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Title of Journal: Naturwissenschaften

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Abbravation: Naturwissenschaften

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Springer-Verlag

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DOI

10.1007/bf01907566

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1432-1904

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Phonotaxis during walking and flight are differen

Authors: Johannes Schul Wolfram Schulze
Publish Date: 2001/09/01
Volume: 88, Issue: 10, Pages: 438-442
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Abstract

Female selectivity was tested in Tettigonia viridissima during two different phonotaxis situations compensated walking and tethered flight For two of the three temporal parameters that are important for call recognition in T viridissima selectivity was similar in the two situations Selectivity for the third parameter minimum interval duration between the double pulses was much higher during walking than during flight walking females responded only to stimuli with intervals of 28 ms or longer while call models with intervals of 18 ms were attractive during flight One interneuron TN1 is probably involved in filtering the minimum interval duration As this neuron is also the most likely candidate for transmitting bat calls during flight it is suggested that the selectivity differences between walking and flying might be due to the need for detecting predator signals during flight when TN1 would be occupied listening for bats With TN1 unavailable for song processing during flight temporal selectivity for the minimum interval duration should be reduced as was found here


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