Dr Linda Buck Won a Nobel Prize for Her Work

Dr. Linda Buck won a Nobel Prize for her work on brain function. What, specifically did she study?

A) The effects of Alzheimer's Disease on neurons in the brain
B) The way the peripheral and central nervous systems interact
C) The way an action potential or nerve impulse travels down a nerve
D) The way the optic lobes translate light coming into the eye into an image
E) The way the olfactory receptors work to allow us to identify odors