Sign

Deaf frenchman who was educated in Paris and taught in Brazil then Mexico

Jonathan Lambert

Milan conference supporting oralism/ AG Bell foundation/ National Association for the Deaf

Abe signed treaty for 1st Deaf College

• Juarez
• 

• 30 Deaf schools in US
• 

1834

42%

Duality of Patterning - Meaningful signs (words) are made of -- and distinguished from one another by -- meaningless parts (sounds, letters)

Traditional Transmission - The learning of language occurs in social groups.

Productivity - The ability to create new messages by combining already-existing signs.

Displacement - The ability to talk about things that are not physically present.

Specialization - Speech is produced for communication, not chiefly for some other function, such as echolocation.

Each unit of communication can be separated and unmistakable.

There is no direct connection between the signal and its meaning.

Speech sounds can be linked to specific meanings.

ndividuals are able to hear and internalize a message they have sent.

The speaker has the ability to receive and also send the same message.

The sound made by speech diminishes quickly after being released.

The audible sound of language is heard in all directions but listeners will interpret it as coming from one specific direction

• Spoken language is produced in the vocal tract and transmitted/heard as
• sound, whereas sign language is produced with the hands and transmitted
• by light