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Related Experiment Videos

A method for determining hearing sensitivity in infants: the interweaving staircase procedure (ISP).

R S Bernstein1, J S Gravel

  • 1Einstein College of Medicine, Department of Otolaryngology, Rose F. Kennedy Center, Bronx, New York 10461.

Journal of the American Academy of Audiology
|July 1, 1990
PubMed
Summary

A new adaptive procedure (the ISP) accurately measures infant hearing sensitivity using visual cues. This computer-assisted method ensures consistent motivation and attention for reliable hearing threshold testing in infants.

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Area of Science:

  • Audiology
  • Pediatric audiology
  • Hearing science

Background:

  • Infant hearing screening is crucial for early detection of hearing loss.
  • Accurate hearing threshold determination in infants presents unique challenges.
  • Existing methods may be limited by infant attention and motivation variability.

Purpose of the Study:

  • To develop and validate a computer-assisted adaptive procedure for infant hearing threshold acquisition.
  • To ensure consistent motivation and attention across multiple test frequencies.
  • To provide a reliable method for assessing hearing sensitivity in young children.

Main Methods:

  • Utilized a visually-reinforced head turn procedure.
  • Employed an adaptive (staircase) threshold acquisition procedure (the ISP).

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  • Obtained thresholds at three frequencies using independent and concurrent staircases with random trial selection.
  • Incorporated Probe and Catch trials for continuous monitoring of motivation and attention.

    • Main Results:

    • The ISP successfully determined hearing sensitivity thresholds in infants.
    • Concurrent staircases maintained consistent motivation and attention across frequencies.
    • Adaptive adjustments based on trial-by-trial history compensated for motivation/attention changes.

    Conclusions:

    • The computer-assisted adaptive procedure (ISP) is an effective tool for infant hearing assessment.
    • This method offers reliable and consistent hearing threshold measurements in infants.
    • The ISP enhances the accuracy of pediatric audiological evaluations.