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Electroencephalography Measurements in Awake Marmosets Listening to Conspecific Vocalizations
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Time-frequency and advanced frequency estimation techniques for the investigation of bat echolocation calls

Yannis Kopsinis1, Elias Aboutanios, Dean A Waters

  • 1Institute for Digital Communications, School of Engineering and Electronics, The University of Edinburgh, Alexander Graham Bell Building, King's Buildings, Edinburgh EH9 3JL, United Kingdom. kopsinis@ieee.org

The Journal of the Acoustical Society of America
|February 9, 2010
PubMed

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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.
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Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.The structures that arise from convergent evolution are called analogous structures. They are similar in function even if they are dissimilar in structure. Further, structures can be analogous while also...
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