Attention-deficit hyperactivity disorder history and symptoms
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Charmaine Patel, M.D. [2]
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Differentiating Attention-Deficit Hyperactivity Disorder from other Diseases |
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Overview
The most common symptoms of ADHD include chronic and long-lasting hyperactivity, impulsivity, and inattention.[1]
History
Common symptoms
The primary symptoms of ADHD are inattention, hyperactivity, and impulsivity. While healthy people may exhibit these characteristics on occasion, they appear more frequently and in a more severe form in people with ADD/ADHD, and they often interfere with the patient’s academic or professional performance.[1]
Inattention means means 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. Inattention may manifest itself as:
- Overlooking details or making careless mistakes;
- Struggling to pay attention during lectures, conversations, or lengthy readings;
- Appearing not to be listening while being spoken to directly;
- Quickly losing focus and being easily distracted from the tasks at hand;
- Avoiding or disliking tasks that require sustained mental effort; and/or
- Being forgetful or easily distracted in daily activities, such as chores or errands.