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

Multiple Choice

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.