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  Odour intensity learning in fruit flies

Yarali, A., Ehser, S., Hapil, F. Z., Huang, J., & Gerber, B. (2009). Odour intensity learning in fruit flies. Proceedings of the Royal Society B-Biological Sciences, 276(1672), 3413-3420.

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資料種別: 学術論文

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 作成者:
Yarali, A.1, 著者           
Ehser, S.2, 著者
Hapil, F. Z.2, 著者
Huang, J.2, 著者
Gerber, B.2, 著者
所属:
1Max Planck Research Group: Behavioral Genetics / Tanimoto, MPI of Neurobiology, Max Planck Society, ou_1113555              
2[Ehser, Sabrina; Hapil, Fatma Zehra; Huang, Ju; Gerber, Bertram] Univ Würzburg, Biozentrum, D-97070 Würzburg, Germany.; [Hapil, Fatma Zehra] Bilkent Univ, Dept Mol Biol & Genet, Bilkent, Turkey.; [Huang, Ju] Chinese Acad Sci, Inst Neurosci, Beijing 100864, Peoples R China., ou_persistent22              

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キーワード: fruit fly; olfaction; odour intensity; associative learning; recognition; benzaldehyde
 要旨: Animals' behaviour towards odours depends on both odour quality and odour intensity. While neuronal coding of odour quality is fairly well studied, how odour intensity is treated by olfactory systems is less clear. Here we study odour intensity processing at the behavioural level, using the fruit fly Drosophila melanogaster. We trained flies by pairing a MEDIUM intensity of an odour with electric shock, and then, at a following test phase, measured flies' conditioned avoidance of either this previously trained MEDIUM intensity or a LOWer or a HIGHer intensity. With respect to 3-octanol, n-amylacetate and 4-methylcyclohexanol, we found that conditioned avoidance is strongest when training and test intensities match, speaking for intensity-specific memories. With respect to a fourth odour, benzaldehyde, on the other hand, we found no such intensity specificity. These results form the basis for further studies of odour intensity processing at the behavioural, neuronal and molecular level.

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言語: eng - English
 日付: 2009-10-07
 出版の状態: 出版
 ページ: -
 出版情報: -
 目次: -
 査読: 査読あり
 識別子(DOI, ISBNなど): eDoc: 435899
ISI: 000269241300004
 学位: -

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出版物名: Proceedings of the Royal Society B-Biological Sciences
  出版物の別名 : Proc. R. Soc. B-Biol. Sci.
種別: 学術雑誌
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出版社, 出版地: -
ページ: - 巻号: 276 (1672) 通巻号: - 開始・終了ページ: 3413 - 3420 識別子(ISBN, ISSN, DOIなど): ISSN: 0962-8452