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1 .This is Scientific American 60-Second Mind, I'm Christie Nicholson.Got a minute?
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2 .Brain-training games claim that testing memory, attention and other forms of cognition will improve one's overall intelligence and brain function.
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3 .And it's probable that such games do improve performance on a specific task.
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4 .But it's unlikely that there's a general improvement.
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5 .Well.that's according to a study in the Journal of Neuroscience.
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6 .Sixty men and women played a computer game that tested their ability to withhold an action.
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7 .The subjects saw a "go" signal, an arrow pointing either left or right,
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8 .and they had to press a key, as quickly as possible, that corresponded to the signal's direction.
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9 .But 25 percent of the time a beep sounded just after the arrow appeared—which meant to not press the key to basically withhold the action.
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10 .Compared with a control group that never got the inhibitory beep, the game players' exhibited heightened levels of activity in regions of the brain that control inhibitory action and emotion.
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11 .But researchers found no change in other areas, for instance those that support working memory.
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12 .The researchers write that while brain-training games might temporarily improve a specific task, in this case inhibitory control,
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13 .they may not lead to a general improvement in overall brain function.
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14 .But they may still be fun.
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15 .Thanks for the minute, for Scientific American 60-Second Mind. I'm Christie Nicholson.
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