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Maplike Representation of Celestial E-Vector Orientations in the Brain of an Insect

Author:
  • Stanley Heinze
  • Uwe Homberg
Publishing year: 2007
Language: English
Pages: 995-997
Publication/Series: Science
Volume: 315
Document type: Journal article
Publisher: American Association for the Advancement of Science

Abstract english

Or many insects, the polarization pattern of the blue sky serves as a compass cue for spatial navigation. E-vector orientations are detected by photoreceptors in a dorsal rim area of the eye. Polarized-light signals from both eyes are finally integrated in the central complex, a brain area consisting of two subunits, the protocerebral bridge and the central body. Here we show that a topographic representation of zenithal E-vector orientations underlies the columnar organization of the protocerebral bridge in a locust. The maplike arrangement is highly suited to signal head orientation under the open sky.

Keywords

  • Zoology

Other

Published
  • ISSN: 1095-9203
Stanley Heinze
E-mail: stanley [dot] heinze [at] biol [dot] lu [dot] se

Researcher

Functional zoology

+46 46 222 95 78

+46 72 323 24 11

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