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Audio Testing for FST
Many children with learning problems show signs of auditory processing difficulties. These may present as auditory inattentiveness, lack of ready response to auditory input, poor auditory memory, problems with phonics or with spelling, or a speech and language delay or disorder.
These are behaviors that can be readily identified in a classroom situation since this kind of auditory processing problem may be at the root of the difficulties of about 40% of children with learning difficulties, although the percentage is believed by some researchers to be as high as 80%.
Learning problems are not the only symptom of poor auditory processing, but behavior problems can also result in hyperactivity, or an attention-deficit problem. (There are two excellent articles on this subject in J Katz, ed., Clinical Audiology).
The essential concept with the auditory processing problems of children is the matter of the pre-linguistic processing of the auditory stimulus that appears to be inadequate. The hearing may or may not be impaired, there may be a hearing loss as well as a processing problem. There may be a processing problem in the absence of a hearing loss. Hearing loss and processing problems must be evaluated as separate issues, although they may be related.
A percentage of children with poor auditory processing may show diminished or slow response to auditory input, but others may show a hyper-sensitivity to sound, – they may overreact to common noises, and be distressed by classroom sounds. They may cover their ears, or retreat from crowds. They may be aggressive, or have tantrums in shopping centres. Sometimes the “acts as if deaf” behaviour is a tuning-out of painful sound.
FST practitioners will in some cases read an Audiogram done by an Audiologist to determine what settings to use in the course of FST. IT IS EMPHASIZED THAT THIS IS NOT A HEARING TEST, AND CANNOT BE INTERPRETED FOR THE STATUS OF THE PERSON’S HEARING. Should there be concern about the client’s hearing, they are referred to an audiologist or medical practitioner.
It is essential to obtain the following kind of Audiogram:
All ten frequencies must be tested in both ears, i.e. 250Hz, 500, 750, 1000, 1500, 2000, 3000, 4000, 6000 and 8000, and more if the audiometer will allow at 125Hz. It is essential to find the actual threshold for each frequency, where possible. Even test above 0 dB, to -10 dB if necessary. This is to identify one form of hyper-acute hearing. It is not sufficient to simply screen for hearing loss.
Please note that only a certificated FST practitioner may interpret the result of this hearing test FOR FST PURPOSES AND SUITABILITY.
A “good” audiogram will be seen as an even or smooth curve as close as possible to the 0 dB line. Any curve that falls within 0 and 10 dB , and is even , may indicate adequate processing, in the absence of behavioral indicators of problems. (There may be an auditory processing problem as seen in classroom and social performance even though the audiogram looks good.)
If the audiogram shows “peaks” and “valleys”, and / or some non- medical loss of acuity, even though the overall curve falls within 0 and 20 dB, we can say that there is audiometric confirmation of the behavioral indicators for an auditory processing problem. It is not desirable to test for the loudest sound a child can tolerate.
Audio Testing for FST: Inventory
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