| Experiments on the mechanism of underwater hearing. | |
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MedLine Citation:
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PMID: 21888565 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Abstract Conclusion: The findings suggest that underwater sound perception is realized by the middle ear rather than by bone conduction, at least in shallow water conditions. Objective: To prove whether underwater sound perception is effected by bone conduction or by conduction via the middle ear. Methods: Five divers, breathing through snorkels, were tested in a swimming pool, to determine whether a sound was louder when the acoustic source placed was in front of the head in comparison with a lateral application facing the ear region. The second experiment investigated whether sound perception is influenced by ear protection plugs in underwater conditions. Also, the effect of a 5 mm thick neoprene hood was determined, with and without an additional perforation in the ear region. Results: Sounds were louder when applied from a position laterally facing the ear, louder without than with a protection plug, louder without than with a neoprene hood on, and louder when the neoprene hood had a perforation in the region of the ear than with an intact hood. |
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Authors:
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Hans Wilhelm Pau; Mareike Warkentin; Olaf Specht; Helga Krentz; Anne Herrmann; Karsten Ehrt |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-9-5 |
Journal Detail:
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Title: Acta oto-laryngologica Volume: - ISSN: 1651-2251 ISO Abbreviation: - Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-9-5 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0370354 Medline TA: Acta Otolaryngol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Otorhinolaryngology, Head and Neck Surgery. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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