When clinical psychologist Maggie Sibley thinks about the impact of the coronavirus pandemic on children and adolescents with attention-deficit/hyperactivity disorder, she worries most about the older teens who may drop out of high school and those kids who may be experiencing depression...In a study published online Feb. 14 in the Journal of Psychiatric Research, Sibley and others looked at a group of 134 adolescents and young adults, and found they reported problems with social isolation, difficulties engaging in online learning, motivation issues and boredom that increased during the pandemic.