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 .
a) some research indicates that ADHD is related to a delay in neural development
b) there is little research to link ADHD with specific brain involvement
c) if there is a lag in neural functioning, it will decline with age
d) ADHD would be considered a developmental delay

some research indicates that ADHD is related to a delay in neural development

Explanation:

Attention deficit hyperactivity disorder (ADHD) is the more common neurobehavioral disorders of childhood, characterized by inattention, impulsivity and hyperactivity. Attention Deficit Hyperactivity Disorder (ADHD) is due to a delay in brain development of the cortical surface in frontal brain regions in children with ADHD. Many children with ADHD has co-morbid developmental problems in motor coordination, language, behavior, sleep, and mood.

Some data based on research from  neuropsychological, behavioral,and brain studies suggested that Attention Deficit Hyperactivity Disorder (ADHD) is related to a developmental lag that reduces with age, other studies have proposed that ADHD represents a deviant brain function.

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