Two different sign languages are in use by deaf persons in Jamaica. The "urban" variation is very similar to varieties of signing used in the United States, while the "rural" or "country" sign language is marked by use of physical portrayals and emphasis on physical characteristics. (CB)

A review of "Sign Languages Used by Deaf People, and Psycholinguistics: A Critical Evaluation" (A. Van Uden, 1986), a book "denying that ...there is any such thing as a sign language," points out that a sign language's perceived lack of phonological and morphological rules is a more social than linguistic problem. (CB)