Older Adults Sometimes Show Reduced Activation of Appropriate Prefrontal Regions

Multiple Choice

Older adults sometimes show reduced activation of appropriate prefrontal regions. At other times, they show the same or greater recruitment of these areas, when compared with younger adults, depending on the task they are doing. This indicates that prefrontal recruitment is

A) unpredictable.
B) impossible to measure.
C) predictable in younger adults but unpredictable in older adults.
D) context dependent.