Frank was tested by the school psychologist and diagnosed with attention deficit hyperactivity disorder (ADHD). The test results have been explained to his parents. His parents are curious as to brain involvement and ADHD. The school psychologist informs them that .

The school informs frank.s parents that some research can indicate that ADHD is related to one of the most common mental disorders affecting children which is 'a delay in neural development'.

Explanation:

Attention deficit hyperactivity disorder (ADHD) is a complex neurodevelopmental disorder that can affect a child’s success at school, as well as their relationships. Children with ADHD may be hyperactive and unable control their impulses. Or they may also have trouble paying attention. These behaviors interfere with school and home life.

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united states government;