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A new parameter in brain stem evoked response: Component wave areas

Publication ,  Journal Article
Anthony, PF; Durrett, R; Pulec, JL; Hartstone, JL
Published in: Laryngoscope
1979

Using a newly developed brain stem evoked response (BSER) parameter in preliminary testing, the authors can individually identify the auditory thresholds of 500 Hz, 1000 Hz and 2000 Hz to within 15-25 db. The authors have developed an accurate method of breaking down the complex BSER curve, using a successive approximation technique, into its individual component curves. Each component curve is thought to represent the isolated electrical activity of one generator site. The component curves are the shape of normal distribution curves. The area under each individual component curve is the new parameter which the authors feel represents the isolated electrical activity of one generator site. Using this parameter a clinical trial was performed. Constant ipsilateral pure tone masking was superimposed upon the stimulus clicks in the test ears of two subjects. The constant ipsilateral masking was superimposed at 500 Hz, 1000 Hz and 2000 Hz. A statistically significant decrease in the area of component wave II (one masking sound caused an increased area) was seen when the pure tone masking sound became at least 15-25 db louder than the patient's threshold at that individual frequency. These preliminary results give reason to think that a method of quantification of BSER responses has been found. More importantly, a method of identifying individual audiometric thresholds from 500 Hz throughout 2000 Hz to within 15-25 db has been found. These findings need extensive further testing.

Duke Scholars

Published In

Laryngoscope

Publication Date

1979

Volume

89

Issue

10 I

Start / End Page

1569 / 1578

Related Subject Headings

  • Otorhinolaryngology
  • 1103 Clinical Sciences
 

Citation

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Anthony, P. F., Durrett, R., Pulec, J. L., & Hartstone, J. L. (1979). A new parameter in brain stem evoked response: Component wave areas. Laryngoscope, 89(10 I), 1569–1578.
Anthony, P. F., R. Durrett, J. L. Pulec, and J. L. Hartstone. “A new parameter in brain stem evoked response: Component wave areas.” Laryngoscope 89, no. 10 I (1979): 1569–78.
Anthony PF, Durrett R, Pulec JL, Hartstone JL. A new parameter in brain stem evoked response: Component wave areas. Laryngoscope. 1979;89(10 I):1569–78.
Anthony, P. F., et al. “A new parameter in brain stem evoked response: Component wave areas.” Laryngoscope, vol. 89, no. 10 I, 1979, pp. 1569–78.
Anthony PF, Durrett R, Pulec JL, Hartstone JL. A new parameter in brain stem evoked response: Component wave areas. Laryngoscope. 1979;89(10 I):1569–1578.

Published In

Laryngoscope

Publication Date

1979

Volume

89

Issue

10 I

Start / End Page

1569 / 1578

Related Subject Headings

  • Otorhinolaryngology
  • 1103 Clinical Sciences