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相关概念视频

Echo01:06

Echo

493
The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case,...
493
The Cochlea01:13

The Cochlea

44.6K
The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
44.6K

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相关实验视频

Updated: Jun 9, 2025

Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind
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声波定位蝙蝠的基于地图的声学认知导航

Aya Goldshtein1,2,3, Xing Chen4, Eran Amichai4,5

  • 1Centre for the Advanced Study of Collective Behavior, University of Konstanz, 78464 Konstanz, Germany.

Science (New York, N.Y.)
|October 31, 2024
PubMed
概括
此摘要是机器生成的。

蝙蝠使用回声定位进行远距离导航. 这项研究表明,蝙蝠只用声音行驶数公里,

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Using Pharmacological Manipulation and High-precision Radio Telemetry to Study the Spatial Cognition in Free-ranging Animals
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A Video Demonstration of Preserved Piloting by Scent Tracking but Impaired Dead Reckoning After Fimbria-Fornix Lesions in the Rat
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A Video Demonstration of Preserved Piloting by Scent Tracking but Impaired Dead Reckoning After Fimbria-Fornix Lesions in the Rat

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相关实验视频

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科学领域:

  • 动物学
  • 生物声学
  • 动物导航

背景情况:

  • 蝙蝠利用回声定位进行近距离定位和避开障碍.
  • 对于大规模,千米距离的导航的回声定位能力在很大程度上仍未被探索.

研究的目的:

  • 研究回声定位在蝙蝠的大规模导航能力中的作用.
  • 为了确定蝙蝠是否可以使用纯粹声学信息进行基于地图的导航.
  • 评估回声定位和视觉对蝙蝠导航的联合影响.

主要方法:

  • 野生库尔蝙蝠被转移到不熟悉的地方.
  • 通过一个新的反向GPS系统来跟踪导航.
  • 视觉,磁力和嗅觉都被操纵在指导实验.

主要成果:

  • 转移的蝙蝠成功地航行几公里回到它们的家园.
  • 仅使用回声定位实现了导航,表示基于地图的音响导航.
  • 当回声定位和视觉都可用时,导航性能得到改善.

结论:

  • 蝙蝠能够以千米级,以地图为基础的导航主要使用回声定位.
  • 对于蝙蝠来说,环境的声学信息对于创建和利用声学认知地图至关重要.
  • 多感官集成,特别是视觉回声定位,提高了蝙蝠的导航效率.