Learning of Bimodal vs. Unimodal Signals in Restrained Bumble Bees

April 27, 2020 | Biology

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Always be updated on the latest Biology news. Lab.Equipment is here to provide up-to-date articles from credible online sources today. This one comes from Journal of Experimental Biology:

Andre J. Riveros, Anne S. Leonard, Wulfila Gronenberg, and Daniel R. Papaj

Similar to animal communication displays, flowers emit complex signals that attract pollinators. Signal complexity could lead to higher cognitive load, impairing performance, or might benefit pollinators by facilitating learning, memory and decision-making. Here, we evaluate learning and memory in foragers of the bumble bee Bombus impatiens trained to simple (unimodal) vs. complex signals (bimodal) under restrained conditions. Use of a proboscis extension response protocol enabled us to control the timing and duration of stimuli presented during absolute and differential learning tasks. Overall, we observed broad variation in the performance under the two conditions, with bees trained to compound bimodal signals learning and remembering as well as, better, or more poorly than bees trained to unimodal signals. Interestingly, the outcome of training was affected by the specific colour-odour... Want to read more? Visit the Journal of Experimental Biology (JEB)​ Blog.

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