Director / Editor: Victor Teboul, Ph.D.
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Scientists: Brain Circuits Tell Us When Practice Makes Perfect

Practice makes perfect, but how do we know when we're getting closer to perfection? Scientists say they have located inner critic circuits in the brains of zebra finches. As the birds practice their songs, these circuits appear to let them know when they are doing it right. The findings may provide clues into how humans learn skills. VOA's Steve Baragona has more.

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