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The Meaning of Space in Sign Language
Bringing together sign language linguistics and the semantics-pragmatics interface, this book focuses on the use of signing space in Catalan Sign Language (LSC). On the basis of small-scale corpus data, it provides an exhaustive description of referential devices dependent on space. The book provides insight into the study of meaning in the visual-spatial modality and into our understanding of the discourse behavior of spatial locations.
eBook
Signs and structures : formal approaches to sign language syntax
As sign language linguistics has become an important and prodigious field of research in the last few decades, it comes as no surprise that the repertoire of methodological approaches to the study of the communication of the Deaf has also expanded considerably. While earlier work on sign languages was often focused on providing arguments for them being full-fledged linguistic systems, current debates do no longer center on whether visual-spatial grammars are worth being researched, but on how this type of research should be conducted. This book contains a selection of papers that could be thought of as a good representative sample of current trends in formal approaches to the study of sign language syntax. It illustrates how generative research on the communication of the Deaf may contribute to our understanding of the syntax of natural languages in general and indicates to what extent it is possible to integrate advances in the analysis of visual-spatial grammar with current spoken language research.Originally published in Sign Language Linguistics 16:2 (2013).
eBook
The language instinct in extreme circumstances: The transition to tactile Italian Sign Language (LISt) by Deafblind signers
Tactile sign languages used by Deafblind signers are most often acquired by signers competent in a visual sign language who can no longer rely on the grammatical system of the visual language as it is, since some of its features are lost due to the loss of vision. A natural question is which repair strategies are adopted to compensate for the loss of the grammatical features of the visual language that can no longer be perceived. We argue that the transformation of LIS (Italian Sign Language) into tactile Italian Sign Language (LISt) is constrained by grammatical principles, rather than reflecting communication strategies that in principle might compensate for the visual loss equally well. Certain innovations are introduced to carry over the grammatical features of LIS to LISt. Even when LISt undergoes processes that make it diverge from LIS, these processes are attested in other natural languages. For example, among the innovations unconsciously introduced by LISt signers we found an instance of cross-modal grammaticalization. Our research suggests that tactile languages have the potential of becoming complete grammatical systems, at least when they build on previous knowledge of a visual sign language.
Journal Article
Modal and Focus Particles in Sign Languages
Bringing together the research fields of sign language linguistics and information structure, this bookfocuses onthe realization of modal particles and focus particles in three European sign languages: German Sign Language, Sign Language of the Netherlands, and Irish Sign Language. As a cross-linguistic investigation based on a systematic methodological approach, thestudy analyzes the results particularly with regard to nonmanual features expressed by articulators such as the body, head, and face. The analyses of the data provide interesting insights into the syntax-prosody interface in sign languages and the interaction of syntax and prosody in general. Modal and focus particles have not been thoroughly investigated in sign languages. This volumepresents the first studyon this phenomenonand is thus an innovative contribution to the field. From a methodological and theoretical perspective, it draws onup-to-date linguistic tools and provides professionally elicited and annotated data. The bookaccounts for theresultswithin existing theoretical models. Given its specific focus on nonmanuals, the book contributes to recent debates on information structure and the syntax-prosody interface and will be of special interest to both sign and spoken language linguists.
eBook
Iconic Syntax: sign language classifier predicates and gesture sequences
We argue that the pictorial nature of certain constructions in signs and in gestures explains surprising properties of their syntax. In several sign languages, the standard word order (e.g. SVO) gets turned into SOV (with preverbal arguments) when the predicate is a classifier, a distinguished construction with highly iconic properties (e.g. Pavlič, 2016). In silent gestures, participants also prefer an SOV order in extensional constructions, irrespective of the word order of the language they speak (Goldin-Meadow et al., 2008). But in silent gestures and in Brazilian Sign Language (Libras), intensional constructions can override these SOV preferences, yielding SVO instead (Schouwstra & de Swart, 2014; Napoli et al., 2017). This distinction was argued to be due to iconicity: arguments are expressed before the verb if they correspond to entities that are present before the action, otherwise they follow the verb. While agreeing with this intuition, we propose that the extensional/intensional distinction is neither empirically nor theoretically appropriate. In new data from American Sign Language, we replicate the distinction among extensional classifier predicates: for x ate up the ball, the ball is typically seen before the eating and a preposed object is preferred; but for x spit out the ball, the ball is typically seen after the spitting and a postposed object is preferred, although both eat up and spit out are used extensionally. We extend this finding to data involving pro-speech (= speech-replacing) gestures embedded in French sentences. We argue for a Visibility Generalization according to which arguments appear before the verb if their denotations are typically visible before the action, and we develop a new formal account within a pictorial semantics for visual animations (inspired by Greenberg and Abusch). It derives the observed word order preferences, it explains how the semantics of classifier predicates combines iconic and conventional properties, and it makes a more general point: sign language semantics combines logical semantics with pictorial semantics.
