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Audition, the sense of hearing HOW WE HEAR

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Deferent Types of Loss Deafness The student has difficulty process linguistic information It adversely affects educational performance Hearing Loss A loss that adversely affects educational performance But is not included under the definition of deafness Deaf The student uses vision as the primary mode for learning and communizing DEFINE HEARING LOSS

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Levels of functioning influenced by: Type and degree of hearing loss Age of onset Attitudes of parents and siblings Opportunities to acquire a first language The presence or absence of other disabilities CHARACTERISTICS OF HEARING LOSS

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CAUTION

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English Literacy and Speaking Skills Students with hearing loss Have smaller vocabularies Learn concrete words more easily than abstract words Have difficulty with function words and omit endings of words Have difficulty differentiating questions from statements CHARACTERISTICS (CONT.)

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Behavioral difficulties in school and social situations are more likely in children with hearing loss. CHARACTERISTICS (CONT.)

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Hearing loss present at birth Genetic Factors Maternal Rubella Congenital Cytomegalovirus (CMV) Premature Birth CAUSES OF HEARING LOSS

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Appears After Birth Occurs Before Speech Develops Occurs After Speech Develops CAUSES OF HEARING LOSS (CONT.)

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Causes of acquired hearing loss: Otitis Media Meningitis Menieres Disease Noise-induced Hearing Loss CAUSES OF HEARING LOSS

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Depend on the average hearing level in decibels across the frequencies most important for understood speech Slight Mild Moderate Severe Profound CLASSIFICATION OF HEARING LOSS

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Hearing Aids Make sound louder Group Assistive Listening Devices Radio link between teacher and student Cochlear Implants Stimulates the auditory nerve directly Click on the link bellow to see more about Cochlear Implants Cochlear Implants Video Cochlear Implants Video TECHNOLOGIES THAT AMPLIFY SOUND

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American Speech- Language-Hearing Association http://www.asha.org/public/ hearing/Cochlear-Implant/ Exceptional Children An Introduction to Special Education Chapter 9 PowerPoint Overview Tenth Edition William L. Heward REFERENCES