Which Statement Reflects Findings on Brain Associations to Children's Performance

Which statement reflects findings on brain associations to children's performance on Piaget's tasks of conservation?

A) Most children are unsuccessful on Piagetian tasks since brain region connectivity is limited.
B) Children showed no difference in brain activity when completing traditional conservation tasks.
C) Children who failed conservation tasks showed greater coordinated brain activity.
D) Children who succeeded at higher order thinking tasks showed reduced gray matter.
E) Children who succeeded on the tasks had more coordinated brain activity than those who failed.