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Vision and Visual Navigation in Nocturnal Insects.

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Author

Summary, in English

With their highly sensitive visual systems, nocturnal insects have evolved a remarkable capacity to discriminate colors, orient themselves using faint celestial cues, fly unimpeded through a complicated habitat, and navigate to and from a nest using learned visual landmarks. Even though the compound eyes of nocturnal insects are significantly more sensitive to light than those of their closely related diurnal relatives, their photoreceptors absorb photons at very low rates in dim light, even during demanding nocturnal visual tasks. To explain this apparent paradox, it is hypothesized that the necessary bridge between retinal signaling and visual behavior is a neural strategy of spatial and temporal summation at a higher level in the visual system. Exactly where in the visual system this summation takes place, and the nature of the neural circuitry that is involved, is currently unknown but provides a promising avenue for future research. Expected final online publication date for the Annual Review of Entomology Volume 56 is December 03, 2010. Please see http://www.annualreviews.org/catalog/pubdates.aspx for revised estimates.

Publishing year

2011

Language

English

Pages

239-254

Publication/Series

Annual Review of Entomology

Volume

56

Document type

Journal article

Publisher

Annual Reviews

Topic

  • Zoology

Status

Published

Research group

  • Lund Vision Group

ISBN/ISSN/Other

  • ISSN: 0066-4170