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I heard that!. Introduction to Audiology Chapter 1. Perry C. Hanavan, Au.D, Audiologist. Circle of Courage. BIGM. Auditory Practice Necessary to Influence Neural Structure (Mastery). (Dehaene, 2009): 20,000 hours of listening as basis for reading

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Introduction to audiology chapter 1




Introduction to AudiologyChapter 1

Perry C. Hanavan, Au.D,


Auditory practice necessary to influence neural structure mastery
Auditory Practice Necessary to Influence Neural Structure (Mastery)

  • (Dehaene, 2009): 20,000 hours of listening as basis for reading

  • (Gladwell, 2008): 10,000 hour rule key to success

  • (Hart & Risley, 1995): 30 million word gap study

  • (Pittman, 2008): Children with HL require 3X the exposure to learn each new word and concepts due to reduced acoustic bandwidth caused by HL

30 million word gap study hart risely 1995
30 Million Word Gap Study(Hart & Risely 1995)

32 million americans have hearing loss can you identify each of the celebrities
32 million Americans have hearing loss.Can you identify each of the celebrities?

You are not alone
You Are Not Alone!

  • One in ten Americans has a hearing loss

Introduction to audiology chapter 1

  • 5-10 million Americans are at risk for NIHL exposure to sounds above 85 dBA in the workplace

  • 48 million Americans engage in shooting sports, the most common cause of non-occupational NIHL


  • How many babies are born annually in the U.S.?

  • A. 3 million

  • B. 4 million

  • C. 5 million

  • D. 6 million

  • E. Heaven knows?

Quick facts
Quick Facts

  • 4 ________ babies born in U.S. annually

    • 3-5/_____ babies born with hearing loss

    • 1 in 1,000 U. S. newborns (or 33 babies every day) are born profoundly deaf

    • 2-3 out of 1,000 babies born with partial hearing loss, making hearing loss the number one birth defect in America.

  • _____ million Americans have hearing loss

  • _____ most chronic condition for the elderly

Hearing identification in u s
Hearing Identification in (U.S.)

  • About 95% of newborns screened for HL

  • 91% of referred infants returned for follow-upevaluation.

  • 39% fit with HA by 6 mo.

  • 61% fit late or lost to follow-up.

    • Unilateral hearingloss and late diagnosis were statistically significant (p <.0001) predictors for late fitting and loss to follow-up. 

      (Spivak 2009)

Auditory development
Auditory Development

#1 Factor: Age at fitting of amplification (for children with congenital hearing loss) in predicting every outcome in auditory development

(Sininger, Grimes &Christensen 2010)

Links to prevalence of hl
Links to Prevalence of HL

  • The Prevalence and Incidence of Hearing Loss in Children

  • The Prevalence and Incidence of Hearing Loss in Adults

What is audiology
What is Audiology? group

  • Audiology is the study of _____, hearing disorders, and habilitation/rehabilitation for individuals who have _______ loss. It encompasses the study of how the _____ mechanism works; the assessment of hearing; hearing and listening disorders; and the rehabilitation of individuals who have hearing loss.

    • ASHA

What is an audiologist
What is an Audiologist? group

  • __________ are professionals engaged in autonomous practice to promote healthy hearing, communication competency, and quality of life for persons of all ages through the prevention, _________, assessment, and rehabilitation of hearing, auditory function, balance, and other related systems. (ASHA)

  • An __________ is a professional who diagnoses, treats, and manages individuals with hearing loss or balance problems. (AAA)

Historical development
Historical Development group

  • Parents

    • _______

    • Speech language pathology/educators of the deaf

  • Relatives

    • Pediatrics

    • Geriatrics

    • Neurology

What is an audiologist1
What is an Audiologist group

  • Clinician

  • Therapist

  • Teacher

  • Researcher

  • Consultant

  • Administrator

Audiology services
Audiology Services group

  • Private Practice

  • Hospital

  • Medical Practice

  • Schools

  • ________/College

  • Other


Question group

Where most audiologist are employed?

  • Non-residential health care

  • College/University

  • Hospital

  • Schools

  • Industry

  • Other

Scope of practice
Scope of Practice group

  • ASHA

  • AAA

Philosophical issues
Philosophical Issues group

  • Jerger

    • Assessment and treatment of ________

  • Kileny

    • Various roles/functions performed

Education group

  • Minimum Requirements

    • ____

    • Ph.D.

  • Continuing Education

Licensure registration certification
Licensure/Registration/Certification group

  • Current status (ASHA)

  • Licensure

  • Registration

  • Certification

    • ASHA

      • _________ of Clinical Competence (CCC-A)

    • AAA

      • American Board of _________ (ABA)

Introduction to audiology chapter 1
Team group

Age of client
Age of Client group

  • Newborns

  • Preschoolers

  • Grade school

  • Middle school

  • High school

  • Post secondary

  • Young adults

  • Middle age

  • Old age

Hearing loss and impact on household income
Hearing Loss and Impact on Household Income group



Normal Hearing

Better Hearing Institute, (2005). Hearing loss and its impact on household income. The Hearing Review; 12:16-24

Treated vs untreated hl impact on household income
Treated Vs. Untreated HL groupImpact on Household Income

Better Hearing Institute, (2005). Hearing loss and its impact on household income. The Hearing Review; 12:16-24

Etiologies group

Introduction to audiology chapter 1
Quiz group

  • How many babies are born in the US each year?

  • A. More than enough

  • B. 400000

  • C. 4000000

  • D. 300000

  • E. 3000000

Introduction to audiology chapter 1

Evolution of audiology
Evolution of Audiology in the elderly

  • From primarily an academic discipline into a health-care profession

  • From a communication disorder profession into a hearing profession

  • From a teacher-training model of education into a health-care model of education

  • From a certification model to a licensure model of defining the privilege and right to practice

    (Stach, Clinical Audiology, pp. 25-33)

Introduction to audiology chapter 1

Professional organizations
Professional Organizations in the elderly

  • AAA (American Academy of Audiology)

  • AAS (American Auditory Society)

  • AG Bell Association

  • ARA (Academy of Rehabilitative Audiology)

  • ASHA (American Speech Language Hearing Association)

  • EAA (Education Audiology Association)

  • ISA (International Society of Audiology)

Introduction to audiology chapter 1

How you can practice the circle of courage
How You Can Practice the Circle of Courage college?

  • Belonging

    • Be courteous in communication

      • Be quiet/don’t sign while others are talking

    • Use appropriate communication strategies

    • Be inclusive

  • ________

    • Teach others how to use effective communication strategies so they can be independent rather than dependent

  • Generosity

    • Use “clear speech” when speaking

    • Volunteer in hearing screening programs

  • Mastery

    • Teach others about clear speech

    • Teach others about prevention of hearing loss

    • Apply principles learned in class to communication

    • Interpret audiograms and other hearing diagnostic tests

Circle of courage1
Circle of Courage college?