Juan Pablo Benet (1579–1629) wrote the first book, published in 1620, on how to teach Deaf people. He incorporated gestures, fingerspelling, writing, and speech.You can find sign languages in every country throughout the world. Some countries, such as Canada and the United States, have similar sign languages, and their spoken languages are also similar. However, this isn't always the case. ASL is unique among the world's sign languages because it has had many influences and has influenced many sign languages of the world.
When and how ASL beganMany people believe that ASL was strongly influenced by the work of Thomas Hopkins Gallaudet and Laurent Clerc in the early 1800s at the American Asylum in Hartford, Connecticut.
Another influence of ASL's origin goes back long before the arrival of Gallaudet and Clerc. In the 17th century, Deaf people were living in the United States. They lived in their own communities on Martha's Vineyard and made their livings as farmers and fishermen. Most of these inhabitants were descendants of people who'd moved to America from England. Two hundred years later, their descendants were still living there and attending the American School for the Deaf under Clerc and Gallaudet. Many believe that the signs brought to America by these educators and the signs used by the Martha's Vineyard population are largely responsible for today's ASL.
ASL isn't related to English, although it borrows from English — as many spoken languages do. ASL has a word order that's different from English, and it has its own idioms, jokes, and poetry — all unrelated to English. People who support ASL believe that anything can be taught in ASL because it's a language guided by properties.Sign is visually based. An object, such as a person, animal, or thing, needs to be understood by two parties before any information can be signed concerning the subject. Some people believe that this is the natural process for language. Many languages are based on this idea — it's the noun-verb rule. You need to name an object before you can discuss it.