Related Experiment Videos
Language preference and communication development of a hearing and deaf twin pair
R Gaines1, B L Halpern-Felsher
1Department of Psychiatry, University of California, Los Angeles, USA.
American Annals of the Deaf
|March 1, 1995
Summary
This study followed deaf and hearing twins, finding both learned language. The hearing twin preferred vocalizations, while the deaf twin primarily used sign language and imitation.
Area of Science:
- Developmental Psychology
- Linguistics
- Deaf Studies
Background:
- Observational study tracking communication development in monozygotic twins from 13 to 36 months.
- One twin developed profound deafness after meningitis at 7 months; the other remained hearing.
- Both twins participated in a total communication preschool program.