Answer:
some research indicates that ADHD is related to a delay in neural development
Step-by-step 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.