Ed 443 Auditory Impairments
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  • 1. Auditory Impairments Sangi M. Susuico ED 443 October 14, 2008
  • 2. Outline
    • Definitions and the degrees of hearing loss
    • Basic Types of HI
    • Causes
    • Characteristics
    • Roles of schools
    • Adaptations/Assistive Technology
  • 3. 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”
  • 4. Degrees of Hearing Loss
    • Pre linguistic and Post linguistic
  • 5. Testing Hearing Loss
    • Play Audiometry
    • Auditory Brainstem Response
    • Bone-Conductor Test
    • Pure-Tone Audiometry
    • Behavioral Observation Audiometry
  • 6. Levels of Hearing Loss
    • 15 - 25 dB slight hearing loss
    • 25 - 40 dB mild hearing loss
    • 40 – 65 dB moderate hearing loss
    • 65 – 95 dB severe hearing loss
    • > than 95 dB profound loss
  • 7. 4 Basic Types of HI
    • Conductive
    • Sensorineural
    • Mixed
    • Central
  • 8. Causes of Hearing Loss
    • Genetic
      • Secondary to other defects
      • RH Factors
    • Environmental
    • TORCHS
      • TO (Toxoplasmosis)
      • R (Rubella)
  • 9.
    • TORCHS continued
      • CH (Cytomegalovirus)
      • HS (Herpes Simplex Virus)
    • Other
      • Meningitis
      • Asphyxia
      • Etc
  • 10. Characteristics
    • Cognitive Development
    • Language Development
    • Social and Personal Adjustment
  • 11. A School’s Role
    • General Education Teacher
    • Audiologist
    • Family and lifespan issues
  • 12. Inclusion in context
    • Preschool
    • Elementary
    • Secondary
  • 13. Modifications or Accommodations
    • Face students and don’t cover mouth
    • Write all assignments on board
    • Provide lecture notes
    • Have a seating arrangement
    • Use overheads, visuals, handouts
    • Have a buddy system
  • 14. More accommodations
    • Get child’s attention before speaking
    • Use captioned films and videos
    • Avoid seating child in traffic area
    • Avoid vibrations or excessive noise
    • Substitute audible alarms with visual
    • Obtain feedback from student
  • 15. Communication Methods
    • Auditory – Oral
    • Auditory – Verbal
    • Signing Language (ASL)
    • Finger Spell
  • 16. Assistive Technology
    • Altering devices/systems
    • Hearing Aids
    • Cochlear Implants
    • Speech Viewer III
    • Speech to print systems
    • Other
  • 17. Video Clip: Digital Hearing Aids
    • http://www.youtube.com/watch?v=yQ17csWENEo
  • 18. Summary
    • Definitions
    • Tests
    • Different degrees and types of HI
    • Numerous Causes
    • Support
    • Assistive Technology
  • 19. References
    • Kirk, Samuel A., et al. Educating Exceptional Children. 11 th Ed. Houghton Mifflin. New York, 2006.
    • Mercer C.D. and Mercer A.R. Teaching Students with Learning Problems. 7 th 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.
  • 20. References continued
    • Google http://images.google.com
    • American Society for Deaf Children
    • www.deafchildren.org
    • Self Help for Hard of Hearing People
    • www.hearingloss.org
    • Alexander Bell Association for the Deaf
    • www.agbell.org