"As baby boomers search for ways to stay mentally sharp, the popularity of brain games has soared in recent years, but researchers have decried a lack of rigorous evidence showing these interventions are effective in the long term.
Most brain games on the market involve computer exercises. But in the new study, researchers used paper-and-pencil tests that honed problem-solving involving letter and number patterns, in addition to computer drills that tested the ability to quickly distinguish an image among a constantly changing screen….
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