Definition
Attention-deficit hyperactivity disorder, or ADHD, is a developmental
disorder usually associated with children but increasingly recognized
in adults too. People with ADHD are easily distracted, have trouble
focusing or paying attention, are disorganized, and frequently behave in
impulsive ways.
The disorder has been known to doctors for over a century. The earliest
description of it was written by a German doctor in 1845, about his
own son. In 1902 a British doctor named George Still gave a series of lectures
to other doctors, in which he described children who would now be
called hyperactive and impulsive. Still thought that the disorder might be
genetic in origin. He emphasized the fact that the behavioral problems in
these children did not result from bad parenting.
There are three basic types of ADHD: inattentiveness; impulsiveness;
and a combination of the two.
disorder usually associated with children but increasingly recognized
in adults too. People with ADHD are easily distracted, have trouble
focusing or paying attention, are disorganized, and frequently behave in
impulsive ways.
The disorder has been known to doctors for over a century. The earliest
description of it was written by a German doctor in 1845, about his
own son. In 1902 a British doctor named George Still gave a series of lectures
to other doctors, in which he described children who would now be
called hyperactive and impulsive. Still thought that the disorder might be
genetic in origin. He emphasized the fact that the behavioral problems in
these children did not result from bad parenting.
There are three basic types of ADHD: inattentiveness; impulsiveness;
and a combination of the two.
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