Effect of restricting bedtime mobile phone use on sleep, arousal, mood, and working memory: A randomized pilot trial
Fig 4
The change in n-back after the intervention.
A, 0-back ACC at baseline and at the end of intervention. B, 0-back RT at baseline and at the end of intervention. C, 1-back ACC at baseline and at the end of intervention. D, 1-back RT at baseline and at the end of intervention. E, 2-back ACC at baseline and at the end of intervention. F, 2-back RT at baseline and at the end of intervention. ACC, accuracy; RT, reaction time. Intervention group is designated with a white square; control group is designated with a black square. *p<0.05. **p<0.01.