Washington: A new study has found that short bouts of exercise help improve higher brain functions, such as memory, concentration, planning, and decision-making.The result suggests that exercise might be a useful treatment for conditions characterised by impaired higher brain functions, such as attention hyperactivity deficit disorder (ADHD) and autism, and may help delay the ravages of dementia, according to researchers.The researchers trawled medical research databases for studies looking at the impact of physical exercise on higher brain functions, such as memory, concentration, planning, and decision-making, in three groups: 6 to 12 year olds; 13 to 17 year olds; and 18 to 35 year olds.They found 24 relevant studies published up to April 2012. Nineteen of these, involving 586 participants, addressed the impact of short bouts of exercise, and five, involving 358 participants, addressed the impact of regular exercise.Regular exercise didn`t seem to have much impact on higher brain functions, the analysis showed, but the studies were too few in number, and their results too inconsistent to enable firm conclusions to be drawn, the researchers noted.
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