Which of the following statements about brain development in early childhood is true?
A) Activity in the right hemisphere increases steadily throughout early and middle childhood for most children.
B) The left hemisphere is relatively inactive between 3 and 6 years.
C) By age 4, most parts of the cerebral cortex have underproduced synapses.
D) Between ages 2 and 6, energy consumption of most cortical regions diminishes to near-adult levels.
A
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