jingwen He2, Ziying Wang3
1Navy Special Medical Center, Naval Medical University, Shanghai, 200433, China; Qingdao Special Servicemen Recuperation Center of PLA Navy, Qingdao, 266043, China.
Abstract:
This study implemented a longitudinal self-control intervention experiment to examine whether limiting bedtime smartphone use can improve next-day working memory among individuals with problematic smartphone use (PSU). 156 Chinese undergraduates with PSU completed the 6-day experiment (3 nights for intervention condition and 2 nights for control condition). All participants were asked to complete N-back tests in the afternoon everyday during the experiment. The results indicated that limiting smartphone use in bed improved next-day working memory. Therefore, limiting smartphone use in bed is a potential remedy for daily cognitive impairments induced by PSU.
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