Attention Deficit Hyperactive Disorder (ADHD): definition Posted by: Cleo Libonati, RN, BSN in DICTIONARY 0 1,993 Views Hello. The following content is for subscribers. Please click here to get access! Already a subscriber? Please login below… Email address Password Forgot password? Attention Deficit Hyperactive Disorder (ADHD) Dictionary Nervous System Disorders 2013-09-04 Cleo Libonati, RN, BSN