The predominantly hyperactive-impulsive type is a subtype of Attention-Deficit/Hyperactivity Disorder (ADHD) characterized primarily by hyperactive and impulsive behaviors, rather than significant inattention. Individuals with this type often display excessive fidgeting, difficulty remaining seated, and impulsive decision-making. This subtype highlights the importance of recognizing the diverse manifestations of ADHD, emphasizing the behavioral patterns that can interfere with daily functioning.