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1 .This is Scientific American 60-Second Mind, I'm Christie Nicholson. Got a minute?
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2 .When babies learn to talk, they pay close attention to grammar.
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3 .Specifically verbs.
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4 .A new study shows that hearing what an object does is how they learn what an object is.
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5 .Researchers showed infants between 15 and 19 months of age pairs of images on a screen.
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6 .Each pair included an animal and a non-living object.
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7 .Then the screen went dark and the infants overheard a conversation that included a nonsense word: 'blick."
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8 .Some babies heard a sentence with an action verb like, "The blick eats."
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9 .Others heard a sentence like "The blick is over here," with no action verb.
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10 .The infants then again saw the screen with an animal and an inanimate object.
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11 .And a researcher said, "Look at the blick."
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12 .Infants who had heard the active sentence looked more often and longer at the animal, compared with those who had heard the sentence lacking any action.
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13 .Because if all the babies know is that "the blick is over here," it could be any object, alive or not.
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14 .The study is in the journal Cognition.
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15 .The researchers say that learning language requires the infant to listen to natural conversations and to analyze the complex situations being discussed.
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16 .Such as why the blick forgot to pick up the mooshlik on the way home from work.
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17 .Thanks for the minute, for Scientific American 60-Second Mind. I'm Christie Nicholson.
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