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  Spectral effects of the pupil in fly photoreceptors

Vogt, K., Kirschfeld, K., & Stavenga, D. (1982). Spectral effects of the pupil in fly photoreceptors. Journal of Comparative Physiology A, 146(2), 145-152. doi:10.1007/BF00610232.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-09C3-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-09C4-3
Genre: Journal Article

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Vogt, K1, 2, Author              
Kirschfeld, K1, 2, Author              
Stavenga, DG1, 2, Author              
Affiliations:
1Former Department Comparative Neurobiology, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497800              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              

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 Abstract: Photoreceptors of flies contain pigment granules which upon illumination of the receptors migrate towards the rhabdomere and act as a ‘longitudinal pupil’. Data in the literature concerning the effect of the pupil on the spectral sensitivity are contradictory. Therefore spectral sensitivity ofMusca photoreceptors upon light adaptation was reinvestigated. The change in spectral sensitivity of fly photoreceptors upon light adaptation as measured by Hardie (1979) was confirmed. Taking into account waveguide optics this change was explained from absorbance spectra of pupillary granules, measured by microspectrophotometry in squash preparations. Furthermore the pupil absorbance spectrum determined in vivo (Stavenga et al. 1973) was interpreted. The absence of a change in spectral sensitivity upon light adaptation measured by pupillary reflexion (Bernard and Stavenga 1979) is explained by a local-triggering of the pupil.

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 Dates: 1982-06
 Publication Status: Published in print
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 Identifiers: DOI: 10.1007/BF00610232
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Title: Journal of Comparative Physiology A
  Other : J. Comp. Physiol. A -Neuroethol. Sens. Neural Behav. Physiol.
Source Genre: Journal
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Publ. Info: Heidelberg : Springer Verlag
Pages: - Volume / Issue: 146 (2) Sequence Number: - Start / End Page: 145 - 152 Identifier: ISSN: 0340-7594
CoNE: https://pure.mpg.de/cone/journals/resource/954925519626