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This is Scientific American 60-Second Science. I'm Cynthia Graber. Got a minute?
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Many of us spend lots of time tapping out words on a keyboard.
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Now a team of M.I.T.researchers thinks that how we type might reveal hidden information about the state of our brains.
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They designed a study in which a computer could detect which subjects were alert and which were fatigued, just from their typing.
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The researchers focused on how long any particular key was depressed.
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They designed a program to evaluate the keystrokes, and ignore the actual content being typed.
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For the study, 14 volunteers, seven women and seven men, had to type a Wikipedia article when they were fully alert.
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Then they were woken up about 70 to 80 minutes after they'd fallen asleep, when they were in deep slumber.
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They then had to type out another article while still drowsy.
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The result: how long they held down the keys varied much more when they were sleepy than when they were alert.
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The research will be published in the journal Scientific Letters.
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In their write up the team says that such a system could be useful as a safety feature on software programs for night shifts, to identify users who have become incapacitated by sleepiness.
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A variation on the program could help diagnose or monitor neurodegenerative diseases such as Parkinson's by tracking changes in someone's ability to manipulate the common keyboard.
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Thanks for the minute, for Scientific American's 60-Second Science. I'm Cynthia Graber.
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显示原文 =This is Scientific American 60-Second Science. I'm Cynthia Graber. Got a minute?
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显示原文 =Many of us spend lots of time tapping out words on a keyboard.
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显示原文 =Now a team of M.I.T.researchers thinks that how we type might reveal hidden information about the state of our brains.
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显示原文 =They designed a study in which a computer could detect which subjects were alert and which were fatigued, just from their typing.
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5 / 14
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显示原文 =The researchers focused on how long any particular key was depressed.
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显示原文 =They designed a program to evaluate the keystrokes, and ignore the actual content being typed.
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显示原文 =For the study, 14 volunteers, seven women and seven men, had to type a Wikipedia article when they were fully alert.
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8 / 14
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显示原文 =Then they were woken up about 70 to 80 minutes after they'd fallen asleep, when they were in deep slumber.
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9 / 14
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显示原文 =They then had to type out another article while still drowsy.
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显示原文 =The result: how long they held down the keys varied much more when they were sleepy than when they were alert.
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显示原文 =The research will be published in the journal Scientific Letters.
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显示原文 =In their write up the team says that such a system could be useful as a safety feature on software programs for night shifts, to identify users who have become incapacitated by sleepiness.
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显示原文 =A variation on the program could help diagnose or monitor neurodegenerative diseases such as Parkinson's by tracking changes in someone's ability to manipulate the common keyboard.
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显示原文 =Thanks for the minute, for Scientific American's 60-Second Science. I'm Cynthia Graber.
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- 单句循环：关
- 单句循环：×3
- 单句循环：×5
- 单句循环：∞