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1 .This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute?
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2 .When you hear an unfamiliar tune, how do you wind up either tapping your foot or plugging your ears?
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3 .A study finds that a specific brain region gives the song a thumbs up or down.
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4 .The research is in the journal Science.
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5 .As 19 subjects listened to samples of unfamiliar songs, their brains were scanned with a functional MRI machine.
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6 .After hearing each clip, the subjects could bid between zero and two dollars to purchase the song.
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7 .And the values participants assigned to songs were associated with activity in the nucleus accumbens, a section of the brain's pleasure center.
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8 .For more popular tunes, this region was more active and communicated more with the brain region that stores auditory information.
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9 .The scientists think the nucleus accumbens, which helps set expectations,
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10 .draws on stored musical knowledge to predict how a new tune will play out.
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11 .When the music fulfills or even exceeds these expectations, the listener feels rewarded.
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12 .So your listening history helps determine whether you'll like a new song - or tell it to hit the road.
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13 .Thanks for the minute, for Scientific American's 60-Second Science. I'm Sophie Bushwick.
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