Paul Broca performed an autopsy of the brain of a patient who had been unable to speak after suffering a stroke. Broca concluded that
a. the control of speech is a function of the left hemisphere.
b. the pineal body controls speech production.
c. damage to the right hemisphere impairs speech.
d. muscle atrophy after a stroke is the result of a fluid pressure drop in the ventricles.
e. the corpus callosum is critical for speech production.
Answer: a. the control of speech is a function of the left hemisphere.
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