Lecture 3b - Lecture 3 B Children with hearing impairments Classification Introduction Hearing impairment generic term indicating a hearing

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Lecture 3. B) Children with hearing impairments – Classification Introduction - Hearing impairment: generic term indicating a hearing disability that may range in severity from mild to profound - Deaf persons: those whose hearing disability precludes successful processing of language through hearing - “Hard of hearing”: describes a hearing loss that is less severe than deafness and usually permits the understanding of spoken language with the use of hearing aids - Residual hearing: remaining hearing abilities that, with the help of aids, detects sounds in the environment and can be used to learn speech - Four major classification systems for hearing impairment o Severity o Etiology o Site of deficit o Age of onset Classification by severity - Measured by the amount of acuity in a persons better ear - Acuity is measured by the subject’s response to loudness across a range of frequencies - Decibel: smallest difference in loudness intensity that is perceived - Hearing loss is measured on a decibel scale starting at zero o This is the point at which people with normal hearing can detect the faintest sound - Inability to hearing sounds of 25-30 dB or more is considered hearing loss
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This note was uploaded on 03/27/2012 for the course PSYCHOLOGY 2043 taught by Professor Goldberg during the Spring '11 term at UWO.

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Lecture 3b - Lecture 3 B Children with hearing impairments Classification Introduction Hearing impairment generic term indicating a hearing

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