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Washoe (c. September 1965 – October 30, 2007) was a female common chimpanzee who was the first non-human to learn to communicate using American Sign Language (ASL) as part of an animal research experiment on animal language acquisition. Washoe learned approximately 350 signs of ASL, also teaching her adopted son Loulis some signs.
Language acquisition by deaf children. Language acquisition is a natural process in which infants and children develop proficiency in the first language or languages that they are exposed to. The process of language acquisition is varied among deaf children. Deaf children born to deaf parents are typically exposed to a sign language at birth ...
American Sign Language (ASL) is a natural language that serves as the predominant sign language of deaf communities in the United States and most of Anglophone Canada. ASL is a complete and organized visual language that is expressed by employing both manual and nonmanual features . [5]
Rachel Mayberry. Rachel I. Mayberry is a language scientist known for her research on the effects of age of acquisition on sign language acquisition among deaf individuals – research that has provided evidence for a critical period in first language acquisition. [1] She is Professor of Linguistics at University of California, San Diego (UCSD ...
e. Black American Sign Language ( BASL) or Black Sign Variation ( BSV) is a dialect of American Sign Language (ASL) [2] used most commonly by deaf African Americans in the United States. The divergence from ASL was influenced largely by the segregation of schools in the American South. Like other schools at the time, schools for the deaf were ...
In the late 1800s, schools began to use the oral method, which only allowed the use of speech, as opposed to the manual method previously in place. Students caught using sign language in oral programs were often punished. The oral method was used for many years until sign language instruction gradually began to come back into deaf education.
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