11/9/2022 0 Comments Types of gestures![]() Everybody gestures, but despite its ubiquity, gesture is often seen as secondary to spoken language, receiving less attention in language research. Our hands help us talk, think, and remember, sometimes revealing unique knowledge that cannot yet be verbalized ( Goldin-Meadow et al., 1993). Congenitally blind speakers who have never seen gesture even gesture to blind listeners ( Iverson and Goldin-Meadow, 1997, 1998). Indeed, babies gesture before they produce their first words ( Bates, 1976). People from all known cultures and linguistic backgrounds gesture ( Feyereisen and de Lannoy, 1991), and gesture is fundamental to communication. Spontaneous hand movements produced in rhythm with speech are called co-speech gestures and naturally accompany all spoken language. ![]() We discuss implications for leveraging gesture to explore its untapped potential in understanding and rehabilitating neurogenic communication disorders. ![]() Such future work would benefit from considering theoretical perspectives of gesture and using more rigorous and quantitative empirical methods in its approaches. This review highlights several gaps in the field of communication disorders which may serve as a bridge for applying the psychological literature of gesture to the study of language disorders. The neuroanatomical and behavioral profiles of these patient populations provide a unique opportunity to test theories of the relationship of speech and gesture and advance our understanding of their neural correlates. We review the literature characterizing gesture production and its role in intervention for people with aphasia, as well as describe the much sparser literature on gesture in cognitive communication disorders including right hemisphere damage, traumatic brain injury, and Alzheimer’s disease. While few studies have examined the rehabilitative potential of gesture in these populations, others have ignored gesture entirely or even discouraged its use. Despite this evidence, gesture has been relatively understudied in populations with neurogenic communication disorders. ![]() We review a robust literature from the field of psychology documenting the benefits of gesture for communication for both speakers and listeners, as well as its important cognitive functions for organizing spoken language, and facilitating problem-solving, learning, and memory. Theoretical perspectives of speech and gesture propose that they share a common conceptual origin and have a tightly integrated relationship, overlapping in time, meaning, and function to enrich the communicative context. Gesture is a fundamental component of language that contributes meaningful and unique information to a spoken message and reflects the speaker’s underlying knowledge and experiences. Communication and Memory Lab, Department of Hearing and Speech Sciences, Vanderbilt University Medical Center, Nashville, TN, United States. ![]()
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