Symptoms of ADHD:  In determining a diagnosis of ADHD professionals must consider if the behaviors are impairing, excessive, long-term and pervasive, in respect to people the same age, and across different settings (such as school and home).  The symptoms of ADHD in children can change over time especially as they grow.  As children enter adolescence the diagnosis of ADHD tends to change, the hyperactivity-impulsivity diminishes but inattentive and disorganized patterns continue.  This may be due to hormonal changes.  The severity of the impairment may indicate later life dysfunction.   The following are symptoms of ADHD: Inattention Inattention refers to an individual’s inability to pay attention to details and have difficulties in keeping their mind focused on one task.  Also, individuals may seem to have listening or organizational problems and are easily distracted.  They may also avoid or dislike tasks that require mental effort.   Hyperactivity-Impulsivity Hyperactivity-Impulsivity implies that individuals are always fidgeting, squirming, and seem to be always in motion.  They may have difficulties playing quietly, waiting for their turn and bounce around from one activity to the next.  Additionally, individuals may not have the capacity to think before they act, they may grab toys or act out in aggression when they are upset.