Re: Auditory illusion, and Auditory Processing Disorder (Dr JI Alcantara )

Subject: Re: Auditory illusion, and Auditory Processing Disorder
From:    Dr JI Alcantara  <jia10@xxxxxxxx>
Date:    Wed, 10 Aug 2011 01:37:23 +0100

Dear Kevin, Without wishing to be overly pedantic about this, I really do think you need to define what you might mean by an "auditory illusion", to answer a question like this one. I guess that certain 'low-level' auditory illusions (i.e., that arise from auditory features of the cochlear, AN and brainstem processing), if that is what they are accepted as being, might be different in APD, e.g., the audibility of a mistuned harmonic in a complex tone. Other 'high-level' illusions, that necessitate cortical processing, e.g., the tritone paradox, that presupposes the existence of an implicit form of absolute pitch, might not be ... You'd really need to modify alot of these illusion tasks to get them into some form that gives you a reliable performance metric, which they may not easily provide at the moment? Cheers, Jose On Aug 9 2011, Kevin Austin wrote: > What, if any, are the relationships between 'auditory illusion', and APD > (auditory processing disorder)? > > Is it that APD is diagnosed as being less prevalent? What might cause it > to be up to eight times more prevalent in adults than in children? Are > auditory illusions more prevalent in children than in adults? > > >Thanks > >Kevin > > > > > >from: > > > Auditory Processing Disorder (APD), also known as (Central) Auditory > Processing Disorder ((C)APD) is an umbrella term for a variety of > disorders that affect the way the brain processes auditory information. > It is not a sensory (inner ear)hearing impairment; individuals with APD > usually have normal peripheral hearing ability. 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. > > APD can affect both children and adults. Approximately 2-3% of children > and 17-20% of adults have this disorder. Males are two times more likely > to be affected by the disorder than females. > -- José Ignacio Alcántara, PhD University Lecturer Department of Experimental Psychology University of Cambridge Downing Street Cambridge CB2 3EB UK Tel: +44 (0)1223 764412 Fellow of Fitzwilliam College Storeys Way Cambridge CB3 0DG UK Tel: +44 (0)1223 472126

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