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Speakers vary their speed of speaking according to contextual and physical factors. A typical speaking rate for English is 4 syllables per second, [5] but in different emotional or social contexts the rate may vary, one study reporting a range between 3.3 and 5.9 syl/sec, [6] Another study found significant differences in speaking rate between story-telling and taking part in an interview.
Speech is the verbal motor production of language, while language is a means of communication. [1] Because language and speech are independent, they may be individually delayed. For example, a child may be delayed in speech (i.e., unable to produce intelligible speech sounds), but not delayed in language because they use a Sign Language.
The production of spoken language involves three major levels of processing: conceptualization, formulation, and articulation. [1] [8] [9]The first is the processes of conceptualization or conceptual preparation, in which the intention to create speech links a desired concept to the particular spoken words to be expressed.
Sometimes it shows up as blocked speech; the child’s mouth will open, but no words come out. ... stuttering is common and can be a normal part of speech development. Early signs of stuttering ...
Hazan and Barrett (2000) [6] suggest that this development can cotton into late childhood; 6- to 12-year-old children showed increasing mastery of discriminating synthesized differences in place, manner, and voicing of speech sounds without yet achieving adult-like accuracy in their own production.
Children have to learn to distinguish different sounds and to segment the speech stream they are exposed to into units – eventually meaningful units – in order to acquire words and sentences. One reason that speech segmentation is challenging is that unlike between printed words, no spaces occur between spoken words.
Speech delay, also known as alalia, refers to a delay in the development or use of the mechanisms that produce speech. [1] Speech – as distinct from language – is the actual process of making sounds, using such organs and structures as the lungs, vocal cords, mouth, tongue, teeth, etc. Language delay refers to a delay in the development or use of the knowledge of language.
A typical child should acquire many of the critical components of a language by age three. [18] Children who, when compared with peers their age, are not as competent in language in terms of language processing and speech production or areas related to communication, could possibly be displaying signs of global developmental delay.
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