Understanding sign language development by deaf children / Issues of linguistic typology in the study of sign language development of deaf children / The development of gesture in hearing and deaf children / Patterns and effects of language input to deaf infants and toddlers from deaf and hearing mothers / Acquiring a visually-motivated language / exical development of deaf children acquiring signed languages / Deaf children are verb attenders / Learning to fingerspell twice / The form of early signs / Acquisition of syntax in signed languages / How faces come to serve grammar / Deaf children's acquisition of modal terms / The development of narrative skills in British Sign Language / Natural signed language acquisition within the social context of the classroom