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American Sign Language (ASL) is a natural language that serves as the predominant sign language of Deaf communities in the United States of America and most of Anglophone Canada. ASL is a complete and organized visual language that is expressed by employing both manual and nonmanual features. Besides North America, dialects of ASL and ASL-based creoles are used in many countries around the world, including much of West Africa and parts of Southeast Asia. ASL is also widely learned as a second language, serving as a lingua franca. ASL is most closely related to French Sign Language (LSF). It has been proposed that ASL is a creole language of LSF, although ASL shows features atypical of creole languages, such as agglutinative morphology.
Sign languages are languages that use the visual-manual modality to convey meaning, instead of spoken words. Sign languages are expressed through manual articulation in combination with non-manual markers. Sign languages are full-fledged natural languages with their own grammar and lexicon. Sign languages are not universal and are usually not mutually intelligible, although there are also similarities among different sign languages.
Martha's Vineyard, often simply called the Vineyard, is an island in the Northeastern United States, located south of Cape Cod in Dukes County, Massachusetts, known for being a popular, affluent summer colony. Martha's Vineyard includes the smaller adjacent Chappaquiddick Island, which is usually connected to the Vineyard. The two islands have sometimes been separated by storms and hurricanes, which last occurred from 2007 to 2015. It is the 58th largest island in the U.S., with a land area of about 96 square miles (250 km2), and the third-largest on the East Coast, after Long Island and Mount Desert Island. Martha's Vineyard constitutes the bulk of Dukes County, which also includes the Elizabeth Islands and the island of Nomans Land.
Chilmark is a town located on Martha's Vineyard in Dukes County, Massachusetts, United States. The population was 1,212 at the 2020 census. The fishing village of Menemsha is located on the western side of the town along its border with the town of Aquinnah. Chilmark had the highest median home sale price of any town or city in Massachusetts in 2013.
A spoken language is a language produced by articulate sounds or manual gestures, as opposed to a written language. An oral language or vocal language is a language produced with the vocal tract in contrast with a sign language, which is produced with the body and hands.
Martha's Vineyard Sign Language (MVSL) was a village sign-language that was once widely used on the island of Martha's Vineyard from the early 18th century to 1952. It was used by both Deaf and hearing people in the community; consequently, deafness did not become a barrier to participation in public life. Deaf people who signed Martha's Vineyard Sign Language were extremely independent. They participated in society as typical citizens, although there were incidents of discrimination, and language barriers.
Deaf culture is the set of social beliefs, behaviors, art, literary traditions, history, values, and shared institutions of communities that are influenced by deafness and which use sign languages as the main means of communication. When used as a cultural label especially within the culture, the word deaf is often written with a capital D and referred to as "big D Deaf" in speech and sign. When used as a label for the audiological condition, it is written with a lower case d. Carl G. Croneberg coined the term "Deaf Culture" and he was the first to discuss analogies between Deaf and hearing cultures in his appendices C/D of the 1965 Dictionary of American Sign Language.
Adamorobe Sign Language or Adasl is a village sign language used in Adamorobe, an Akan village in eastern Ghana. It is used by about 30 deaf and 1370 hearing people (2003).
Manualism is a method of education of deaf students using sign language within the classroom. Manualism arose in the late 18th century with the advent of free public schools for the deaf in Europe. These teaching methods were brought over to the United States where the first school for the deaf was established in 1817. Today manualism methods are used in conjunction with oralism methods in the majority of American deaf schools.
The recorded history of sign language in Western societies starts in the 17th century, as a visual language or method of communication, although references to forms of communication using hand gestures date back as far as 5th century BC Greece. Sign language is composed of a system of conventional gestures, mimic, hand signs and finger spelling, plus the use of hand positions to represent the letters of the alphabet. Signs can also represent complete ideas or phrases, not only individual words.
Old Kentish Sign Language was a village sign language of 17th-century Kent in the United Kingdom, that has been incorporated along with other village sign languages into British Sign Language.
