attention deficit disorder

英：[əˈtenʃən ˈdefisit disˈɔ:də]

美：[əˈtɛnʃən ˈdɛfɪsɪt dɪsˈɔrdɚ]

noun

a developmental disorder that is marked especially by persistent symptoms of inattention (such as distractibility, forgetfulness, or disorganization) or by symptoms of hyperactivity and impulsivity (such as fidgeting, speaking out of turn, or restlessness) or by symptoms of all three and that is not caused by any serious underlying physical or mental disorderNote: Symptoms of attention deficit disorder range from mild to severe and always interfere with normal development and daily functioning. A diagnosis of attention deficit disorder typically requires that symptoms be present by the age of 12 and in more than one setting (such as both home and school). Attention deficit disorder may persist into adulthood, creating difficulties in one's occupation or social relationships. While hyperactivity and impulsivity are not always present as symptoms, attention deficit disorder is commonly referred to as attention deficit hyperactivity disorder. —abbreviation ADD

(缩写为 ADD), 于1980年第三版《精神障碍诊断与统计手册》中作为一种诊断引入，源自于 attention 的“心理集中力量”的意义。在 DSM-III（1987）中扩展为 attention deficit hyperactivity disorder（“注意力问题和多动症的共存，每种行为单独出现的频率较低； ” ADHD）。

注意障碍

又称 :注意障碍(ADD)

The first known use of attention deficit disorder was in 1978

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a polite expression of one's gratitude

e-booknoun

a book composed in or converted to a digital format for display on a computer screen or handheld device

irrespective ofpreposition

without regard to

attention deficit disordernoun

a condition that is characterized by an inability to maintain attention or by excessively active and impulsive behavior or by a combination of both and that interferes with one's ability to function in school, home, work, or with others

attention deficit disordernoun

a developmental disorder that is marked especially by persistent symptoms of inattention (such as distractibility, forgetfulness, or disorganization) or by symptoms of hyperactivity and impulsivity (such as fidgeting, speaking out of turn, or restlessness) or by symptoms of all three and that is not caused by any serious underlying physical or mental disorderNote: Symptoms of attention deficit disorder range from mild to severe and always interfere with normal development and daily functioning. A diagnosis of attention deficit disorder typically requires that symptoms be present by the age of 12 and in more than one setting (such as both home and school). Attention deficit disorder may persist into adulthood, creating difficulties in one's occupation or social relationships. While hyperactivity and impulsivity are not always present as symptoms, attention deficit disorder is commonly referred to as attention deficit hyperactivity disorder. —abbreviation ADD

Three percent to 10 percent of children are estimated to have attention deficit disorder, and the problem is more common in boys than in girls.—The Springfield (Massachusetts) Union-News