All of the following have been proposed to be contributing factors to attention deficit-hyperactivity disorder EXCEPT:
A)abnormalities in the caudate nucleus
B)abnormalities in the globus pallidus
C)decreased activity in the frontal lobe
D)early myelination of the frontal lobe

Question

Quizplus · Accepted Answer

Children with ADHD have been found to have reduced activity and metabolic abnormalities in the frontal lobe.Because the frontal lobe is the last cortical area to be myelinated,it has been suggested that the late myelination could be a contributing factor.

All of the Following Have Been Proposed to Be Contributing