Classification of sign languages

          Classification of sign languages                                                                                            The modern sign languages, like spoken languages, are subject to the universal process of linguistic change that makes evolve over time and eventually one language can evolve in different places at different varieties. In fact, many modern sign languages can be classified into families:

Originated in ancient Kent sign language, used in the seventeenth century, which led to the sign language used in Martha's Vineyard (Massachusetts) and had an important influence in American Sign Language (ASL) languages.
Originated in the ancient language of French Sign Language. These languages can be traced to standardized forms of sign languages used in Spain, Italy and France since the eighteenth century in the education of the deaf. In particular, the former French Sign Language was developed in the Paris area, thanks to the efforts of Abbot Charles Michel de l'Épée in your school for the deaf. In modern times this language has led to several others, such as American Sign Language (ASL), the Mexican Sign Language (LSM), Modern French Sign Language (LSF), the language of Italian Sign Language (LIS) sign language of Ireland (IRSL) and Iberian sign languages (which show similarities with the old French Sign Language, not in vain Spanish educators of deaf nineteenth century were trained at the National Institute for deaf Paris) , deriving two or three different languages with some mutual intelligibility, the language of Spanish sign Language (LSE), the language of Catalan sign Language (LSC) and Valencian lalengua sign (LSCV).
Originated in British Sign Language (BSL), which diversified during the nineteenth century resulting in the language of Australian Sign Language (Auslan), sign language of New Zealand (NZSL) and sign language in Northern Ireland Languages (NIRSL).
Originated in German sign language (DGS), considered related to sign language Swiss German (DSGS), languages Austrian sign language (OGS) and probably the language of Israeli Sign Language (ISL).
Design methodology for preparing the LSC as a second language Currently scientific-technical and cultural exchanges between different language communities are established, grows increasingly need to learn a second language; and in particular its value being a gestural language viso is resized; LSC used by people with hearing disabilities is their first language and his natural language, learning in their linguistic environment without restrictions. It is necessary that all persons involved in their education the master to interact with them and thus contribute to the formation of his personality.
The teaching of second languages, on his tour of the twentieth century has been increasing interest in learning oral communication to the fore today. However, it has emerged very strongly in the last 30 years the study of other languages of minority status, where viso gestural communication channel that requires a particular teaching is used. In both its educational value is given by their educational, instructional and potential developers.