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Screening methods: current status.

Deborah Hayes1

  • 1Audiology, Speech Pathology, and Learning Services The Children's Hospital-Denver, University of Colorado School of Medicine Denver, Colorado 80218, USA. hayes.Deborah@tchden.org

Mental Retardation and Developmental Disabilities Research Reviews
|June 5, 2003
PubMed
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Newborn hearing screening uses auditory brainstem response (ABR) and otoacoustic emissions (OAEs) to detect physiologic responses to sound. Both ABR and OAEs are effective screening tools for infant hearing loss.

Area of Science:

  • Neonatal audiology
  • Neuroscience
  • Otoacoustic emissions

Background:

  • Newborn hearing screening is crucial for early detection of hearing loss.
  • Auditory brainstem response (ABR) and otoacoustic emissions (OAEs) are the primary screening technologies.
  • Both methods rely on measuring physiological responses to auditory stimuli.

Discussion:

  • ABR measures auditory pathway responses via scalp electrodes.
  • OAEs detect cochlear outer hair cell activity using ear-canal microphones.
  • Technological advancements enable efficient testing by trained personnel under audiologist supervision.

Key Insights:

  • ABR and OAEs offer distinct physiological measures for infant hearing assessment.
  • Computerized systems streamline stimulus delivery and response detection.

Related Experiment Videos

  • Understanding the advantages and disadvantages of each method is vital for effective screening.

    • Outlook:

    • Continued refinement of ABR and OAE technologies will enhance screening accuracy.
    • Standardization of protocols ensures reliable and comparable results.
    • Integration of these technologies supports comprehensive newborn hearing health programs.