Sound transmission and directional hearing in field crickets: neurophysiological studies outdoors.

Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
Konstantinos Kostarakos, Heiner Römer

Abstract

Many studies provide detailed behavioural and neurophysiological information on the ability of crickets to localize a sound source under ideal acoustic conditions, but very little is known about how they perform in real habitats. We investigated directional hearing of crickets in the field using a neurophysiological approach, by recording the activity of the two prominent, bilaterally homologous AN1 neurons simultaneously in a cricket's habitat. The discharge and latency differences of the pair of neurons in response to conspecific chirps presented at different distances and directions were taken as a measure of directional information. The maximum hearing distance differed between individuals and weather conditions from 1 to 15 m (mean 9.2 m). Although the AN1 activity generally decreased with increasing distance, large fluctuations in the magnitude of responses occurred with distance, indicating that the intensity gradient over distance is often irregular. The directional information provided in the discharge differences of the two neurons also varied with distance. Again, there was no simple directional gradient on the transmission channel; rather, with decreasing distance to the source there were receiver locations providin...Continue Reading

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Citations

Dec 18, 2013·Proceedings. Biological Sciences·Erica L MorleyAndrew N Radford
Mar 9, 2013·The Journal of Experimental Biology·Stefan HirtenlehnerHeiner Römer
Nov 28, 2013·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Stefan HirtenlehnerArne K D Schmidt
Feb 4, 2014·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Stefan Hirtenlehner, Heiner Römer
Dec 24, 2015·Biological cybernetics·Heiner Römer, Arne K D Schmidt
May 2, 2014·Frontiers in Physiology·Manfred Hartbauer, Heiner Römer
Sep 19, 2014·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Heiner Römer
Sep 15, 2017·Journal of Neurophysiology·Konstantinos Kostarakos, Berthold Hedwig
Nov 2, 2016·The Journal of Experimental Biology·Arne K D Schmidt, Heiner Römer
Feb 21, 2016·The Journal of Experimental Biology·Daniel AlvesPaulo J Fonseca
Nov 23, 2019·The Journal of Experimental Biology·Michael S Reichert, Bernhard Ronacher
Aug 2, 2020·The Journal of Experimental Biology·Heiner Römer
Jun 18, 2020·Wiley Interdisciplinary Reviews. Cognitive Science·Katherine E GentryMichael S Reichert
Apr 10, 2021·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Heiner Römer
Jul 4, 2015·The Journal of Experimental Biology·Eileen GabelR Matthias Hennig
Jul 15, 2011·The Journal of Experimental Biology·Natasha MhatreRohini Balakrishnan
Jun 18, 2021·Integrative and Comparative Biology·Laurel B SymesHannah M Ter Hofstede

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