The reliability of averaging technique in registration of slow auditory evoked potentials in man

The authors studied the application of arithmetic averaging in the registration of auditory evoked potentials (AEP). Fourier analyses of averaged potentials show a typical shape of both amplitude and phase spectra in the region of the AEP. The maximum of the amplitude spectra diminishes with lower s...

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Bibliographic Details
Published in:Archives of Oto-Rhino-Laryngology 1977-01, Vol.214 (3), p.185-190
Main Authors: von Specht, H, Kevanishvili, Z S
Format: Article
Language:English
Subjects:
Acoustic Stimulation
Adult
Age Factors
Auditory Cortex - physiology
Auditory Perception
Child
Electroencephalography
Evoked Potentials
Humans
Male
Sleep
Wakefulness
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Summary:The authors studied the application of arithmetic averaging in the registration of auditory evoked potentials (AEP). Fourier analyses of averaged potentials show a typical shape of both amplitude and phase spectra in the region of the AEP. The maximum of the amplitude spectra diminishes with lower sound intensities and shifts to lower frequencies. The enhancement of the mean power of the EEG in the region of the AEP demonstrates the suitability of the arithmetic averaging technique in the Electric Response Audiometry. For clinical practice the simultaneous registration of the arithmetic mean and the mean square value along with the standard deviation is useful to detect artifacts or amplitude and latency shifts of the AEP components.
ISSN:0302-9530
1434-4726
DOI:10.1007/BF00458313