Although the symptoms of ADHD begin in childhood, ADHD can continue through adolescence and adulthood.
Attention-deficit/hyperactivity disorder (ADHD) is a disorder marked by an ongoing pattern of inattention and/or hyperactivity-impulsivity that interferes with functioning or development.
There are three subtypes of ADHD:
- Hyperactive – Impulsive
Types of ADHD
Inattention: A person wanders off task, lacks persistence, has difficulty sustaining focus, and is disorganized; and these problems are not due to defiance or lack of comprehension.
Hyperactivity – Impulsivity: A person seems to move about constantly, including in situations in which it is not appropriate; or excessively fidgets, taps, or talks. In adults, it may be extreme restlessness or wearing others out with constant activity. An impulsive person may be socially intrusive and excessively interrupt others or make important decisions without considering the long-term consequences.
Combined: This is a mix of inattentive symptoms and hyperactive/impulsive symptoms.
Did You Know?
The median age of diagnosis for mild ADHD was 7 years.
The median age of diagnosis for moderate ADHD was 6 years.
The median age of diagnosis for severe ADHD was 4 years.
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National Institute of Mental Health (2019). Attention-Deficit/Hyperactivity Disorder. Retrieved December 13, 2019, from https://www.nimh.nih.gov/health/topics/attention-deficit-hyperactivity-disorder-adhd/index.shtml