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  Dark Activation of the Stationary Flight of the Fruitfly Drosophila

Buchner, E. (1972). Dark Activation of the Stationary Flight of the Fruitfly Drosophila. In Information Processing in the Visual Systems of Anthropods: Symposium Held at the Department of Zoology, University of Zurich, March 6–9, 1972 (pp. 141-146). Berlin, Germany: Springer.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-E8C5-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-E8C6-6
Genre: Conference Paper

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 Creators:
Buchner, E1, 2, Author              
Affiliations:
1Former Department Neurophysiology of Insect Behavior, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497802              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: The fruitfly Drosophila and the housefly Musca develop, under conditions of stationary flight in still air, greater thrust in complete darkness than at constant illumination. This effect of “dark activation” has been demonstrated in earlier experiments with Musca by L. MAF-FEI. The present investigations establish similar reactions in Drosophila. The thrust reduction as a function of luminance resembles the transducer characteristics of light receptors. Dark activation can be elicited throughout the visual field. The effect is mainly mediated by the directly stimulated visual element of the compound eye, provided that the source luminance is low enough to prevent stray light effects in neighbouring elements. Covering the ocelli has little, if any, effect on the dark activation. An influence of position and distribution of the light stimulus on the dark activation is expected, respectively, from the discontinuities of the receptive fields and from possible lateral interactions between neighbouring visual elements. However, an estimate of the expected variations shows that a considerable experimental effort would be necessary to distinguish these variations from statistical fluctuations of the dark activation.

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 Dates: 1972
 Publication Status: Published in print
 Pages: -
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 Rev. Type: -
 Identifiers: DOI: 10.1007/978-3-642-65477-0_20
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Title: Symposium on Information Processing in the Visual Systems of Arthropods 1972
Place of Event: Zürich, Switzerland
Start-/End Date: 1972-03-06 - 1972-03-09

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Title: Information Processing in the Visual Systems of Anthropods: Symposium Held at the Department of Zoology, University of Zurich, March 6–9, 1972
Source Genre: Proceedings
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Publ. Info: Berlin, Germany : Springer
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 141 - 146 Identifier: ISBN: 978-3-540-06020-8