英语翻译Do your friends cover their ears when you sing along with the radio?Does the choir director ask you to lip-sync?If you're one of the unlucky people who is tone-deaf,it turns out your brain may have a wiring problem.That's what new researc

英语翻译Do your friends cover their ears when you sing along with the radio?Does the choir director ask you to lip-sync?If you're one of the unlucky people who is tone-deaf,it turns out your brain may have a wiring problem.That's what new researc
英语翻译
Do your friends cover their ears when you sing along with the radio?Does the choir director ask you to lip-sync?If you're one of the unlucky people who is tone-deaf,it turns out your brain may have a wiring problem.That's what new research published Wednesday suggests.People who are tone-deaf can't detect differences in musical pitch but usually have normal hearing andspeech.Tone-deafness runs in families,and estimates of how many people have the problem range from 4 percent to 17 percent.In the small study done in Boston,brain scans showed there was a difference in a particular brain circuit between those who were tone-deaf and those who weren't.Among the tone-deaf,researchers discovered there were fewer connections between two areas of the brain that perceive and produce sounds.The study's lead author,Psyche Loui,likened the connection to a highway between two islands in the brain.In tone-deaf people,"there's less traffic on the highway," said Loui,who studies music and the brain at Harvard Medical School and is also a musician.Loui and her colleagues took brain scans of 20 people,half of them tone-deaf.Those who were tone-deaf had fewer nerve fibers between the frontal and temporal regions of the brain,or in some cases the fibers couldn't be detectedat all.The researchers reported their findings in Wednesday's issue of theJournal of Neuroscience."It's a new piece in our understanding of tone-deafness andthe processes that are involved in the perception of pitch in general," said Nina Kraus of Northwestern University,who wasn't involved in the research.Loui said the brain connection they examined was long known to be involved in language."Now that we know which brain pathways to train," she said,there may be ways to help people with tone-deafness,and perhaps those with other language disorders.

英语翻译Do your friends cover their ears when you sing along with the radio?Does the choir director ask you to lip-sync?If you're one of the unlucky people who is tone-deaf,it turns out your brain may have a wiring problem.That's what new researc
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