Pattern recognition in honeybees: chromatic properties of orientation analysis |
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Authors: | A. D. Giger M. V. Srinivasan |
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Affiliation: | (1) Centre for Visual Sciences, Research School of Biological Sciences, Australian National University, G.P.O. Box 475, 2601 Canberra, ACT, Australia |
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Abstract: | The spectral properties of the discrimination of pattern orientation in freely flying honeybees (Apis mellifera) were examined. Bees were trained to discriminate between two random black/white gratings oriented perpendicularly to each other, one of which was associated with a reward. Subsequently the bees were tested on two-colour gratings or gratings consisting of grey and coloured stripes, providing a range of different chromatic contrasts, luminance contrasts and specific channel contrasts. The results of these experiments indicate that orientation analysis in the honeybee is mediated almost exclusively by the green receptor channel, although the bee's visual system as a whole is endowed with excellent trichromatic colour vision. |
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Keywords: | Vision Orientation analysis Colour-blindness Honeybees Apis mellifera |
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