From NIDCD Information Clearinghouse: For the Entire Post, Go Here…
American Sign Language
On this page:
What is American Sign Language?
Is sign language the same in other countries?
Where did ASL originate?
How does ASL compare with spoken language?
How do most children learn ASL?
Why emphasize early language learning?
What research does the NIDCD support on ASL and other sign languages?
Where can I find additional information about American Sign Language?