Using longitudinal exposure to causally link smartphone usage to changes in behavior, cognition and right prefrontal neural activity Academic Article uri icon


  • Method Participants lacking any previous experience with Smartphone (nonusers, n= 38) were compared to a matched group of extensive Smartphone users (heavy users, n= 17) on timed arithmetic, response inhibition and monetary delay discounting tasks as well as several behavioral questionnaires. EEG-TMS was used to record long intracortical inhibition (LICI) from the right DLPFC at rest. In the second experimental stage a longitudinal intervention was implemented. Half of the nonusers were randomly selected to receive Smartphone while the remaining half served as the control group. The above tasks were repeated 3 months following this intervention. Results Questionnaire data revealed higher tendency to ADHD like behavior in heavy smartphone users particularly on subscales of impulsivity and hyperactivity (p< 0.01). Heavy users also obtained significantly lower …

publication date

  • January 1, 2015