After learning how to play the violin:
A. Large, diffuse regions of the brain show increased activity.
B. Small, distinct regions of the brain show increased activity.
C. Small, distinct regions of the brain show increased activity while playing the flute.
D. None of the above
ANS: B
Rationale: With repetition of a task, a reduction in the number of active regions occurs in the brain. Eventually, when a motor task is learned, only small, distinct regions of the brain show increased activity when performing the task. For example, learning to play a musical instrument requires numerous brain regions. As skill increases, fewer areas are activated because less attention is required, motor control is optimized, and only the brain areas required to perform the task efficiently are active. Eventually, playing the instrument requires only a few small, specific regions.
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