In some cases, children who enjoy learning may develop a sense of fear when faced with structured or planned work, especially long or group-based assignments that require extended focus, even if they thoroughly understand the topic.Children with ADHD may be at greater risk of academic failures and early withdrawal from school.However, the core problems of ADHD do not disappear with age.
Attention dating deficit disorder
that some of the symptoms of ADHD present in childhood appear to be less overt in adulthood.
This is likely due to an adult's ability to make cognitive adjustments and develop compensating or coping skills to minimize the impact of inattentive or hyperactive symptoms.
In the United Kingdom, diagnosis is based on quite a narrow set of symptoms, and about 0.5–1% of children are thought to have attention or hyperactivity problems.
The DSM-5 allows for diagnosis of the predominantly inattentive presentations of ADHD (code 314.00) if the individual presents six or more (five for adults) of the following symptoms of inattention for at least six months to a point that is disruptive and inappropriate for developmental level: An ADHD diagnosis is contingent upon the symptoms of impairment presenting themselves in two or more settings (e.g., at school or work and at home).
It was formerly known as attention deficit disorder (without hyperactivity), but the term was formally changed in 1994 in the Diagnostic and Statistical Manual of Mental Disorders, fourth edition (DSM-IV), to "ADHD predominantly inattentive" (ADHD-PI).