This document discusses attention deficit disorder (ADHD). It begins by stating the objectives are to understand the physical nature of ADHD and know screening tools for diagnosis. It then discusses why ADHD is studied, listing that symptoms persist into adulthood for most and increase risks like substance abuse. Key symptoms include inattention, hyperactivity, and impairment across settings. Common vulnerabilities, strengths, differential diagnosis, and screening tools are also outlined. The document concludes with a sample daily goal form for students to track their classroom participation.