Hollins SH, DeLoss J, Canadas E, et al. Lancet Digital Health. Open Access. Published:February 24, 2020DOI:https://doi.org/10.1016/S2589-7500(20)30017-0

This study provides preliminary evidence of the effectiveness of a digital intervention for 8-12 year old children with Attention Deficit and Hyperactivity Disorder (ADHD).  The intervention was able to improve attention and was well received by users with minimal adverse effects such as headache and frustration.

https://www.thelancet.com/journals/landig/article/PIIS2589-7500(20)30017-0/fulltext#seccestitle10