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Adding objectivity to infant behavioral audiometry

J E Widen1

  • 1Department of Hearing and Speech, University of Kansas Medical Center, Kansas City 66160-7605.

Ear and Hearing
|February 1, 1993
PubMed
Summary
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This study enhances infant hearing tests by improving visual reinforcement audiometry (VRA). Computer control and specific techniques reduce subjectivity in assessing infant hearing sensitivity.

Area of Science:

  • Audiology
  • Pediatric audiology
  • Hearing science

Background:

  • Behavioral audiometry for infants has limitations.
  • Subjectivity in behavioral observation audiometry necessitates objective methods.
  • Determining infant hearing sensitivity requires reliable assessment tools.

Purpose of the Study:

  • To enhance objectivity in infant behavioral audiometry.
  • To explore methods for reducing subjectivity in infant hearing tests.
  • To detail improvements in visual reinforcement audiometry (VRA) for infant hearing assessment.

Main Methods:

  • Implementing visual reinforcement audiometry (VRA) with head turn response.
  • Utilizing control trials and operant conditioning principles.
  • Employing computer control for VRA procedures and sophisticated algorithms.

Related Experiment Videos

  • Conducting computer simulations to optimize VRA test parameters.

    • Main Results:

    • Specific VRA techniques (head turn, control trials, operant conditioning) reduce observational subjectivity.
    • Computerized VRA allows for examiner independence and complex algorithmic testing.
    • Simulations identify optimal parameters for VRA test efficiency and accuracy.

    Conclusions:

    • Objectivity in infant audiometry is achievable through refined behavioral methods like VRA.
    • Computer-controlled VRA enhances reliability and efficiency in infant hearing evaluations.
    • Advanced VRA protocols improve the accuracy of determining hearing sensitivity in infants.