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Question
Which of the following statements about cognitive changes in emerging adulthood is true?
A)Pruning of synapses and myelination of stimulated neural fibers continue at a faster pace than in adolescence.
B)Fine-tuning of the prefrontal cognitive control network is complete by age 20 to 22.
C)As young people become increasingly proficient in a chosen field of endeavor, the cerebral cortex undergoes further experience-dependent brain growth.
D)Structural changes in the brain occur as greater knowledge and refinement of skills results in less cortical tissue devoted to the task.
Answer
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