DrChalmers Is Learning About the Brain by Studying a Patient

Multiple Choice

Dr.Chalmers is learning about the brain by studying a patient of his who has suffered damage to the hippocampus.What is a drawback of using this technique to learn about brain function?

A) The location of brain activity cannot be pinpointed precisely.
B) It only tells us when a brain area is needed, not what the brain area does.
C) It is impossible to establish cause and effect.
D) It requires that the patients consume a radioactive substance.