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3. STIMULATE YOUR                information. The auditory program   activities may be as stimulating, or
               BRAIN—EVEN WITH                  (IMPACT) has been tested in large,   more stimulating, than computer
                                                clinical trials around the country
                                                                                 training,” says Park.
               VIDEO GAMES                      and has been shown to improve
               There is now ample scientific    not only auditory processing     Evidence from another recent study
               evidence that keeping your mind   speed and accuracy, but related   may support Park’s hypothesis.
                                                                                 Robert Wilson monitored more
               active is good for brain health. But   skills like memory and attention.   than 700 elderly participants for
               what’s the best way to do that?  Similar results have been found for   five years and found that those who
                                                the visual program, though using   reportedly engaged in everyday
               Recent studies show that computer-  smaller study populations.    mentally-stimulating activities—like
               based exercises designed to improve                               reading the paper, visiting a library, or
               brain function have been effective   “The benefits of our training   playing checkers or chess—were less
               at increasing memory, information   programs are substantial,” says   likely to have cognitive impairment,
               processing, reasoning, attention,   Merzenich. “If you are 70 and your   and were less than half as likely to
               and problem solving skills among   brain is operating like a typical   develop the dementia symptoms
               elderly participants. In some    70 year old, you can train with   of Alzheimer’s disease. Even
               studies, successful training in one   our program, and your scores on   when researchers considered the
               skill area (e.g., short-term memory)   cognitive tests will improve to levels   participants’ past levels of education
                                                                                 and socio-economic status, being
               led to improvements in areas     you’d find in a 59-year-old brain.”  mentally engaged later in life still
               not covered in the training (e.g.,                                seemed critical to reducing the risk of
               executive control), suggesting that   That may be true, but some   dementia.
               training benefits may “generalize”   researchers are still skeptical.
               to multiple brain functions and                                   The challenge
               improve overall cognitive health.  “We just don’t know enough about
                                                how these programs work,” says   So, will all this research actually
               Capitalizing on this research,   Arthur Kramer. Although he       compel people to do what it takes to
               several companies have sprung up   recently co-authored his own study   keep their brains fit?
               to market the idea of “brain fitness”   using a video game to improve
               to aging Baby Boomers. Though    cognitive function in the elderly,   “Let’s face it, some people hate to
               many, such as Lumosity, have based   he remains cautious, noting that   exercise, even when they know it
               their programs on neuroscience   “there are still relatively few studies   helps,” says Kramer. He argues that,
               research, not all have done the   of computer-based products.”    as we age, we tend to slow down
               rigorous testing needed to show                                   and get sore joints, which makes it
               their programs work.             Denise Park, a researcher at the   even harder to build up the will to
                                                University of Texas, agrees. But she   exercise. But Kramer believes that
               Posit Science, founded by        has an additional concern about   communicating how exercise benefits
                                                                                 the brain may help motivate people to
               neuroscientist Mike Merzenich, is   computer-based training programs:   change their lifestyles.
               an exception. Posit has developed      that seniors won’t maintain
               two computer-based training               interest in them long   Mezernich of Posit Science suggests
               programs for seniors designed             enough to reap the      another possible incentive: economic
               to increase the speed and                 benefits.               interest. He envisions a time when
               accuracy of how they process                                      health insurance companies will
                   auditory and visual                    “It may be very possible   pay people, either directly or
                                                           that engaging in fun,   through reduced insurance rates,
                                                           novel                 to participate in programs like his,
                                                                                 assuming they will reduce the need
                                                                                 for costly health care down the road.

                                                                                   Personally, I don’t need further
                                                                                    convincing, especially after
                                                                                   having one parent die of dementia.
                                                                                   Chances are I may be living even
                                                                                 longer than my dad, perhaps into
                                                                                 my 90s. And since I want to keep my
                                                                                 mind active even as my body ages, I’m
                                                                                 already trying to stay physically active,
                                                                                 keep my friends close, and give my
                                                                                 brain a regular work out.

                                                                                 But I think I’ll leave the Crypto-quips
                                                                                 to my dad.

                                                                                 By Jill Suttie
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