Children's acquisition of directional verbs in sign languages has received a lot of attention, but less is known about the sociocultural process of using these verbs, especially in the context of emerging sign languages in diverse language ecologies. Directional verbs are a common grammatical phenomenon of many sign languages in which some verbs…

We discuss the causative-inchoative alternation in Turkish Sign Language (Türk Isaret Dili -- TID), and the age of acquisition effects on multi-predicate, complex constructions that are observed in both causative and inchoative events. We present a picture-description task performed by 24 adult signers, half of which were exposed to TID from birth…

Deaf people use visual language and communication strategies naturally. Moreover, hearing people (both young children and adults) can also benefit from sign language and the visual strategies that deaf parents and teachers use with young children, an example of deaf gain. This paper will provide an overview of the concept of deaf gain, review…

Acquisition of natural language has been shown to fundamentally impact both one's ability to use the first language and the ability to learn subsequent languages later in life. Sign languages offer a unique perspective on this issue because Deaf signers receive access to signed input at varying ages. The majority acquires sign language in (early)…

Language knowledge, age of acquisition (AoA), and stimulus intelligibility all affect gaze behavior for reading print, but it is unknown how these factors affect "sign-watching" among signers. This study investigated how these factors affect gaze behavior during sign language comprehension in 52 adult signers who acquired American Sign…

Late exposure to the first language, as in the case of deaf children with hearing parents, hinders the production of linguistic expressions, even in adulthood. Less is known about the development of language soon after language exposure and if late exposure hinders all domains of language in children and adults. We compared late signing adults and…

The aim of this study is to analyze Italian Sign Language (LIS) linguistic skills in two groups of deaf signing children at different ages, and to compare their skills with those of a group of deaf signing adults. For this purpose, we developed a new Sentence Reproduction Task (SRT) for Italian Sign Language (LIS-SRT), which we administered to 33…

D/deaf children of Deaf parents reportedly begin learning finger-spelling as young as thirteen months old, but deaf children born to hearing, nonsigning parents lack natural access to the native (spoken) language of their families, often exhibiting later language development. Forty-four deaf adults participated in a fingerspelling test of…

When children interpret spoken language in real time, linguistic information drives rapid shifts in visual attention to objects in the visual world. This language-vision interaction can provide insights into children's developing efficiency in language comprehension. But how does language influence visual attention when the linguistic signal and…

Two key areas of language development include semantic and phonological knowledge. Semantic knowledge relates to word and concept knowledge. Phonological knowledge relates to how language parameters combine to create meaning. We investigated signing deaf adults' and children's semantic and phonological sign generation via one-minute tasks,…

In this article two dimensions of handshape complexity are analyzed as potential building blocks of phonological contrast-joint complexity and finger group complexity. We ask whether sign language patterns are elaborations of those seen in the gestures produced by hearing people without speech (pantomime) or a more radical reorganization of them.…

Sign language comprehension requires visual attention to the linguistic signal and visual attention to referents in the surrounding world, whereas these processes are divided between the auditory and visual modalities for spoken language comprehension. Additionally, the age-onset of first language acquisition and the quality and quantity of…

Language acquisition involves learning not only grammatical rules and a lexicon but also what people are intending to convey with their utterances: the semantic/pragmatic component of language. In this article we separate the contributions of linguistic development and cognitive maturity to the acquisition of the semantic/pragmatic component of…

"The Oxford Handbook of Deaf Studies in Literacy" brings together state-of-the-art research on literacy learning among deaf and hard of hearing learners (DHH). With contributions from experts in the field, this volume covers topics such as the importance of language and cognition, phonological or orthographic awareness, morphosyntactic…

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…