[The effect of rarefaction and condensation tone pips on early auditory evoked potentials (EAEP) (author's transl)]. 1981

K Maurer, and E Schäfer, and H Leitner

Tone pips of suprathreshold intensity were used to elicit 7 potentials in the nanovolt range. The acoustic nerve response (I) and 4 brainstem potentials (II-V) were studied in 8 normal listeners in regard to varying acoustic polarity (rarefaction vs condensation). Rarefaction and condensation stimuli produced different responses. In the alternating mode, which helps to suppress stimulus related artifacts, waves may be generated solely as a function of the averaging process if the responses of the two types of tone pips are almost out of phase. Rarefaction tone pips exhibited a better synchronizing effect on auditory unites in the periphery and in brainstem areas. The different responses evoked by stimuli of different polarity must be recognized and controlled in neurologic application of the test.

UI MeSH Term Description Entries
D005072 Evoked Potentials, Auditory The electric response evoked in the CEREBRAL CORTEX by ACOUSTIC STIMULATION or stimulation of the AUDITORY PATHWAYS. Auditory Evoked Potentials,Auditory Evoked Response,Auditory Evoked Potential,Auditory Evoked Responses,Evoked Potential, Auditory,Evoked Response, Auditory,Evoked Responses, Auditory,Potentials, Auditory Evoked
D006309 Hearing The ability or act of sensing and transducing ACOUSTIC STIMULATION to the CENTRAL NERVOUS SYSTEM. It is also called audition. Audition
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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