Journal Article
Gesture, sign, and language: The coming of age of sign language and gesture studies
How does sign language compare with gesture, on the one hand, and spoken language on the other? Sign was once viewed as nothing more than a system of pictorial gestures without linguistic structure. More recently, researchers have argued that sign is no different from spoken language, with all of the same linguistic structures. The pendulum is currently swinging back toward the view that sign is gestural, or at least has gestural components. The goal of this review is to elucidate the relationships among sign language, gesture, and spoken language. We do so by taking a close look not only at how sign has been studied over the past 50 years, but also at how the spontaneous gestures that accompany speech have been studied. We conclude that signers gesture just as speakers do. Both produce imagistic gestures along with more categorical signs or words. Because at present it is difficult to tell where sign stops and gesture begins, we suggest that sign should not be compared with speech alone but should be compared with speech-plus-gesture. Although it might be easier (and, in some cases, preferable) to blur the distinction between sign and gesture, we argue that distinguishing between sign (or speech) and gesture is essential to predict certain types of learning and allows us to understand the conditions under which gesture takes on properties of sign, and speech takes on properties of gesture. We end by calling for new technology that may help us better calibrate the borders between sign and gesture.
Journal Article
Processing code-blending beyond the lexical level: evidence for a double syntactic derivation?
Bimodal bilinguals master languages in two modalities, spoken and signed, and can use them simultaneously due to the independence of the articulators. This behavior, named code-blending, is one of the hallmarks of bimodal bilingualism. Lexical experiments on production and comprehension in American Sign Language/English showed that blending is not cognitively costly and facilitates lexical access. In this work, we replicated the blending advantage in lexical comprehension for hearing bimodal bilinguals with two other language pairs, French Sign Language (LSF)–French and Italian Sign Language (LIS)–Italian, and we explored whether the facilitation is also found at the sentential level. Results show that blended utterances for languages with incongruent word order like LIS–Italian were processed slower than monolingual utterances, while no difference was found when the word orders were congruent (LSF–French). We discuss these findings in light of linguistic theories of syntactic structure derivation in bimodal bilinguals.
Journal Article
INFLUENCE OF PREDICATE SENSE ON WORD ORDER IN SIGN LANGUAGES: INTENSIONAL AND EXTENSIONAL VERBS
We present evidence for the influence of semantics on the order of subject, object, and verb in Brazilian Sign Language (Libras) sentences. While some have argued for a prevailing pattern of SVO in Libras, we find a strong tendency for this order in sentences that do not presuppose the existence of the verb's object, but not in sentences that do, which instead favor SOV. These findings are coherent with those of a recent study on gesture. We argue that the variable influence of the relevant predicates is particularly salient in sign languages, due to the iconic nature of the visual modality.*
Journal Article
From rule-based models to deep learning transformers architectures for natural language processing and sign language translation systems: survey, taxonomy and performance evaluation
With the growing Deaf and Hard of Hearing population worldwide and the persistent shortage of certified sign language interpreters, there is a pressing need for an efficient, signs-driven, integrated end-to-end translation system, from sign to gloss to text and vice-versa. There has been a wealth of research on machine translations and related reviews. However, there are few works on sign language machine translation considering the particularity of the language being continuous and dynamic. This paper aims to address this void, providing a retrospective analysis of the temporal evolution of sign language machine translation algorithms and a taxonomy of the Transformers architectures, the most used approach in language translation. We also present the requirements of a real-time Quality-of-Service sign language machine translation system underpinned by accurate deep learning algorithms. We propose future research directions for sign language translation systems.
Journal Article