2018
DOI: 10.1371/journal.pone.0196749
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Relationship between brain plasticity, learning and foraging performance in honey bees

Abstract: Brain structure and learning capacities both vary with experience, but the mechanistic link between them is unclear. Here, we investigated whether experience-dependent variability in learning performance can be explained by neuroplasticity in foraging honey bees. The mushroom bodies (MBs) are a brain center necessary for ambiguous olfactory learning tasks such as reversal learning. Using radio frequency identification technology, we assessed the effects of natural variation in foraging activity, and the age wh… Show more

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Cited by 44 publications
(44 citation statements)
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“…Nonetheless, at least for the appetitive domain, the extinction/decay of memory appears to be rather rapid in larvae and fittingly we observe "true" reversal learning only in a paradigm with relatively intense training for the initial association (3 cycles) and relatively little training for the second (1 cycle). This is in contrast with results, for example, in the honeybee, where appetitive reversal learning paradigms include several reversed-contingency training trials and often use a 1:1 ratio of trial numbers in the first and the second training phase (Ben-Shahar et al 2000;Komischke et al 2002;Hadar and Menzel 2010;Mota and Giurfa 2010;Boitard et al 2015;Cabirol et al 2018). Specifically, during the second phase, bees typically persist in responding to the cue that was originally reinforced, meaning that the effects of training from the first phase persist and need to be overcome during the second, reversed-contingency training phase (Hadar and Menzel 2010;Mota and Giurfa 2010).…”
Section: Strategies For Contingency Adjustmentcontrasting
confidence: 69%
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“…Nonetheless, at least for the appetitive domain, the extinction/decay of memory appears to be rather rapid in larvae and fittingly we observe "true" reversal learning only in a paradigm with relatively intense training for the initial association (3 cycles) and relatively little training for the second (1 cycle). This is in contrast with results, for example, in the honeybee, where appetitive reversal learning paradigms include several reversed-contingency training trials and often use a 1:1 ratio of trial numbers in the first and the second training phase (Ben-Shahar et al 2000;Komischke et al 2002;Hadar and Menzel 2010;Mota and Giurfa 2010;Boitard et al 2015;Cabirol et al 2018). Specifically, during the second phase, bees typically persist in responding to the cue that was originally reinforced, meaning that the effects of training from the first phase persist and need to be overcome during the second, reversed-contingency training phase (Hadar and Menzel 2010;Mota and Giurfa 2010).…”
Section: Strategies For Contingency Adjustmentcontrasting
confidence: 69%
“…1A). The ease of this reversal was striking, compared with what has been observed, for example, in experiments with honeybees (Ben-Shahar et al 2000;Komischke et al 2002;Hadar and Menzel 2010;Mota and Giurfa 2010;Boitard et al 2015;Cabirol et al 2018). We therefore wondered whether memory for the first training phase persists until the second test.…”
Section: Resultsmentioning
confidence: 72%
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“…For example, honeybees reared under sub-optimal environmental conditions have 47 exhibited reduced brain volumetric growth and altered neuronal architecture (Groh et al, 2004;Steijven 48 et al, 2017). Impeded brain development and structural plasticity may impact on behaviours such as 49 learning ability, that require detection, assimilation and processing of sensory input from the environment 50 (Cabirol et al, 2018;Chittka, 2017;Galizia et al, 2011). Knowledge of how pesticide contaminated food 51 inside bee colonies can affect individual physiological development however, is limited (Gregorc et al,52 2012; Wu et al, 2012Wu et al, , 2011.…”
Section: Introduction 25mentioning
confidence: 99%
“…Studies in adult holometabolous insects, including Apis mellifera and D. melanogaster, described synaptic plasticity, but no neurogenesis, in the mushroom bodies 36,[46][47][48][49][50][51][52][53][54][55] . Since adult neurogenesis in the mushroom bodies was first described in the hemimetabolous house cricket Acheta domestica 56,57 , it has also been found in Environmental conditions influence adult neurogenesis.…”
mentioning
confidence: 99%