alexa Auditory Processing Disorders Open Access Articles|OMICS International|Journal Of Communication Disorders, Deaf Studies And Hearing Aids

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Auditory Processing Disorders Open Access Articles

Auditory processing disorder (APD), also known as central auditory processing disorder (CAPD) is an umbrella term for a variety of disorders that affect the way the brain processes auditory information. Individuals with APD usually have normal structure and function of the outer, middle and inner ear (peripheral hearing). However, they cannot process the information they hear in the same way as others do, which leads to difficulties in recognizing and interpreting sounds, especially the sounds composing speech. It is thought that these difficulties arise from dysfunction in the central nervous system (i.e., brain). APD has been referred to as dyslexia for the ears. APD does not feature in mainstream diagnostic classifications such as the Diagnostic and Statistical Manual of Mental Disorders, 4th Edition (DSM-IV). The American Academy of Audiology notes that APD is diagnosed by difficulties in one or more auditory processes known to reflect the function of the central auditory nervous system. APD can affect both children and adults, although the actual prevalence is currently unknown. It has been suggested that males are twice as likely to be affected by the disorder as females, but there are no good epidemiological studies. Problems of this kind originate in the brain rather than the ear. The ear’s role in hearing is to turn a sound wave into a neural signal. This is then transmitted up the auditory nerve to different brain regions that decode the signal. Studies of adult neurological patients have shown that if certain brain regions are damaged then it can be difficult to interpret what is heard, even though you know a sound occurred. We also know from studies of animals that there are cells in the auditory regions of the brain that respond to specific sound features, such as pitch, duration or spatial location. So it seems entirely plausible that there may be children who have developmental abnormalities of the central auditory system that affect their ability to perceive particular sound features, with consequent knock-on effects on language development. Open access to the scientific literature means the removal of barriers (including price barriers) from accessing scholarly work. There are two parallel “roads” towards open access: Open Access articles and self-archiving. Open Access articles are immediately, freely available on their Web site, a model mostly funded by charges paid by the author (usually through a research grant). The alternative for a researcher is “self-archiving” (i.e., to publish in a traditional journal, where only subscribers have immediate access, but to make the article available on their personal and/or institutional Web sites (including so-called repositories or archives)), which is a practice allowed by many scholarly journals. Open Access raises practical and policy questions for scholars, publishers, funders, and policymakers alike, including what the return on investment is when paying an article processing fee to publish in an Open Access articles, or whether investments into institutional repositories should be made and whether self-archiving should be made mandatory, as contemplated by some funders.
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Last date updated on July, 2014

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