Dialects: None known. Related to American , and Nigerian , sign languages. ASL introduced in 1957 by missionary Andrew Foster. Ghanaian SL now differs from American Sign Language with new and local signs, and some modified from ASL.
Genealogy:
Language Use: 9 deaf schools. Other deaf people use home signs. Primary schools for deaf children since 1957. Sign language interpreters required in court. Little research has been done. Some sign language classes for hearing people. Used as L2 by Adamorobe Sign Language [ads].
Typology: Finger-spelling system.
Nation of Origin: Ghana
Other Comments: Manual alphabet for signing.