Lack of association between transiently evoked otoacoustic emission amplitude and experimentation linked-factors (repeated acoustic stimulation, cerebrospinal fluid pressure, supine and sitting positions, alertness level)

P Froehlich; C Ferber; J Remond; J M Jaboulay; A Morgon; R Duclaux; L Collet

doi:10.1016/0378-5955(94)90069-8

Lack of association between transiently evoked otoacoustic emission amplitude and experimentation linked-factors (repeated acoustic stimulation, cerebrospinal fluid pressure, supine and sitting positions, alertness level)

Hear Res. 1994 May;75(1-2):184-90. doi: 10.1016/0378-5955(94)90069-8.

Authors

P Froehlich¹, C Ferber, J Remond, J M Jaboulay, A Morgon, R Duclaux, L Collet

Affiliation

¹ URA CNRS 1447 Physiologie sensorielle Audition et Voix, Hôpital E. Herriot, Lyon, France.

PMID: 8071145
DOI: 10.1016/0378-5955(94)90069-8

Abstract

Changes in transiently evoked otoacoustic emissions (TEOAEs) occur during sleep and during tasks requiring attention. This can be due to a central nervous system effect on the cochlea. But, an additional or dominant influence by non-controlled factors is possible. In this paper, the effect of click-stimulus repetition, lying and sitting positions, state of alertness (awake or asleep) and CSF pressure variation on TEOAE features were studied. None of these factors affected TEOAE amplitude. In 2 subjects, TEOAE amplitude increased considerably during the night while remaining stable in 7 subjects during daytime sleep. This may be due to circadian variations of TEOAE amplitude.

Publication types

Comparative Study

MeSH terms

Acoustic Stimulation*
Adult
Attention*
Cerebrospinal Fluid Pressure / physiology*
Cochlea / physiology
Female
Hearing / physiology*
Humans
Male
Otoacoustic Emissions, Spontaneous / physiology
Polysomnography
Posture*
Sleep
Supine Position