Method and apparatus for diagnosing and remediating language-based learning impairments
First Claim
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1. A method of screening an individual for audio perception problems, the meted comprising the steps of:
- a) providing a target-mask stimulus pair comprising a target sound stimulus and a mask sound stimulus to determine whether the individual can detect the target sound stimulus when followed by the mask sound stimulus, or whether the individual cannot detect the target sound stimulus because the mask sound stimulus backward masks the target sound stimulus;
b) presenting the target sound stimulus and the mask sound stimulus such that a starting interstimulus interval (ISI) between the target and the mask is sufficiently wide such that individuals with normal audio perception can detect the target sound stimulus in the presence of the mask sound stimulus when the target sound stimulus is at a prescribed level relative to a mask sound stimulus level;
c) changing the ISI by a prescribed amount;
d) producing the target sound stimulus and the mask sound stimulus with the changed ISI while maintaining the prescribed relative target stimulus to mask stimulus levels;
e) determining whether the individual can detect the target sound stimulus; and
f) if the individual cannot detect the target sound stimulus signal then repeating the steps c) through e) until the individual can detect the target sound stimulus.
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Abstract
The present invention provides an improved method and apparatus for the identification and treatment of language perception problems in specific language impaired (SLI) individuals. The invention provides a method and apparatus for screening individuals for SLI and training individuals who suffer from SLI to remediate the effects of the impairment by using the spectral content of interfering sound stimuli and the temporal ordering or direction of the interference between the stimuli.
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2 Claims
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1. A method of screening an individual for audio perception problems, the meted comprising the steps of:
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a) providing a target-mask stimulus pair comprising a target sound stimulus and a mask sound stimulus to determine whether the individual can detect the target sound stimulus when followed by the mask sound stimulus, or whether the individual cannot detect the target sound stimulus because the mask sound stimulus backward masks the target sound stimulus;
b) presenting the target sound stimulus and the mask sound stimulus such that a starting interstimulus interval (ISI) between the target and the mask is sufficiently wide such that individuals with normal audio perception can detect the target sound stimulus in the presence of the mask sound stimulus when the target sound stimulus is at a prescribed level relative to a mask sound stimulus level;
c) changing the ISI by a prescribed amount;
d) producing the target sound stimulus and the mask sound stimulus with the changed ISI while maintaining the prescribed relative target stimulus to mask stimulus levels;
e) determining whether the individual can detect the target sound stimulus; and
f) if the individual cannot detect the target sound stimulus signal then repeating the steps c) through e) until the individual can detect the target sound stimulus. - View Dependent Claims (2)
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Current AssigneeScientific Learning Corp. (Carnegie Learning, Inc.)
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Original AssigneeScientific Learning Corp. (Carnegie Learning, Inc.)
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InventorsMerzenich, Michael M., Nagarajan, Srikantan, Wright, Beverly A., Protopapas, Athanassios
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Primary Examiner(s)Williams, Hezron
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Assistant Examiner(s)MILLER, ROSE MARY
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Application NumberUS09/617,585Time in Patent Office588 DaysField of Search735/85, 600/559, 434/185, 434/156, 434/118, 434/169US Class Current73/585CPC Class CodesA61B 5/12 Audiometering
