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" Just this term , Roberts has undertaken a series of beyond-the-Beltway speeches , in New York , Vermont , South Carolina and Florida . A fourth group was given exercises to speed up mental processing - - being asked to identify an object flashed briefly on a computer screen while fighting off distractions.Each of the groups being trained had 10 sessions , each lasting an hour to 75 minutes , and each session presented progressively more challenging problems . " His plan will receive an up-or-down vote in both the House and the Senate , and we will continue to hold him accountable for changing course in Iraq . His active questioning of lawyers representing the school boards , who have been sued by white parents whose children were denied their first choice of schools , was the most closely watched.He noted that even the Bush administration , which intervened on behalf of the white parents , said in its brief that " school districts have an unquestioned interest in reducing minority isolation , " but it added that only if it were achieved by " race-neutral means . " In his flier , Botwin says that the center would threaten long-range plans to attract high-tech jobs and more housing to the area.Council member Phil Andrews ( D-Gaithersburg-Rockville ) disagreed . Although it did not examine the effects of mental exercise on people who had begun to show signs of Alzheimer 's or other brain disorders , previous studies have pointed toward the conclusion that anyone can benefit . " Mental exercise is the same way . Finding a friend who can join in a new activity can be a powerful motivator , she added.Sally Shumaker , a professor of public health science at Wake Forest University in North Carolina who wrote an editorial accompanying the study , said it pointed the way to a future in which mental training is made widely available . Ten sessions of exercises to boost reasoning skills , memory and mental processing speed staved off mental decline in middle-aged and elderly people in the first definitive study to show that honing intellectual skills can bolster the mind in the same way that physical exercise protects and strengthens the body.The researchers also showed that the benefits of the brain exercises extended well beyond the specific skills the volunteers learned .