Woollett and Maguire Conducted MRI Scans on People Before and After

Multiple Choice

Woollett and Maguire conducted MRI scans on people before and after the participants underwent training to become London taxi drivers. The results of the study demonstrated that:

A) prior to training, those who later became taxi drivers had larger hippocampi.
B) there was no correlation between succeeding or failing to become a taxi driver and the size of the hippocampus.
C) those who became taxi drivers showed an increase in hippocampal volume from pretest to posttest.
D) after retiring, taxi drivers' hippocampal volume remained the same.