By Pamela Dennis. Alphabet. Published at Thursday, April 26th, 2018 - 17:51:43 PM.
In countries like Mexico, where several languages are spoken and some of them are considered as official languages of the country, communicating with a community that speaks a different language may also mean that you need to communicate using their own native language to ensure that the communication is effective.
The Baby sign language was initially developed in the United States of America. It was developed by Linda Acredolo, a professor of psychology at the University of California which is in Davis and by Susan Goodwyn who is also a professor emeritus of psychology at the California State University. They had started research on this subject in the year 1982.In the year 1985 they produced an article in Human development. The article was titled \"Symbolic gesturing in language development: A case study.\"
Sign Language Charts That Make Learning More Effective! Sign languages are very important in deaf communities. These communities comprise of families and friends of the deaf person, other people who are hard of hearing and interpreters. As is the case in of spoken language, sign language varies from one region to another.
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