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Prey selection by Toads (Bufo bufo L.) in response to configurational stimuli moved in the visual field z,y-coordinates

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Summary

Recognition of prey-like stimuli by the Common Toad depends on both the shape of the stimulus and its direction of motion. To evoke preycapture the direction of motion must be parallel to the long axis of the stimulus. We show here that the same relation between shape and direction of motion applies to stimuli which moved towards or away from the toad, and that retreating stimuli are more powerful releasers than approaching ones.

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References

  • Collett, T.: Stereopsis in toads. Nature 267, 349–351 (1977)

    Article  CAS  Google Scholar 

  • Ewert, J.-P.: Der Einfluß von Zwischenhirndefekten auf die Visuomotorik im Beuteund Fluchtverhalten der Erdkröte (Bufo bufo L.). Z. vergl. Physiol. 61, 41–70 (1968)

    Google Scholar 

  • Ewert, J.-P.: Single unit responses of the toad's (Bufo americanus) caudal thalamus to visual objects. Z. vergl. Physiol. 74, 81–102 (1971)

    Article  Google Scholar 

  • Ewert, J.-P., Burghagen, H.: Ontogenetic aspects on visual “sizeconstancy” phenomena in the Midwife Toad (Alytes obstetricans Laur.). Brain Behav. Evol. (in press) (1979)

  • Ewert, J.-P., Siefert, G.: Seasonal change of contrast detection in the toad's Bufo bufo (L.) visual system. J. comp. Physiol. 94, 177–186 (1974)

    Article  Google Scholar 

  • Ewert, J.-P., Arend, B., Becker, V., Borchers, H.-W.: Invariants in configurational prey-selection by the toad Bufo bufo (L.). Brain Behav. Evol. (in press) (1979)

  • Grüsser, O.-J., Grüsser-Cornehls, U.: Die Informationsverarbeitung im visuellen System des Frosches. In: Kybernetik 1968, pp. 331–360. München: Oldenbourg 1968

    Google Scholar 

  • Ingle, D.: Depth vision in monocular frogs. Psych. Sci. 29, 37–38 (1972)

    Article  Google Scholar 

  • Ingle, D.: Spatial vision in anurans. In: The amphibian visual system. Fite, K.V., (ed.). New York, San Francisco, London: Academic Press 1976

    Google Scholar 

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Authors and Affiliations

  1. Neuroethology and Biocybernetic Laboratories, University of Kassel, Heinrich-Plett-Strasse 40, D-3500, Kassel, Germany

    A. Beck & J. -P. Ewert

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  1. A. Beck
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  2. J. -P. Ewert
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Supported by the Deutsche Forschungsgemeinschaft Ew 7/6.

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Beck, A., Ewert, J.P. Prey selection by Toads (Bufo bufo L.) in response to configurational stimuli moved in the visual field z,y-coordinates. J. Comp. Physiol. 129, 207–209 (1979). https://doi.org/10.1007/BF00657655

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  • DOI: https://doi.org/10.1007/BF00657655

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