首页> 外文学位 >Directional hearing and a head-related transfer function (HRTF) of a bottlenose dolphin (Tursiops truncatus).
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Directional hearing and a head-related transfer function (HRTF) of a bottlenose dolphin (Tursiops truncatus).

机译:宽吻海豚(Tursiops truncatus)的定向听觉和头部相关传递函数(HRTF)。

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摘要

Odontocete cetaceans have some of the most sensitive hearing in the animal kingdom. Despite over a half-century of research on these animals, there are still many aspects of their functional anatomy and physiology that have not been described or even explored. Directional hearing allows an individual to locate an object in space and is important in foraging, predator avoidance and social cohesion. Despite notable publications on the directional hearing in bottlenose dolphins, there is still an incomplete picture as to the three dimensional hearing capabilities of these animals. This study uses auditory evoked potential (AEP) techniques to explore the directional hearing capabilities of an Atlantic bottlenose dolphin (Tursiops truncatus). Audiograms obtained for different design regimes were compared. Then, using an underwater in hoop with biteplate setup was used to obtain the directional hearing thresholds in multiple angles in the horizontal plane and depths. In addition to the threshold values, the first head-related transfer function (HRTF) on any marine mammal species was collected. These studies promise to shed greater light on the plasticity of directional hearing and localization capabilities.
机译:Odontocete鲸类动物在动物界中有一些最敏感的听力。尽管对这些动物进行了半个多世纪的研究,但它们的功能解剖学和生理学仍有许多方面尚未得到描述或探索。定向听觉可以使个人在空间中定位物体,这对于觅食,避免掠食者和社交凝聚力非常重要。尽管在宽吻海豚的定向听觉方面有著名的出版物,但是关于这些动物的三维听觉能力仍然不完整。这项研究使用听觉诱发电位(AEP)技术来探索大西洋宽吻海豚(Tursiops truncatus)的定向听力能力。比较了针对不同设计方案获得的听力图。然后,在水下使用带咬合板装置的箍在水中,以获取水平面和深度中多个角度的定向听力阈值。除了阈值外,还收集了任何海洋哺乳动物物种的第一个与头部有关的传递函数(HRTF)。这些研究有望为定向听觉和定位能力的可塑性提供更多的启示。

著录项

  • 作者

    Taylor, Kristen A.;

  • 作者单位

    University of Hawai'i at Manoa.;

  • 授予单位 University of Hawai'i at Manoa.;
  • 学科 Health Sciences Audiology.;Biology Zoology.;Biology Animal Physiology.
  • 学位 Ph.D.
  • 年度 2013
  • 页码 104 p.
  • 总页数 104
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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