Looks at the origins of language, arguing that sign language and speech develeped at the same time and that language uses both auditory and visual senses.
Most scholarly speculation on the origin of human language has centered around speech. However, the growing understanding of sign languages on human development has transformed the debate on language
On April 4, 1864, President Abraham Lincoln and the United States Congress put into effect legislation authorizing the granting of collegiate degrees by the Columbia Institution for the Instruction of
In The Gestural Origin of Language, Sherman Wilcox and David Armstrong use evidence from and about sign languages to explore the origins of language as we know it today. According to their model, it
