Journal
LEARNING AND MOTIVATION
Volume 42, Issue 1, Pages 76-83Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.lmot.2010.08.009
Keywords
Bumblebees; Bombus impatiens; Symmetry Pattern learning; Innate; Floral choice; Non-differential conditioning
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Truly flower-naive bumblebees, with no prior rewarded experience for visits on any visual patterns outside the colony, were tested for their choice of bilaterally symmetric over asymmetric patterns in a radial-arm maze. No preference for symmetry was found. Prior training with rewarded black and white disks did, however, lead to a significant preference for symmetry. The preference was not specific to symmetry along the vertical axis: a preference for horizontal symmetry was found as well. The results challenge the notion that a preference for bilateral symmetry is unlearned. The preference for symmetry was the product of non-differential conditioning. (C) 2010 Elsevier Inc. All rights reserved.
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