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ED 443 Presentation
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Auditory Impairments
Sangi M. SusuicoED 443
October 14, 2008
Outline
Definitions and the degrees of hearing lossBasic Types of HI Causes Characteristics Roles of schoolsAdaptations/Assistive Technology
Definitions according to IDEA
Hard of hearing is “an impairment in hearing whether permanent or fluctuating, that adversely affects a child’s educational performance”
Deafness is a HI “so severe that the child is impaired in processing linguistic information through hearing with or without amplification”
Degrees of Hearing Loss
Prelinguistic and Postlinguistic
Testing Hearing Loss
Play Audiometry
Auditory Brainstem Response
Bone-Conductor Test
Pure-Tone Audiometry
Behavioral Observation Audiometry
Levels of Hearing Loss
15 - 25 dB slight hearing loss25 - 40 dB mild hearing loss40 – 65 dB moderate hearing loss65 – 95 dB severe hearing loss> than 95 dB profound loss
4 Basic Types of HI
Conductive
Sensorineural
Mixed
Central
Causes of Hearing Loss
GeneticSecondary to other defects RH Factors
Environmental TORCHS
TO (Toxoplasmosis)R (Rubella)
TORCHS continued CH (Cytomegalovirus) HS (Herpes Simplex Virus)
Other MeningitisAsphyxiaEtc
Characteristics
Cognitive Development
Language Development
Social and Personal Adjustment
A School’s Role
General Education Teacher
Audiologist
Family and lifespan issues
Inclusion in context
Preschool
Elementary
Secondary
Modifications or Accommodations
Face students and don’t cover mouthWrite all assignments on boardProvide lecture notesHave a seating arrangementUse overheads, visuals, handoutsHave a buddy system
More accommodations
Get child’s attention before speakingUse captioned films and videosAvoid seating child in traffic areaAvoid vibrations or excessive noiseSubstitute audible alarms with visualObtain feedback from student
Communication Methods
Auditory – Oral
Auditory – Verbal
Signing Language (ASL)
Finger Spell
Assistive Technology
Altering devices/systemsHearing AidsCochlear ImplantsSpeech Viewer IIISpeech to print systemsOther
Video Clip: Digital Hearing Aids
http://www.youtube.com/watch?v=yQ17csWENEo
Summary
DefinitionsTestsDifferent degrees and types of HINumerous CausesSupportAssistive Technology
References
Kirk, Samuel A., et al. Educating Exceptional Children. 11th Ed. Houghton Mifflin. New York, 2006.
Mercer C.D. and Mercer A.R. Teaching Students with Learning Problems. 7th Ed. Pearson: Merrill Prentice Hall. 2005.
Gould, P. & Sullivan J. The Inclusive Classroom: Easy ways to adapt learning centers for all children. Gryphon House, Inc. 1999.
References continued
Google http://images.google.comAmerican Society for Deaf Children
www.deafchildren.org Self Help for Hard of Hearing People
www.hearingloss.orgAlexander Bell Association for the Deaf
www.agbell.org
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