Further evidence for a fluid pathway during bone conduction auditory stimulation

Hearing Research
Haim Sohmer, Sharon Freeman

Abstract

This study was designed to evaluate the suggestion that during bone vibrator stimulation on skull bone (bone conduction auditory stimulation), a major connection between the site of the bone vibrator and the inner ear is a fluid pathway. A series of experiments were conducted on pairs of animals (rats or guinea pigs). The cranial cavities of each pair of animals were coupled by means of a saline filled plastic tube sealed into a craniotomy in the skull of each animal. In response to bone conduction click stimulation to the skull bone of animal I, auditory nerve-brainstem evoked responses could be recorded in animal II. Various procedures showed that these responses were initiated in animal II in response to audio-frequency sound pressures generated within the cranial cavity of animal I by the bone conduction stimulation and transferred to the cranial cavity of animal II through the fluid in the plastic tube: they were not responses to air conducted sounds generated by the bone vibrator, were not induced in animal II by vibrations conveyed to it by the plastic tube and were not electrically conducted activity from animal I. Exposing the fluid in the tube to air was not accompanied by any change in threshold. These experiments co...Continue Reading

References

Jun 1, 1985·Electroencephalography and Clinical Neurophysiology·T YamadaR L Rodnitzky
Jun 1, 1968·Archives of Otolaryngology·J Tonndorf
Jul 29, 2000·Hearing Research·H SohmerI Savion
Jun 14, 2002·Hearing Research·Ronald L Seaman

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Citations

Mar 2, 2011·Journal of the Association for Research in Otolaryngology : JARO·Namkeun KimSunil Puria
May 23, 2012·Hearing Research·Christof RöösliJohn J Rosowski
May 8, 2016·Neuroimaging Clinics of North America·Christian L Stanton, Girish M Fatterpekar
Oct 29, 2013·Hearing Research·Jérémie GuignardAndreas Arnold
May 24, 2011·European Annals of Otorhinolaryngology, Head and Neck Diseases·N SaroulT Mom
Jan 7, 2009·Ear and Hearing·Haim SohmerCahtia Adelman
Jun 3, 2010·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Joseph AttiasBen I Nageris
Oct 16, 2004·Journal of Basic and Clinical Physiology and Pharmacology·Haim SohmerSharon Freeman
Dec 10, 2013·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Måns Eeg-OlofssonJoacim Stalfors
Mar 28, 2009·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Heng-Wai YuenMarcus D Atlas
Sep 16, 2016·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Christof RoosliAlexander M Huber
Nov 15, 2012·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Ben I NagerisMichal Preis
Jun 18, 2017·Frontiers in Systems Neuroscience·Daniel J BrownIan S Curthoys
Apr 3, 2020·The Journal of the Acoustical Society of America·Ivo DobrevChristof Röösli

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