A pursuit of better testing to sort out the complexities of ADHD Review of cognitive testing studies reveals how adding computer simulations could help The introduction of computer simulation to the identification of symptoms in children with attention deficit/hyperactivity disorder (ADHD) has potential to provide an additional objective tool to gauge the presence and severity of behavioral problems, Ohio State University researchers suggest in a new publication. Most mental health disorders are diagnosed and treated based on clinical interviews and questionnaires – and, for about a century, data from cognitive tests has been added to the diagnostic process to help clinicians learn more about how and why people behave in a certain way.