They've already been heavily studied in humans and were used to predict the vocal behaviour of the zebra finches. These are necessary for learning and producing songs. With the signals coming from bird brains, the team focused on a set of electrical signals called 'local field potentials'. 'We are studying birdsong in a way that will help us get one step closer to engineering a brain machine interface for vocalisation and communication.'īirdsong and human speech share many features, including the fact both are learned behaviour, and are more complex than other animal noises. First author Daril Brown, a PhD student in computer engineering, said the work with bird brains 'sets the stage for the larger goal' of giving the voiceless a voice.
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