Most adults ADHD symptoms have the inattentive-type, but men exhibit a tendency towards the hyperactive/impulsive-type symptoms and have predominantly the combined-type. Adult ADHD can vary widely between individuals and throughout the lifetime of an individual. As the neurobiology of ADHD is becoming increasingly understood, it is becoming evident that difficulties exhibited by individuals with ADHD are due to problems with the brain known as executive functioning (see below, neurobiology). These result in problems with sustaining attention, planning, organizing, prioritizing, and impulsive
adults ADHD symptoms