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Four odontocete species change hearing levels when warned of impending loud sound

作     者:Paul E.NACHTIGALL Alexander Ya.SUPIN Aude F.PACINI Ronald A.KASTELEIN 

作者机构:Hawaii Institute of Marine BiologyUniversity of HawaiiKaneohe HawaiiUSA Institute of Ecology and Evolution of the Russian Academy of SciencesMoscowRussia Sea Mammal Research Company(SEAMARCO)Harderwijkthe Netherlands 

出 版 物:《Integrative Zoology》 (整合动物学(英文版))

年 卷 期:2018年第13卷第2期

页      面:160-165页

核心收录:

学科分类:1002[医学-临床医学] 100213[医学-耳鼻咽喉科学] 10[医学] 

主  题:change dolphin hearing loud sound 

摘      要:Hearing sensitivity change was investigated when a warning sound preceded a loud sound in the false killer whale(Pseudorca crassidens),the bottlenose dolphin(Tursiops truncatus),the beluga whale(Delphinaperus leucas)and the harbor porpoise(Phocoena phocoena).Hearing sensitivity was measured using pip-train test stimuli and auditory evoked potential *** the test/warning stimuli preceded a loud sound,hearing thresholds before the loud sound increased relative to the baseline by 13 to 17 *** with multiple frequencies of exposure and shift provided evidence of different amounts of hearing change depending on frequency,indicating that the hearing sensation level changes were not likely due to a simple stapedial reflex.

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