Findings from PET and FMRI Scans Show That Compared with Younger

Multiple Choice

Findings from PET and fMRI scans show that compared with younger adults, older adults _____.

A) are more likely to rely on the right hemisphere of the brain
B) experience greater decline in right hemisphere functioning rather than in left hemisphere functioning
C) use more parts of their brains, including both hemispheres, to solve problems
D) are less intellectually sharp but faster at information-processing tasks