This qualitative, longitudinal, single-case study analyzes naturalistic interactions in Swedish Sign Language. Multiple interactions took place mainly between a mother and a deaf twin on twelve occasions. The participants' actions and language structure are examined as the child progressed from ten to forty months of age. The results are presented…

In recent years, the intersection of cognitive psychology, developmental psychology, and neuroscience with regard to deaf individuals has received increasing attention from a variety of academic and educational audiences. Both research and pedagogy have addressed questions about whether deaf children learn in the same ways that hearing children…

The aim of this longitudinal case study was to describe bimodal and bilingual acquisition in a hearing child, Hugo, especially the role his Deaf family played in his linguistic education. Video observations of the family interactions were conducted from the time Hugo was 10 months of age until he was 40 months old. The family language was Swedish…

Studied the case of bilingual acquisition across two modalities to examine diverging hypotheses about the types of knowledge underlying early bilingualism. Three children acquiring Langues des Signes Quebecoise and French, and three children acquiring French and English were videotaped over a year while novel and familiar speakers of each child's…

A longitudinal study investigated how a hearing child of deaf parents simultaneously acquired American Sign Language and spoken English. Neither of two unique properties of signed language (personal pronouns or "negative" sign markers) facilitated acquisition of English, suggesting that children's acquisition of grammar is relatively…

This review of research on language development of hearing children of deaf parents identified three areas of focus: (1) oral language development; (2) sign language development; and (3) mode of communication--oral and/or manual. Areas of future study are suggested. (Author/DB)