Watkins, using transcranial magnetic stimulation, found that motor-evoked potentials were highest when the participant
A) listened to speech sounds.
B) listened to non-speech sounds.
C) watched someone else's lip movements make speech sounds.
D) both heard speech sounds and watched someone else's lips make speech sounds.

Question

Quizplus · Accepted Answer

Watkins found that motor-evoked potentials were highest when the participant both heard speech sounds and watched someone else's lips make speech sounds. This suggests that both auditory and visual inputs are important for speech perception and production.

Watkins, Using Transcranial Magnetic Stimulation, Found That Motor-Evoked Potentials Were