Attention Deficit Hyperactivity Disorder (ADHD)

  • Citations
  • Add to My List
  • Text Size

  • Entry
  • Entries A-Z

  • A developmental disorder exhibited by 3% to 7% of children, most commonly boys. Symptoms include impulsivity, concentration difficulties, and excessive motor activity. Three subtypes exist: primarily inattentive, primarily impulsive, and combined inattention and impulsivity. Due to their impulsivity, children's learning is usually impaired, leading to poor performance on clinical tests of attention, memory, decision making, and other cognitive processing tasks. Although genetic predisposition appears to play an important role in the etiology of this disorder, postnatal brain damage, lead poisoning, and low birth weight have been ascribed a causal role. Evaluations of active or hyperactive children vary across cultural contexts due to differing norms, and this results in differing prevalence across cultures. ADHD can be treated successfully with medication and/or psychother apy. Drugs such as ...

    Looks like you do not have access to this content.


    Don’t know how to login?

    Click here for free trial login.

    • [0-9]
    • A
    • B
    • C
    • D
    • E
    • F
    • G
    • H
    • I
    • J
    • K
    • L
    • M
    • N
    • O
    • P
    • Q
    • R
    • S
    • T
    • U
    • V
    • W
    • X
    • Y
    • Z

    Back to Top

    Copy and paste the following HTML into your website