Motion Sensitive Descending Interneurons, Ocellar LD Neurons and Neck Motoneurons in the Bee: A Neural Substrate for Visual Course Control in Apis mellifera

  • Lesley J. Goodman
  • William A. Fletcher
  • Richard G. Guy
  • Peter G. Mobbs
  • Christopher D. J. Pomfrett

Abstract

The response characteristics of 12, identified, motion-sensitive descending interneurons in the brain of Apis mellifera suggests that they form a significant part of the neural substrate for visual course control. The neurons are sensitive to wide field-motion of the visual surround, non-habituating, non-adapting, velocity sensitive and unresponsive to small target movement. Ten of them show broad band directional sensitivity. Analysis of the preferred directions of the cells shows a polarization towards either the vertical or the horizontal with an asymmetrical distribution of units within one connective. Differences in sensitivity to pitch and to roll simulations is found in some of the vertically sensitive cells. At least one ocellar LD neuron also carries information about vertical movement over the compound eye. Suboesophageal neck motoneurons are also found to display directional sensitivity to wide field motion.

Keywords

Torque Cobalt Respiration Retina Boulder 

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Copyright information

© Springer-Verlag Berlin Heildelberg 1987

Authors and Affiliations

  • Lesley J. Goodman
    • 1
  • William A. Fletcher
    • 1
  • Richard G. Guy
    • 1
  • Peter G. Mobbs
    • 1
  • Christopher D. J. Pomfrett
    • 1
  1. 1.School of Biological SciencesQueen Mary College, University of LondonLondonUK

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