Sep 17, 2017

Experience during early adulthood shapes the learning capacities and the number of synaptic boutons in the mushroom bodies of honey bees (Apis mellifera )

Learning & Memory
Amélie CabirolJean-Marc Devaud

Abstract

The honey bee mushroom bodies (MBs) are brain centers required for specific learning tasks. Here, we show that environmental conditions experienced as young adults affect the maturation of MB neuropil and performance in a MB-dependent learning task. Specifically, olfactory reversal learning was selectively impaired following early exposure to an impoverished environment lacking some of the sensory and social interactions present in the hive. In parallel, the overall number of synaptic boutons increased within the MB olfactory neuropil, whose volume remained unaffected. This suggests that experience of the rich in-hive environment promotes MB maturation and the development of MB-dependent learning capacities.

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Mentioned in this Paper

Sensory Deprivation
Apis mellifera
Presynaptic Terminals
MRNA Maturation
Neuropil
Discrimination (Process of Differentiation)
Memory Training
Brain
Visual Perception
Environment

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