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research
Fast learning but coarse discrimination of colours in restrained honeybees.
Authors
NH de Ibarra
B Komischke
+3 more
G Leboulle
R Menzel
C Niggebrügge
Publication date
16 December 2013
Publisher
'The Company of Biologists'
Doi
Cite
Abstract
addresses: Department of Neurobiology, Institute of Biology, Free University of Berlin, 14195 Berlin, Germany.types: Journal Article; Research Support, Non-U.S. Gov't© 2009 Company of Biologists. Post print version deposited in accordance with SHERPA RoMEO guidelines. The definitive version is available at: http://jeb.biologists.org/content/212/9/1344Colours are quickly learnt by free-moving bees in operant conditioning settings. In the present study, we report a method using the classical conditioning of the proboscis extension response (PER) in restrained honeybees (Apis mellifera), which allows bees to learn colours after just a few training trials. We further analysed how visual learning and discrimination is influenced by the quality of a stimulus by systematically varying the chromatic and achromatic properties of the stimuli. Using differential conditioning, we found that faster colour discrimination learning was correlated with reduced colour similarity between stimuli. In experiments with both absolute and differential conditioning, restrained bees showed poor colour discrimination and broad generalisation. This result is in strong contrast to the well-demonstrated ability of bees to finely discriminate colours under free-flight conditions and raises further questions about the temporal and perceptual processes underlying the ability of bees to discriminate and learn colours in different behavioural contexts
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Last time updated on 22/12/2013
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Last time updated on 11/12/2019