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