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Chapter 13

LING 1P93 Chapter Notes - Chapter 13: Tympanometry, Speech Perception, Audiology


Department
Linguistics
Course Code
LING 1P93
Professor
Richard Welland
Chapter
13

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LING 1P93 Chapter 13: Pediatric Hearing Loss
Hearing loss: condition in which a child or adolescent is unable to detect or
distinguish the range of sounds normally available to the human ear
Congenital hearing loss: hearing loss that is present at birth
Prelingual hearing loss: occurs soon after birth but before a child has developed
language
Postlingual hearing loss: hearing loss that occurs after language skills are well
established
Prevalence & Incidence
-1 or 2 per 1000 children are born with hearing loss
Impact
-not a handicap is caught early, family cooperates and is proactive, and can learn
sign language as 1st language
Integration into the Community: must choose communication mode and
orientation
Communication Mode: how the child will communicate – the 2 common alternatives
being speech and sign language
Orientation: refers to whether the child with hearing loss with be a member of the
oral or Deaf community
-the speech and language delay associated with hearing loss can include di%culties
in:
1) Vocab (semantics) 2) Grammar (syntax) 3) Communicative intent and
interaction style (pragmatics) 4) Speech intelligibility (phonology)
How is Hearing Loss Classi!ed?: classi.ed according to its etiology, its
manifestation and impact, and its severity
Etiology
:
Genetic of Environmental Cause (Genetics, infection, injury, illness in natal period,
noise)
Age of Onset: developmental cause is present at birth; Acquired occurs after birth
Type of loss:
Conductive
(damage to outer/middle ear with inner ear and cochlea
intact);
Sensorineural
(damage to the cochlea od auditory nerve);
Mixed
(damage to
both conductive +sensorineural mechanisms)
Manifestaton:
classi.ed according the aspects of audition that are impacted
-loss of hearing acuity: the precision of hearing at di7erent levels of loudness
-decrease in auditory comprehension
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