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The gestural theory states that speech was a relatively late development, evolving by degrees from a system that was originally gestural. Human ancestors were unable to control their vocalisation at the time when gestures were used to communicate; however, as they slowly began to control their vocalisations, spoken language began to evolve.
The origin of language, its relationship with human evolution, and its consequences have been subjects of study for centuries.Scholars wishing to study the origins of language draw inferences from evidence such as the fossil record, archaeological evidence, contemporary language diversity, studies of language acquisition, and comparisons between human language and systems of animal ...
The Maturational Theory of child development was introduced in 1925 [1] by Dr. Arnold Gesell, an American educator, pediatrician and clinical psychologist whose studies focused on "the course, the pattern and the rate of maturational growth in normal and exceptional children"(Gesell 1928). [2]
The theory that language evolved from manual gestures, termed Gestural Theory, dates back to the work of 18th-century philosopher and priest Abbé de Condillac, and has been revived by contemporary anthropologist Gordon W. Hewes, in 1973, as part of a discussion on the origin of language. [4]
The plan of an utterance is formatted as a gestural score, which provides the input to a physically based model of speech production – the task dynamic model of Elliot Saltzman. [ 6 ] [ 7 ] The gestural score graphs locations within the vocal tract where constriction can occur, indicating the planned or target degree of constriction.
Gestures are distinct from manual signs in that they do not belong to a complete language system. [6] For example, pointing through the extension of a body part, especially the index finger to indicate interest in an object is a widely used gesture that is understood by many cultures [7] On the other hand, manual signs are conventionalized—they are gestures that have become a lexical element ...
More arrests are expected in the alleged sex trafficking of Long Island teen Emmarae Gervasi, The Post has learned. “There’s a few more people” Suffolk County police are looking into, said a ...
Goldstein's current research involves the development of the gestural model and its application to three problems. (1) Phonological encoding in speech production. The nature of the representations assembled during speech production are investigated experimentally, including measurement of articulatory activity during speech errors.