How long have we been talking about?

Audio 48:30

Comparative anatomy of the vocal tract of the baboon (left) and modern man (right). © Cognitive Psychology Laboratory (CNRS / Aix-Marseille Unive

By: Caroline Lachowsky

How do we go back to the origins of speech? In our human and pre-human ancestors? What do the vocalizations of baboons and the babbling of babies teach us about the emergence of human speech?

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How long have we been talking about? The emergence of speech is not the prerogative of our homo-sapiens species, it is not linked to the famous theory of the descent of the larynx. The possibility of speech, to use its vocal tract to emitting articulated sounds and vowels, is shared by our primate ancestors and cousins, pre-humans and of course, humans! A real revolution that we haven't finished hearing about .....

Talk show, which could be older than we thought! with researchers from CNRS at the University of Grenoble Jean-Luc Schwartz and Louis-Jean Boë , at the origin of this discovery….

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