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Flow-field variables trigger landing in flies

Nature volume 297, pages 147–148 (1982)Cite this article

Abstract

The eyes of moving animals experience a continuously changing flow of stimulation. Information contained in this ‘optical flow field’ can be extracted to control movement1–4. I present here evidence that pre-landing deceleration in flies is determined by such information: onset of deceleration is triggered when the ratio of the image expansion of a target on the retina to the image size (‘relative retinal expansion velocity’, RREV) reaches a critical value.

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Authors and Affiliations

  1. Max-Planck-Institut für biologische Kybernetik, Spemannstrasse 38, D-7400, Tübingen, 1, FRG

    Hermann Wagner

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  1. Hermann Wagner
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Wagner, H. Flow-field variables trigger landing in flies. Nature 297, 147–148 (1982). https://doi.org/10.1038/297147a0

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