Contralateral auditory stimulation and otoacoustic emissions: a review of basic data in humans.
The influence of contralateral auditory stimulation on otoacoustic emissions (OAE), spontaneous OAE, evoked OAE and acoustic distortion products, can be summarized as follows: (1) alteration (mainly a decrease) of OAE amplitude; (2) alteration of response spectrum (upward shift frequency of SOAE); (3) alteration of phase; (4) effect dependent on intensity of contralateral stimulation; (5) effect inversely dependent on intensity of ipsilateral stimulation; (6) frequency specificity of the suppressive effect. Involvement of the medial olivocochlear bundle is highly probable but one cannot exclude a double pathway including also the acoustic reflex.
Collet
L
L
CNRS URA 1447, Université Claude-Bernard, Département d'Otorhinolaryngologie, Hôpital Edouard Herriot, Lyon, France.
Veuillet
E
E
Moulin
A
A
Morlet
T
T
Giraud
A L
AL
Micheyl
C
C
Chéry-Croze
S
S
D000161:Acoustic Stimulation; D000375:Aging; D003051:Cochlea / Q000294:innervation* / Q000502:physiology*; D007758:Ear, Inner / Q000502:physiology; D004432:Ear, Middle / Q000502:physiology; D007839:Functional Laterality; D006198:Hair Cells, Auditory / Q000502:physiology; D006801:Humans; D009622:Noise; D012890:Sleep