Electric Response Audiometry in Young Children

  • Hallowell Davis
Part of the Advances in the Study of Communication and Affect book series (ASCA, volume 10)


Electric response audiometry refers to the assessment of the auditory system by means of small evoked potentials that are generated in many parts of the auditory system, from cochlea to cerebral cortex. They are separated from the background electrical activity of brain and muscle by summing, or averaging, a large number of responses. The responses are time-locked to the stimuli, and their sum increases in proportion to their number while the nearly random background largely cancels itself out. This greatly improves the signal-to-noise ratio. The technique is now quite familiar, and excellent equipment for it is commercially available.


Neonatal Intensive Care Unit Auditory System Auditory Brainstem Response Tone Burst Newborn Hearing Screening 
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Copyright information

© Springer Science+Business Media New York 1985

Authors and Affiliations

  • Hallowell Davis
    • 1
  1. 1.Central Institute for the DeafSt. LouisUSA

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