Language and Identity
The Mind: Language (PBS Series)

1. What is the most important reason for animal (including human) communication?

2. Is animal communication essentially like human language?

3. How many symbols does "Sarah" know? ______ Can she think or reason with words?

4. At what age do children who cannot hear begin to use sign language (if they are exposed to sign language)?

5. What did Bellugi discover? Does American sign language have "grammar"?

6. What are brain studies revealing?