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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.
Parents carrying the deletion often have no history of intellectual disability or autism spectrum disorder. [ 1 ] [ 2 ] [ 10 ] Prevalence of 16p11.2 deletion syndrome was initially estimated to be 3 in 10,000 in the general population, [ 3 ] [ 11 ] though more recent estimates have increased to 1 in 2,000.
Speech and language disorders commonly include communication issues, but also extend into various areas such as oral-motor function—sucking, swallowing, drinking, or eating. In some cases, a child's communication is delayed considerably behind his/her same-aged peers.
Someone who is unable to speak due to a speech disorder is considered mute. [2] Speech skills are vital to social relationships and learning, and delays or disorders that relate to developing these skills can impact individuals function. [3] For many children and adolescents, this can present as issues with academics. [4]
A late talker is a toddler experiencing late language emergence (LLE), [2] [3] which can also be an early or secondary sign of an autism spectrum disorder, or other developmental disorders, such as fetal alcohol spectrum disorder, attention deficit hyperactivity disorder, intellectual disability, learning disability, social communication disorder, or specific language impairment.
Specific language impairment (SLI) (the term developmental language disorder is preferred by some) [1] is diagnosed when a child's language does not develop normally and the difficulties cannot be accounted for by generally slow development, physical abnormality of the speech apparatus, autism spectrum disorder, apraxia, acquired brain damage or hearing loss.
Many tend to confuse language delay with speech delay or even just late talker. All of these have different telltale signs and determining factors. Speech delay seems to be more similar to late talker compared to language delay. Speech is the verbal motor production of language, while language is a means of communication. [1]
[10] [11] Children with mixed receptive-expressive language disorder are often likely to have long-term implications for language development, literacy, behavior, social development, and even mental health problems. [6] If suspected of having a mixed receptive-expressive language disorder, treatment is available from a speech therapist or ...
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