The new development is a step towards creating voice prostheses for people who have lost the ability to speak.
The authors of the new work investigated how brain activity in zebra finches affectsBird songs and human speech are similar.This is both a complex and learned behavior, so by studying one, you can draw conclusions about the other.
Scientists implanted silicon electrodes in the brains of male zebra beagles and recorded the birds' neural activity while singing.Next, they studied a set of electrical signals called local field signals.They were recorded in the part of the brain that works when creating a song.
Researchers found that variousthe features of the local field signals can be read like syllables in a song, and also understand when a bird will sing that particular syllable. Local field potentials are also used to predict what a person will sing or say. These signals have previously been studied only in the human brain, but not in the brain of songbirds.
The authors of the new work were able to find patterns in the song of birds and predict it.They note that their research will help in the creation of a prosthetic to predict human speech.
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