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Updated: Jul 27, 2026

In vivo Ca2+- Imaging of Mushroom Body Neurons During Olfactory Learning in the Honey Bee
Published on: August 18, 2009
Learning channels. Cellular physiology of odor processing neurons within the honeybee brain
B Grünewald1, Anna Wersing, D G Wüstenberg
1Institut für Biologie, Neurobiologie, Freie Universität Berlin, Königin-Luise-Str. 28-30, D-14195 Berlin, Germany. gruenewa@neurobiologie.fu-berlin.de
Abstract:
To understand the cellular mechanisms of olfactory learning in the honeybee brain we study the physiology of identified neurons within the olfactory pathway. Here, we review data on the voltage-sensitive and ligand-gated ionic currents of mushroom body Kenyon cells and antennal lobe neurons in vitro and in situ. Both cell types generate action potentials in vitro, but have different voltage-sensitive K+ currents. They express nicotinic acetylcholine receptors and ionotropic GABA receptors, representing the major transmitter systems in the insect olfactory system. Our data are interpreted with respect to learning-dependent plasticity in the honeybee brain.
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