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Journal of Basic and Clinical Physiology and Pharmacology

Editor-in-Chief: Horowitz, Michal

Editorial Board: Das, Kusal K. / Epstein, Yoram / S. Gershon MD, Elliot / Kodesh , Einat / Kohen, Ron / Lichtstein, David / Maloyan, Alina / Mechoulam, Raphael / Roth, Joachim / Schneider, Suzanne / Shohami, Esther / Sohmer, Haim / Yoshikawa, Toshikazu / Tam, Joseph


CiteScore 2016: 1.01

SCImago Journal Rank (SJR) 2016: 0.349
Source Normalized Impact per Paper (SNIP) 2016: 0.495

Online
ISSN
2191-0286
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Volume 23, Issue 3

Issues

Auditory sensation via moist contact of the bone vibrator with skin at soft tissue sites

Miriam Geal-Dor
  • Speech and Hearing Center, Hadassah University Hospital, Jerusalem, Israel
  • Department of Communication Disorders, Hadassah Academic College, Jerusalem, Israel
  • Other articles by this author:
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/ Aliza Frankel Shore / Haim Sohmer
  • Corresponding author
  • Department of Medical Neurobiology (Physiology), Institute for Medical Research Israel-Canada, Hebrew University-Hadassah Medical School, Jerusalem, Israel
  • Email
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2012-09-07 | DOI: https://doi.org/10.1515/jbcpp-2012-0035

Abstract

Background: Auditory sensation can be elicited not only by air conduction (AC) with an earphone and by bone conduction by applying a bone vibrator to bony sites on the head, but also by a newly described mode based on applying the bone vibrator to soft tissue sites on the head, neck, and thorax (soft tissue conduction – STC). This study was designed to assess whether it is necessary to compress the skin at the STC sites, which could induce vibrations of the underlying bone.

Methods: In 15 normal-hearing subjects, thresholds were assessed with the bone vibrator in air (control for possible AC), direct contact of the bone vibrator with the mastoid and regions around the lip, and indirect contact (via a cotton wool wick, dry or wet) of the bone vibrator with sites around the lip.

Results: Even though the best (lowest) thresholds were obtained with direct contact, the subjects clearly heard the sound stimulation when presented only by the gentle contact of the wick with the skin, especially when the contact site was moist.

Conclusions: STC stimulation does not require vibrations of the skull bone and seems to involve the transmission of auditory frequency vibrations, through a series of soft tissues, to the inner ear.

Keywords: air conduction; bone conduction; skull; soft tissue; vibrations

About the article

Corresponding author: Prof. Haim Sohmer, Department of Medical Neurobiology (Physiology), Hebrew University-Hadassah Medical School, POB 12272, Jerusalem 91120, Israel Phone: +972-2-6758385, Fax: +972-26439736


Published Online: 2012-09-07

Published in Print: 2012-09-01


Citation Information: , Volume 23, Issue 3, Pages 99–101, ISSN (Online) 2191-0286, ISSN (Print) 0792-6855, DOI: https://doi.org/10.1515/jbcpp-2012-0035.

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©2012 by Walter de Gruyter Berlin Boston.Get Permission

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