Zebra finches can detect variations in human speech

By Ashley Yeager, 17:06 PM May 27, 2014

When humans vary the pitch or rhythm of their speech, the changes usually add information to what is being said. Humans, however, aren’t the only ones that can hear these variations in sound — zebra finches can perceive them as well, a new study shows. The results, which appear May 28 in the Proceedings of the Royal Society B, suggest that being able to detect subtle variations in speech is not linked to language. The evolutionary process that shaped the birds’ sensitivity, and possibly that ...

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