Neurologists involved in animal research studies of cognitive function see analogies in humans that suggest mental exercise reduces loss of brain mass. Which of the following statements describe their findings?

Question

-Older adults who continue complex mental activities can delay or even reverse decline in brain mass that is part of normal aging
-Mental exercise can only slow normal decline in brain mass that is part of normal aging, but no amount of exercise can delay or reverse it
-Mental exercise can help maintain brain mass, but no amount of exercise can slow the decline in cognitive abilities that is part of normal aging
-Older adults who continue complex mental activities can maintain cognitive abilities, but no amount of exercise can affect brain mass

Answer 1

Note the key words in the question: mental exercise reduces loss of brain mass.

Only one of the possible answers states that key finding.

What do you think?

Answer 2

Older adults who continue complex mental activities can delay or even reverse decline in brain mass that is part of normal aging...

You should read the book its on page 169 2nd to last paragraph. Even while taking the quiz you have no time limit. In other words your LAZY!