slides on sign language

2. Sign language is a kind of human language that do not use sounds
to express meanings. Instead , sign language are visual gestural
systems that use hand, body & facial gestures as the forms use to
represent words. Sign language uses body language. This can
involve simultaneously combining hand shapes, orientation and
movement of the hands arms or body and facial expressions to
fluidly expresses a speaker’s thought. Sign language are fully
developed languages and those who knows sign language are
capable of creating & comprehending unlimited numbers of new
sentences, just like speakers of spoken languages.

3. Sign language is commonly used for deaf communities. Because deaf
children are unable to hear speech.They do not acquire spoken
language as hearing children do.
About one in thousand babies is born deaf with a severe hearing
deficiency. It’s nearly impossible to learn spoken language by hearing
for deaf children. Normal speech depends large on auditory feed back.
Deaf persons can be taught to speak a language by reading the lips of
others. But 75% of spoken English words can not be read on the lips
accurately.

4. Some scientists credit mankind as the inventors of the first sign
language.They pointed & created signs for those things that they
couldn’t talk about. Early man probably the first investors and users
of the most basic sign language.
Some people give credit to a French man Juan Pablo de Bonet as an
inventor of sign language.
In 1620 Bonet wrote a book that contained the first known manual
system for sign language.The hand shapes in this system
represented different speech sounds. In 1817 sign language
brought to US byThomas Hopkins Gallaudet.

5. Juan Pablo
de Bonet

6. In linguistic terms, sign language are as reach and complex as any
spoken language.The study of sign language is important to
linguistics. In general it helps us understand the very nature of
human language. Every language has different characteristics.The
grammar of sign languages do not match their neighboring spoken
language because of their independent development.To understand
sign language it is necessary to study sign language. Study of sign
language is also significant for deaf education program.

8. AMERICAN SIGN LANGUAGE (ASL)
BRITISH SIGN LANGUAGE
(BSL)

15. Presented by
Mahmudul Hassan
ENG 04706470