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Related Concept Videos

Echo01:06

Echo

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, then the...
Convergent Evolution01:54

Convergent Evolution

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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Related Experiment Video

Updated: Jun 16, 2026

Synchronous Triplanar Reconstruction Integrated with Color Doppler Mapping for Precise and Rapid Localization of Thyroid Lesions
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Synchronous Triplanar Reconstruction Integrated with Color Doppler Mapping for Precise and Rapid Localization of Thyroid Lesions

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Modelling simultaneous echo waveform reconstruction and localization in bats.

F De Mey1, F Schillebeeckx, D Vanderelst

  • 1Department MTT, University of Antwerp, Belgium. fons.demey@ua.ac.be

Bio Systems
|February 13, 2010
PubMed
Summary
This summary is machine-generated.

Bats use echolocation to identify objects by separating location and identity cues from sound signals. A new Wiener deconvolution model mimics this ability for the lesser spearnosed bat, improving biosonar perception.

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Tissue Collection of Bats for -Omics Analyses and Primary Cell Culture
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Tissue Collection of Bats for -Omics Analyses and Primary Cell Culture

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Last Updated: Jun 16, 2026

Synchronous Triplanar Reconstruction Integrated with Color Doppler Mapping for Precise and Rapid Localization of Thyroid Lesions
05:41

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Published on: February 9, 2024

Tissue Collection of Bats for -Omics Analyses and Primary Cell Culture
15:31

Tissue Collection of Bats for -Omics Analyses and Primary Cell Culture

Published on: October 23, 2019

Area of Science:

  • Bioacoustics
  • Neuroethology
  • Signal Processing

Background:

  • Echolocating bats utilize complex biosonar systems to perceive their environment.
  • Bat echolocation signals contain distinct information for object localization and identification.
  • Current models struggle to fully replicate the bat's ability to separate these cues.

Purpose of the Study:

  • To develop a computational model for bat echolocation that separates location and identity information.
  • To adapt a Wiener deconvolution approach for analyzing biosonar signals.
  • To investigate the feasibility of a model inspired by the frog's lateral line system for bat echolocation.

Main Methods:

  • Proposed a novel model based on Wiener deconvolution.
  • Simulated a virtual system mimicking the echolocation of the lesser spearnosed bat (Phyllostomus discolor).
  • Adapted and tested a technique derived from a frog lateral line system model.

Main Results:

  • The proposed Wiener deconvolution model successfully reconstructs echo signals and localizes reflectors.
  • Direct application of the frog model to bat sonar was found to be infeasible.
  • A modified technique demonstrated applicability to bat biosonar, even in noisy conditions.

Conclusions:

  • A Wiener deconvolution-based model can effectively separate location and identity cues in bat echolocation.
  • The study highlights the limitations of directly transferring sensory processing models between species.
  • The developed technique offers a promising approach for understanding and enhancing bat biosonar capabilities.