{mp3remote}http://media.krcb.org/audio/nbr/12-4-08.mp3{/mp3remote}
Conventional wisdom long held that some loss of mental acuity was a natural, almost inevitable consequence of aging. But Dr. Merzenich says more recent research has superceded that belief.
{mp3remote}http://media.krcb.org/audio/nbr/improve.mp3{/mp3remote}
Not surprisingly, different types of mental exercise strengthen different areas of the brain. You can find some fun tests of three kinds of brain function here.