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  Association of visual objects and olfactory cues in Drosophila.

Guo, A., & Götz, K. (1997). Association of visual objects and olfactory cues in Drosophila. Learning & memory, 4(2), 192-204. doi:10.1101/lm.4.2.192.

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Guo, A, Author
Götz, KG1, 2, Author           
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              
2Former Department Neurophysiology of Insect Behavior, Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497802              

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 Abstract: Context-dependent preferences in a choice between an upper and a lower visual object of otherwise identical appearance were recorded
during stationary flight of the fruitfly, Drosophila melanogaster, in a flight simulator. The test animal was held in a fixed orientation at the center of a
wing-beat processor that converts attempted turns into counter-rotations of a surrounding cylindrical panorama. This allowed the ny to maneuver the
preferred object into the actual direction of flight. Single flies were trained to avoid a course toward the visual object that had been associated with the
aversive odor benzaldehyde (BAL). Conditioned object avoidance was investigated in different treatment groups by collective evaluation of the scores
from 80 long-lasting flights (>1 hr). In addition to a significant cross-modal association, we found a striking long-term effect of transient exposure to BAL
both in the embryonic and larval states. The preimaginal experience significantly increased the indifference to BAI, in the adult flies. Disturbed vision does
not account for this effect: Neither the perception nor the discrimination of the visual objects was significantly impaired in the investigated flies. Disturbed
olfaction could explain the present results. Recently, however, preimaginal BAL uptake has been found to interfere directly with the retention of
heat-shock-conditioned object avoidance.

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 Dates: 1997-07
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: 362
DOI: 10.1101/lm.4.2.192
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Title: Learning & memory
Source Genre: Journal
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Publ. Info: Cold Spring Harbor Laboratory Press
Pages: - Volume / Issue: 4 (2) Sequence Number: - Start / End Page: 192 - 204 Identifier: ISSN: 1072-0502
CoNE: https://pure.mpg.de/cone/journals/resource/954925603751