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Functional illiteracy is contrasted with illiteracy in the strict sense, meaning the inability to read or write complete, correctly spelled sentences in any language. The characteristics of functional illiteracy vary from one culture to another, as some cultures require more advanced reading and writing skills than do others.
Computer accessibility refers to the accessibility of a computer system to all people, regardless of disability type or severity of impairment. The term accessibility is most often used in reference to specialized hardware or software, or a combination of both, designed to enable the use of a computer by a person with a disability or impairment.
Usually learnt and used by patients who cannot use their larynges to speak. Once the patient has forced the air into their esophagus, the air vibrates a muscle and creates esophageal voice. Esophageal voice tends to be difficult to learn and patients are often only able to talk in short phrases with a quiet voice.
Technology is another avenue of intervention, and can help children whose physical conditions make communication difficult. These devices are equipped with assistive technology features that enable the user to express themself, interact with peers, and be able to participate in all aspects of life.
The most common technique may be to insert small blocks of custom-shaped silastin just inside of the tracheal wall, pushing the vocal fold muscle inward (medialization). This typically strengthens the output of a weaker voice but it also reduces the exchange volume of pulmonary function , as the tracheal opening has been permanently reduced.
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Muteness is the complete inability to speak. Speech sound disorders involve difficulty in producing specific speech sounds (most often certain consonants, such as /s/ or /r/), and are subdivided into articulation disorders (also called phonetic disorders) and phonemic disorders. Articulation disorders are characterized by difficulty learning to ...
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