The influence of auditory and visual experience on the phonotactic behavior of the cricket,Gryllus bimaculatus |
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Authors: | Viktor F Shuvalov Torsten Rüting Andrej V Popov |
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Institution: | (1) I. M. Sechenov Institute of Evolutionary Physiology and Biochemistry, Academy of Sciences of the USSR, 194223 Leningrad;(2) Zoologisches Institut und Museum der Universität Hamburg, D-2000 Hamburg 13, FRG |
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Abstract: | Female crickets lacking experience with phonotaxis to conspecific calling song respond to trains of continuously repeated sound pulses (trill), whereas experienced females do not. In the present study such inexperienced crickets were tested for their responsiveness to trills of pulse repetition periods from 30 to 70 ms on a Y- shaped maze. Stimulation with a repetition period of 30 ms led to unexpectedly low phonotactic and exploratory activity. Initial stimulation with trills of 30- ms repetition period drastically reduced the responsiveness of inexperienced animals to conspecific calling song and other attractive stimuli. Effects of visual stimulation on the phonotactic behavior of female crickets are demonstrated. Threatening visual stimuli changed the behavior of experienced animals to a state that resembles that of inexperienced animals. The relevance of these observations is discussed with respect to the development of the auditory pattern recognition mechanism in crickets. |
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Keywords: | phonotaxis auditory experience visual input pattern recognition cricket Gryllus bimaculatus |
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