Answer:
PET (Positron emission tomography)
Step-by-step explanation:
The question was incomplete. I think the complete question is the following:
Q. Which of the following techniques would surgeons use in mapping the areas of the brain responsible for specific activities such as movement and speech?
A. Surgeons take imaging tests of the brain by using the PET (positron emission tomography) method through which they anaylze diagonose the deffects or disease.