Imagine That a Psychologist Tests Your Mental Processing Speed Every

Multiple Choice

Imagine that a psychologist tests your mental processing speed every year, by, for example, testing how long it takes for you to push a lever after a light comes on.If you age normally, you should show

A) no change in speed of response until after about age 60.
B) speeding up until about age 35 and then a slow decline.
C) a slowing by age 25 that becomes even slower as you continue to age.
D) an ability to perform this task throughout your life at roughly the same speed, as long as your visual acuity is high.