John C. Mitani
2009
The Directed Scratch: Evidence for a Referential Gesture in Chimpanzees?
The Prehistory Of Language 9.0, 2009
Recent genetic evidence suggests that some of the key capacities for normal speech production might have developed in our hominid ancestors probably as little as 200,000 years ago (eg Davidson 2003; Enard et al. 2002). Many of the neural, anatomical, and ...