noun
attention deficit disorder; ADD
Medical term for attention deficit disorder without hyperactivity. Often contrasted with 注意欠陥多動性障害 (ADHD).
See also: 注意欠陥多動性障害
注意欠陥障害は、不注意が主な症状です。
Attention deficit disorder is characterized mainly by inattention.
He was diagnosed with attention deficit disorder.