Din smarta mobiltelefon gör dig korkad
The results showed a surprisingly strong case for leaving your phone somewhere else when you want to perform well on a task. The two groups of participants who kept phones nearby either on a desk or in a bag showed lower working memory capacity (the ability to remember information temporarily) and a lower functional fluid intelligence (the ability to solve new problems and see patterns).
Förbud för mobiltelefoner i skolorna verkar ju inte som en allt för dum idé.