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First published online August 22, 2008
Journal of Experimental Biology 211, 2779-2785 (2008)
Published by The Company of Biologists 2008
doi: 10.1242/jeb.017756
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Predicting acoustic orientation in complex real-world environments

Natasha Mhatre and Rohini Balakrishnan*

Centre for Ecological Sciences, Indian Institute of Science, Bangalore, 560012, India

* Author for correspondence (e-mail: rohini{at}ces.iisc.ernet.in)

Accepted 24 June 2008

Animals have to accomplish several tasks in their lifetime, such as finding food and mates and avoiding predators. Animals that locate these using sound need to detect, recognize and localize appropriate acoustic objects in their environment, typically in noisy, non-ideal conditions. Quantitative models attempting to explain or predict animal behaviour should be able to accurately simulate behaviour in such complex, real-world conditions. Female crickets locate potential mates in choruses of simultaneously calling males. In the present study, we have tested field cricket acoustic orientation behaviour in complex acoustic conditions in the field and also successfully predicted female orientation and paths under these conditions using a simulation model based on auditory physiology. Such simulation models can provide powerful tools to predict and dissect patterns of behaviour in complex, natural environments.

Key words: phonotaxis, acoustic orientation, real-world environments, biomimetic simulation model


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