Your friend Devin, who is right-handed, has played the violin for almost 20 years. If you conducted an MRI scan of Devin's brain, you would expect to see an increase in the size of his:
A)hand region in the motor cortex in the left hemisphere.
B)basal ganglia in the left hemisphere.
C)hand region in the motor cortex in the right hemisphere.
D)cerebellum in the right hemisphere.

Question

Quizplus · Accepted Answer

The motor cortex in the left hemisphere controls the right hand, which Devin predominantly uses to play the violin. Years of practice would likely lead to an increase in the size of this region due to neuroplasticity.

Your Friend Devin, Who Is Right-Handed, Has Played the Violin