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Say What?! Musicians Hear Better
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| Posted on October 21, 2009 at 13:33:08 | ||
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http://www.npr.org/templates/story/story.php?storyId=113938566 by Jon Hamilton "October 19, 2009 - Musical training can improve your hearing, according to several studies presented in Chicago at Neuroscience 2009, the annual meeting of the Society for Neuroscience. The studies found that serious musicians are better than other people at perceiving and remembering sounds. But it's not because they have better ears. Sounds come in through the ears. But they travel through the nervous system and get interpreted by the brain. That means your hearing can change even if your ears don't, says Nina Kraus, who directs the Auditory Neuroscience Laboratory at Northwestern University. "Your hearing system becomes tuned by the experiences that you have had with sound throughout your life," Kraus says. The Musician's Brain Kraus figured that the hearing systems of musicians ought to be more finely tuned than those of other people. So she tested their ability to do something challenging: understand what someone is saying in a noisy room. Fifteen classically trained musicians and 16 nonmusicians listened to a voice reciting simple sentences against an increasingly loud backdrop of other conversations. Standard hearing tests had shown that the musicians' ears weren't any more sensitive than those of the other listeners. But Kraus knew that their brains, shaped by years of training, had become very good at a similar task: "A musician will be listening to the sound of his own instrument even though many other instruments are playing," she says, a skill not unlike separating one voice from a crowd of voices. Kraus wanted to know whether this skill helps musicians pick out a particular voice the same way they pick out a particular instrument. "And resoundingly it does," she says. A closer look at musical brains may explain why. Tests show that certain sounds produce stronger electrical signals in a musician's brain stem, Kraus says. And, she says, these signals offer a more accurate representation of pitch, timing and tone quality — three things that help us pick out a single voice in a noisy room." |
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| Oh, save us from our wretched desires! :) -nt, posted on October 22, 2009 at 10:35:10 | |
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Location: Central boonies Joined: May 12, 2000 Contributor Since: April 5, 2002 |
rw |
| Speak up...(nt), posted on October 21, 2009 at 21:10:15 | |
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Location: SF Bay Area Joined: April 22, 2003 Contributor Since: December 28, 2003 |
(nt) |