Many nonverbal behaviors—smiling, blushing, shrugging—reveal our emotions. One nonverbal behavior, gesturing, exposes our thoughts. This book explores how we move our hands when we talk, and what it means when we do so. Susan Goldin-Meadow begins with an intriguing discovery: when explaining their answer to a task, children sometimes communicate different ideas with their hand gestures than with their spoken words. Moreover, children whose gestures do not match their speech are particularly likely to benefit from instruction in that task. Not only do gestures provide insight into the unspoken thoughts of children (one of Goldin-Meadow’s central claims), but gestures reveal a child’s readiness to learn, and even suggest which teaching strategies might be most beneficial. In addition, Goldin-Meadow characterizes gesture when it fulfills the entire function of language (as in the case of Sign Languages of the Deaf), when it is reshaped to suit different cultures (American and Chinese), and even when it occurs in children who are blind from birth. Focusing on what we can discover about speakers—adults and children alike—by watching their hands, this book discloses the active role that gesture plays in conversation and, more fundamentally, in thinking. In general, we are unaware of gesture, which occurs as an undercurrent alongside an acknowledged verbal exchange. In this book, Susan Goldin-Meadow makes clear why we must not ignore the background conversation.

This book explores how we move our hands when we talk, and what it means when we do so. Focusing on what we can discover about speakers—adults and children alike—by watching their hands, Goldin-Meadow discloses the active role that gesture plays in conversation and, more fundamentally, in thinking.

Virginia Volterra and Carol Erting have made an important contribu tion to knowledge with this selection of studies on language acquisi tion. Collections of studies clustered more or less closely around a topic are plentiful, but this one is 1 nique. Volterra and Erting had a clear plan in mind when making their selection. Taken together, the studies make the case that language is inseparable from human inter action and communication and, especially in infancy, as much a matter of gestural as of vocal behavior. The editors have arranged the papers in five coherent sections and written an introduction to each section in addition to the expected general introduction and conclu sion. No introductory course in child and language development will be complete without this book. Presenting successively studies of hearing children acquiring speech languages, of deaf children acquiring sign languages, of hear ing children of deaf parents, of deaf children of hearing parents, and of hearing children compared with deaf children, Volterra and Erting give one a wider than usual view oflanguage acquisition. It is a view that would have been impossible not many years ago - when the primary languages of deaf adults had received neither recognition nor respect.

The discovery of the importance of sign language in the deaf community is very recent indeed. This book provides a study of the communication and culture of deaf people, and particularly of the deaf community in Britain. The authors' principal aim is to inform educators, psychologists, linguists and professionals working with deaf people about the rich language the deaf have developed for themselves - a language of movement and space, of the hands and of the eyes, of abstract communication as well as iconic story telling. The first chapters of the book discuss the history of sign language use, its social aspects and the issues surrounding the language acquisition of deaf children (BSL) follows, and the authors also consider how the signs come into existence, change over time and alter their meanings, and how BSL compares and contrasts with spoken languages and other signed languages. Subsequent chapters examine sign language learning from a psychological perspective and other cognitive issues. The book concludes with a consideration of the applications of sign language research, particularly in the contentious field of education. There is still much to be discovered about sign language and the deaf community, but the authors have succeeded in providing an extensive framework on which other researchers can build, from which professionals can develop a coherent practice for their work with deaf people, and from which hearing parents of deaf children can draw the confidence to understand their children's world.

This book constitutes the thoroughly refereed post-proceedings of the 7th International Workshop on Gesture-Based Human-Computer Interaction and Simulation, GW 2007, held in Lisbon, Portugal, in May 2007. The 31 revised papers presented were carefully selected from 53 submissions. The papers are organized in topical sections on analysis and synthesis of gesture; theoretical aspects of gestural communication and interaction; vision-based gesture recognition; sign language processing; gesturing with tangible interfaces and in virtual and augmented reality; gesture for music and performing arts; gesture for therapy and rehabilitation; and gesture in Mobile computing and usability studies.

Co-speech gestures are ubiquitous: when people speak, they almost always produce gestures. Gestures reflect content in the mind of the speaker, often under the radar and frequently using rich mental images that complement speech. What are gestures doing? Why do we use them? This book is the first to systematically explore the functions of gesture in speaking, thinking, and communicating – focusing on the variety of purposes served for the gesturer as well as for the viewer of gestures. Chapters in this edited volume present a range of diverse perspectives (including neural, cognitive, social, developmental and educational), consider gestural behavior in multiple contexts (conversation, narration, persuasion, intervention, and instruction), and utilize an array of methodological approaches (including both naturalistic and experimental). The book demonstrates that gesture influences how humans develop ideas, express and share those ideas to create community, and engineer innovative solutions to problems.

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