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Type: Journal article
Title: Asymmetric neural coding revealed by in vivo calcium imaging in the honey bee brain
Author: Rigosi, E.
Haase, A.
Rath, L.
Anfora, G.
Vallortigara, G.
Szyszka, P.
Citation: Proceedings of the Royal Society B: Biological Sciences, 2015; 282(1803):20142571-1-20142571-8
Publisher: The Royal Society
Issue Date: 2015
ISSN: 0962-8452
Statement of
Elisa Rigosi, Albrecht Haase, Lisa Rath, Gianfranco Anfora, Giorgio Vallortigara, Paul Szyszka
Abstract: Left–right asymmetries are common properties of nervous systems. Although lateralized sensory processing has been well studied, information is lacking about how asymmetries are represented at the level of neural coding. Using in vivo functional imaging, we identified a population-level left–right asymmetry in the honey bee's primary olfactory centre, the antennal lobe (AL). When both antennae were stimulated via a frontal odour source, the inter-odour distances between neural response patterns were higher in the right than in the left AL. Behavioural data correlated with the brain imaging results: bees with only their right antenna were better in discriminating a target odour in a cross-adaptation paradigm. We hypothesize that the differences in neural odour representations in the two brain sides serve to increase coding capacity by parallel processing.
Keywords: honey bee; brain asymmetry; odour coding; calcium imaging; odour discrimination; lateralization
Rights: © 2015 The Author(s) Published by the Royal Society. All rights reserved
DOI: 10.1098/rspb.2014.2571
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