ADHD 1 Adolescent 1 Article 1 Attention 1 Attention Deficit Disorder with Hyperactivity 1 Child 1 Cognition 1 Cognitive Behavioral Therapy 1 Cognitive remediation 1 Cognitive training 1 Computer training 1 DSM-IV 1 Denmark 1 Executive Function 1 Executive function training 1 Female 1 Humans 1 Male 1 Non-pharmacological treatment Parents 1 Schedule for Affective Disorders and Schizophrenia 1 Single-Blind Method 1 Therapy, Computer-Assisted 1 Treatment Outcome 1 Video Games 1 adolescent 1 attention 1 attention deficit disorder 1 child 1 child parent relation 1