Andrew underwent a Wada test, in which one hemisphere is anesthetized at a time, prior to brain surgery. When his right hemisphere was anesthetized, he was unable to speak. How would Andrew's physicians most likely interpret this result?
A) They must have made a mistake, because language functions are supposed to be managed by the left hemisphere.
B) Andrew must have had a hemispherectomy for Rasmussen's syndrome many years ago.
C) Andrew is one of a minority of people whose language is managed by the right hemisphere.
D) Andrew must be bilingual. It is likely that he will still be able to speak in his other language.

Question

Quizplus · Accepted Answer

While the majority of people do have language functions managed by the left hemisphere, a minority of people do have language functions managed by the right hemisphere. Andrew's inability to speak when his right hemisphere was anesthetized suggests that this is the case for him.

Andrew Underwent a Wada Test, in Which One Hemisphere Is