ToolmaMng at least leaves behind some tangible evidence, but it is much more difficult to trace the origins of spoken language in the Homicide. Inferences about the anatomy and position of the larynx can be made from cranial form, but otherwise fossil bones tell us nothing about speech capabilities. Archaeological finds of standardized tools and […]
Tag Archives: human
Are Chimps & Gorillas still learning HUMAN sign language?
In zoos? In labs? In inner-city schools? .
Does teaching babies to sign before speaking suggest anything about the emergence of human language?
There is a popular movement which encourages parents to teach their babies to sign as early as possible. Proponents of this movement suggest that babies are able to learn and communicate in sign language well before they are able to communicate using spoken words. .