Al-Sayyid Bedouin Sign Language (ABSL) is a village sign language used by about 150 deaf and many hearing members of the al-Sayyid Bedouin tribe in the Negev desert of southern Israel.
Ka'apor Sign Language was a village sign language used by the small community of Ka'apor people in the Brazilian state of Maranhão. Linguist Jim Kakumasu observed in 1968 that the number of deaf people in the community was 7 out of a population of about 500. This relatively high ratio of deafness led to both hearing and deaf members of the community using the language, and most hearing children grow up bilingual in the spoken and signed languages. The current state of the language is unknown. Other Indigenous tribes in the region have also been reported to use sign languages, and to communicate between themselves using sign language pidgins.
In the United States, deaf culture was born in Connecticut in 1817 at the American School for the Deaf, when a deaf teacher from France, Laurent Clerc, was recruited by Thomas Gallaudet to help found the new institution. Under the guidance and instruction of Clerc in language and ways of living, deaf American students began to evolve their own strategies for communication and for living, which became the kernel for the development of American Deaf culture.
Mason Fitch Cogswell was a United States physician.
A village sign language, or village sign, also known as a shared sign language, is a local indigenous sign language used by both deaf and hearing in an area with a high incidence of congenital deafness. Meir et al. define a village sign language as one which "arise[s] in an existing, relatively insular community into which a number of deaf children are born." The term "rural sign language" refers to almost the same concept. In many cases, the sign language is known throughout the community by a large portion of the hearing population. These languages generally include signs derived from gestures used by the hearing population, so that neighboring village sign languages may be lexically similar without being actually related, due to local similarities in cultural gestures which preceded the sign languages. Most village sign languages are endangered due to the spread of formal education for the deaf, which use or generate deaf-community sign languages, such as a national or foreign sign language.
Henniker Sign Language was a village sign language of 19th-century Henniker, New Hampshire and surrounding villages in the US. It was one of three local languages which formed the basis of American Sign Language. Although the number of students from Henniker were fewer than speakers of the more famous Martha's Vineyard Sign Language, deafness in Henniker was genetically dominant, and Henniker SL was therefore likely to have been better developed than MVSL.
The sociolinguistics of sign languages is the application of sociolinguistic principles to the study of sign languages. The study of sociolinguistics in the American Deaf community did not start until the 1960s. Until recently, the study of sign language and sociolinguistics has existed in two separate domains. Nonetheless, now it is clear that many sociolinguistic aspects do not depend on modality and that the combined examination of sociolinguistics and sign language offers countless opportunities to test and understand sociolinguistic theories. The sociolinguistics of sign languages focuses on the study of the relationship between social variables and linguistic variables and their effect on sign languages. The social variables external from language include age, region, social class, ethnicity, and sex. External factors are social by nature and may correlate with the behavior of the linguistic variable. The choices made of internal linguistic variant forms are systematically constrained by a range of factors at both the linguistic and the social levels. The internal variables are linguistic in nature: a sound, a handshape, and a syntactic structure. What makes the sociolinguistics of sign language different from the sociolinguistics of spoken languages is that sign languages have several variables both internal and external to the language that are unique to the Deaf community. Such variables include the audiological status of a signer's parents, age of acquisition, and educational background. There exist perceptions of socioeconomic status and variation of "grassroots" deaf people and middle-class deaf professionals, but this has not been studied in a systematic way. "The sociolinguistic reality of these perceptions has yet to be explored". Many variations in dialects correspond or reflect the values of particular identities of a community.
Enga Sign Language is an apparent village sign language among the Tato Enga people in Enga province, Papua New Guinea. It was reported in 1980 in three articles by Adam Kendon, based on ethnographic films of three signers in the upper valley of the Lagaip River, but with reports of wider use in the surrounding region. Its current status is unknown, as no more recent information is available.
References
- Lane, Pillard, & French, "Origins of the American Deaf-World: Assimilating and Differentiating Societies and Their Relation to Genetic Patterning". In Emmorey & Lane, eds, The Signs of Language Revisited, 2000
