In a Study That Focused on Taxi Drivers in London

Multiple Choice

In a study that focused on taxi drivers in London, England, who must learn the names and locations of tens of thousands of streets in order to earn their licenses, the experienced cabbies exhibited superior memory for street information with the parts of their brains responsible for processing this learning being

A) enlarged.
B) lateralized.
C) more myelinated.
D) all of these.