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The language has been developing since the s. LSF also has a pretty fascinating history. The Arab sign-language family is a family of sign languages across the Arab Mideast.

Data on these languages is somewhat scarce, but a few languages have been distinguished, including Levantine Arabic Sign Language. Spanish Sign Language is officially recognized by the Spanish Government. It is native to Spain, except Catalonia and Valencia. Many countries that speak Spanish do not use Spanish Sign Language! See Mexican Sign Language below, for example. Variation in this language is high between age groups and religious backgrounds.

It uses a one-handed manual alphabet of 33 signs, which make use of the 23 handshapes of USL. In North America, Plains Sign Talk also known as Plains Sign Language is an Indigenous sign language that was once used between Plains Nations to support trade, tell stories, conduct ceremonies, and act as a daily communication language for Deaf people.

It was used between Nations across central Canada, the central and western United States and northern Mexico. Watch the video below to see an example of signing used in First Nations cultures in North America.

Drugs that have hearing loss and tinnitus as side effects Hearing loss can be a side effect of ototoxic medication and drugs. Genetics, hearing loss and rare diseases It's not uncommon for rare diseases and genetic syndromes to cause hearing loss. Can cognitive behavior therapy help with my tinnitus? Home Report Why you should learn sign language Two women communicate using ASL. What is sign language? American Sign Language is one of the most common languages used in the U.

Who uses sign language? Related: Being Deaf gives this clinical audiologist a unique perspective The Deaf dommunity American Sign Language is the primary language of many North Americans who are deaf or hard of hearing and identify as part of the Deaf community.

Parents As many as 90 percent of deaf children are born to hearing parents, which can make learning sign language a family affair. Many opt to learn ASL for this reason alone; however, others decide to become certified to teach ASL in the public schools. First responders. As the population ages and the incidence of hearing loss increases, sign language becomes more and more relevant — especially in emergency situations when communicating with someone who is deaf or hard of hearing is critical.

Service providers. Social workers, counselors, psychologists and medical professionals are also finding it beneficial to learn sign language.

In fact, the Americans with Disabilities Act ADA requires that hospitals provide an appropriate means of communication to any patient, family member or visitor who is deaf or hard of hearing. The ADA also covers legal, education, law enforcement and employment systems. Grammar : ASL has its own grammar and structure in sentences that works differently from English. For plurals, verb inflections, word order, etc.

For searching signed words in the dictionary, use the present-time verbs and base words. If you look for "said", look up the word "say". Likewise, if you look for an adjective word, try the noun or vice versa. For example, English speakers may ask a question by raising the pitch of their voices and by adjusting word order; ASL users ask a question by raising their eyebrows, widening their eyes, and tilting their bodies forward.

In addition to individual differences in expression, ASL has regional accents and dialects; just as certain English words are spoken differently in different parts of the country, ASL has regional variations in the rhythm of signing, pronunciation, slang, and signs used. Other sociological factors, including age and gender, can affect ASL usage and contribute to its variety, just as with spoken languages.

Fingerspelling is part of ASL and is used to spell out English words. In the fingerspelled alphabet, each letter corresponds to a distinct handshape. Fingerspelling is often used for proper names or to indicate the English word for something.

A deaf child born to parents who are deaf and who already use ASL will begin to acquire ASL as naturally as a hearing child picks up spoken language from hearing parents. However, for a deaf child with hearing parents who have no prior experience with ASL, language may be acquired differently. In fact, 9 out of 10 children who are born deaf are born to parents who hear. Some hearing parents choose to introduce sign language to their deaf children.

Hearing parents who choose to have their child learn sign language often learn it along with their child.