Answer:
Neuroscientists conducted research with taxicab drivers in London and found that taxicab drivers, who are required to have a tremendous amount of spatial and geographic knowledge, had a larger hippocampus than other drivers.
Option D.hippocampus
Explanation:
Hippocampus is concerned with following important functions:
As the geographic knowledge and spatial knowledge is being stored in the hippocampus, the taxi driver surely have greater hippocampus than other drivers.