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By Age 4 to 5

Question 39

Multiple Choice

By age 4 to 5,


A) preschoolers show declines in sustained attention.
B) the number of synapses in the prefrontal cortex is nearly double the adult value.
C) energy metabolism in the cerebral cortex is at an all-time low.
D) synaptic pruning decreases sharply, reaching an adultlike level.

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