Language that uses manual communication and body language to convey meaning
This article is about primary sign languages of the deaf. For signed versions of spoken languages, see manually coded language.
Two men and a woman signing American Sign Language (2008)Preservation of the Sign Language, George W. Veditz (1913)
Sign languages (also known as signed 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.[1] Sign languages are not universal and are usually not mutually intelligible,[2] although there are also similarities among different sign languages.
Linguists consider both spoken and signed communication to be types of natural language, meaning that both emerged through an abstract, protracted aging process and evolved over time without meticulous planning.[3] This is supported by the fact that there is substantial overlap between the neural substrates of sign and spoken language processing, despite the obvious differences in modality.[4] Sign language should not be confused with body language, a type of nonverbal communication.
Wherever communities of deaf people exist, sign languages have developed as useful means of communication and form the core of local deaf cultures. Although signing is used primarily by the deaf and hard of hearing, it is also used by hearing individuals, such as those unable to physically speak, those who have trouble with oral language due to a disability or condition (augmentative and alternative communication), and those with deaf family members including children of deaf adults.
The number of sign languages worldwide is not precisely known. Each country generally has its own native sign language; some have more than one. The 2021 edition of Ethnologue lists 150 sign languages,[5] while the SIGN-HUB Atlas of Sign Language Structures lists over 200 and notes that there are more that have not been documented or discovered yet.[6] As of 2021, Indo-Pakistani Sign Language is the most used sign language in the world, and Ethnologue ranks it as the 151st most "spoken" language in the world.[7]
Some sign languages have obtained some form of legal recognition.[8]
Linguists distinguish natural sign languages from other systems that are precursors to them or obtained from them, such as constructed manual codes for spoken languages, home sign, "baby sign", and signs learned by non-human primates.
^Cite error: The named reference SLM was invoked but never defined (see the help page).
^"What is Sign Language?". Linguistic society. Archived from the original on 13 February 2018. Retrieved 10 March 2018.
^E.g.: Irit Meir, Wendy Sandler, Carol Padden, and Mark Aronoff (2010): Emerging Sign Languages. In: Marc Marschark and Patricia Elizabeth Spencer (eds.): The Oxford Handbook of Deaf Studies, Language, and Education, Vol. 2, pp. 267–80.
^Trettenbrein, Patrick C.; Papitto, Giorgio; Friederici, Angela D.; Zaccarella, Emiliano (2021-02-15). "Functional neuroanatomy of language without speech: An ALE meta‐analysis of sign language". Human Brain Mapping. 42 (3): 699–712. doi:10.1002/hbm.25254. ISSN 1065-9471. PMC 7814757. PMID 33118302.
^Eberhard, David M.; Simons, Gary F.; Fennig, Charles D., eds. (2021), "Sign language", Ethnologue: Languages of the World (24th ed.), SIL International, retrieved 2021-05-15
^Hosemann, Jana; Steinbach, Markus, eds. (2021), Atlas of Sign Language Structures, Sign-hub, archived from the original on 2021-04-13, retrieved 2021-01-13
^What are the top 200 most spoken languages?, Ethnologue.
^Wheatley, Mark & Annika Pabsch (2012). Sign Language Legislation in the European Union – Edition II. European Union of the Deaf.
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British SignLanguage (BSL) is a signlanguage used in the United Kingdom and is the first or preferred language among the deaf community in the UK. While...
perhaps three hundred signlanguages in use around the world today. The number is not known with any confidence; new signlanguages emerge frequently through...
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Irish SignLanguage (ISL, Irish: Teanga Chomharthaíochta na hÉireann) is the signlanguage of Ireland, used primarily in the Republic of Ireland. It is...
Czech SignLanguage is the signlanguage of the deaf community in the Czech Republic. It presumably emerged around the time of the first deaf school in...
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Maltese SignLanguage (Maltese: Lingwa tas-Sinjali Maltija, LSM) is a young signlanguage of Malta. It developed into its modern form c. 1980 with the...
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000 people, the other language was an Indigenous language. Finally, the number of people reporting signlanguages as the languages spoken at home was nearly...
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Korean SignLanguage or KSL (Korean: 한국 수화 언어 or short name 한국 수어) is a signlanguage used for deaf communities of South Korea. It is one of two official...
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Swedish SignLanguage (SSL; Svenskt teckenspråk) is the signlanguage used in Sweden. It is recognized by the Swedish government as the country's official...
A signlanguage glove is an electronic device which attempts to convert the motions of a signlanguage into written or spoken words. Some critics of such...
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