Attention-Deficit / Hyperactivity Disorder (ADD, ADHD) By Stephen Brian Sulkes, MD, Golisano Children's Hospital at Strong, University of Rochester School of Medicine and Dentistry Reviewed / Revised Feb 2022 | Modified Sep 2022 View Patient Education Symptoms and Signs Diagnosis Prognosis Treatment Key Points More Information Topic Resources Overview of Attention-Deficit / Hyp.. Attention-deficit / hyperactivity disorder (ADHD) is a syndrome of inattention, hyperactivity, and impulsivity.