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1 .This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute.
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2 .We all know that talking on a cell phone can impair our ability to drive (although too many of us do it anyway).
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3 .Now a study in the journal Psychonomic Bulletin and Review shows that the reverse is also true:
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4 .driving makes it hard to keep track of what we're talking about.
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5 .(Sound)
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6 .Previous studies had found that motorists are able to converse just fine.
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7 .But to Gary Dell of the University of Illinois that finding just didn't make sense.
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8 .Because comprehending speech requires attention, as does steering the family sedan.
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9 .So Dell did a study in a driving simulator.
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10 .Ninety-six participants were paired up, with one taking the wheel while the other sat in the passenger seat or talked to the driver on a hands-free phone.
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11 .Each participant listened to and was asked to repeat a handful of stories,
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12 .and then to remember them after getting out of the car.
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13 .As you can imagine, the drivers had a tougher time recalling the details than the passengers.
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14 .And their conversational skills took the biggest nosedive while they were trying to navigate intersections or handle traffic.
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15 .Next, maybe the scientists will determine whether driving also impairs our ability to sing, eat breakfast, and put on makeup.
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16 .And, of course, text.
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17 .Thanks for the minute, for Scientific American 60-Second Science. I'm Karen Hopkin .
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