Using electrical stimulation,Penfield was able to show that stimulation of what later became known as the supplementary speech area caused:
A) auditory hallucinations (i.e. ,hearing voices).
B) the patient to produce meaningless sentences.
C) speech arrest.
D) sensations in the mouth and tongue.

Question

Quizplus · Accepted Answer

Penfield's stimulation of the supplementary speech area caused speech arrest, meaning the patient was unable to produce speech. Therefore, choice C is the correct answer. Choices A and B are incorrect because they describe the effects of stimulation in other areas, and choice D is incorrect because it describes sensations in the mouth and tongue which are not associated with the supplementary speech area.

Using Electrical Stimulation,Penfield Was Able to Show That Stimulation of What