Scientists invented a way to turn thoughts into speech by placing electrodes directly on the surface of people’s brains in areas that control vocal tract movements. By intercepting those signals and converting them into audio, they successfully reproduced what people were silently trying to say.

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Scientists invented a way to turn thoughts into speech by placing electrodes directly on the surface of people’s brains in areas that control vocal tract movements. By intercepting those signals and converting them into audio, they successfully reproduced what people were silently trying to say.