Thai Sign Language (TSL), or Modern Standard Thai Sign Language (MSTSL), is the national
sign language
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 l ...
of
Thailand
Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...
's
deaf community and is used in most parts of the country by the 20 percent of the estimated 56,000 pre-linguistically deaf people who go to school.
Thai Sign Language is related to
American Sign Language
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 express ...
(ASL), and belongs to the same
language family
A language family is a group of languages related through descent from a common ''ancestral language'' or ''parental language'', called the proto-language of that family. The term "family" reflects the tree model of language origination in his ...
as ASL.
[Woodward, James C. (1996). ''Modern Standard Thai Sign Language, influence from ASL, and its relationship to original Thai sign varieties.'' ''Sign Language Studies'' 92:227–52. (see p 245)] This relatedness is due to
language contact and
creolisation that has occurred between ASL, which was introduced into
deaf schools
Deaf education is the education of students with any degree of hearing loss or deafness. This may involve, but does not always, individually-planned, systematically-monitored teaching methods, adaptive materials, accessible settings, and othe ...
in Thailand in the 1950s by American-trained Thai educators, and at least two indigenous sign languages that were in use at the time:
Old Bangkok Sign Language and
Chiangmai Sign Language
Chiangmai Sign Language (also known as Old or Original Chiangmai Sign Language) is a deaf-community sign language of Thailand that arose among deaf people who migrated to Chiang Mai for work or family. The language is moribund, with all speakers ...
.
These original sign languages probably developed in market towns and urban areas where deaf people had opportunities to meet. They are now considered
moribund languages, remembered by older signers but no longer used for daily conversation. These older varieties may be related to the
sign languages of Vietnam and
Laos.
Thai Sign Language was acknowledged as "the national language of deaf people in Thailand" in August 1999, in a resolution signed by the Minister of Education on behalf of the Royal Thai Government. As with many sign languages, the means of transmission to children occurs within families with signing deaf parents and in schools for the deaf. A robust process of language teaching and acculturation among deaf children has been documented and photographed in the Thai residential schools for the deaf.
[Reilly, Charles and Reilly, Nipapon (2005). ''The Rising of Lotus Flowers: The Self-Education of Deaf Children in Thai Boarding Schools''. Washington, D.C.: Gallaudet University Press.]
There are other moribund sign languages in the country such as
Ban Khor Sign Language.
See also
*
Deafness in Thailand
Deafness in Thailand refers to the population and culture of Deaf Hard of Hearing people in Thailand. Deafness in Thailand includes language emergence, organizations, healthcare, employment, schooling, and civil rights.
Language emergence
Dea ...
References
Further reading
* Nonaka, Angela M. (2004). ''The forgotten endangered languages: Lessons on the importance of remembering from Thailand's Ban Khor Sign Language''. In: ''Language in Society'' 33:5 (2004) pp. 737–768
* Suwanarat, M., C. Reilly, O. Wrigley, A. Ratanasint, and L. Anderson (1986). ''The Thai Sign Language dictionary.'' Bangkok: National Association of the Deaf in Thailand.
* Suwanarat, M., O. Wrigley, and L. Anderson.(1990). ''The Thai Sign Language dictionary'', Revised and expanded ed. Bangkok: National Association of the Deaf in Thailand.
* Wallace, Cassie. 2019. "Spatial Relations along the In-On Continuum in Thai Sign Language." ''Journal of the Southeast Asian Linguistics Society'' 12.1:163-178
Online access
External links
*Survey report of Thai sign language
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Thai culture
American Sign Language family
Thailand Sign Language family
Languages of Thailand
Sign languages of Thailand