Journal
CELL AND TISSUE RESEARCH
Volume 383, Issue 1, Pages 59-73Publisher
SPRINGER
DOI: 10.1007/s00441-020-03387-3
Keywords
Olfaction; Antennal lobe; Projection neurons; Local interneurons; Periplaneta americana
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Funding
- Deutsche Forschungsgemeinschft
- Universitat zu Koln
- Projekt DEAL
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This review provides an overview of the important cell type-specific functional properties of different types of projection neurons and local interneurons in the antennal lobe of the cockroach, highlighting the specialized roles they play in olfactory processing. The experimental system of the cockroach Periplaneta americana has elucidated important biophysical and cellular bases of intrinsic physiological properties of these neurons.
Highly interconnected neural networks perform olfactory signal processing in the central nervous system. In insects, the first synaptic processing of the olfactory input from the antennae occurs in the antennal lobe, the functional equivalent of the olfactory bulb in vertebrates. Key components of the olfactory network in the antennal lobe are two main types of neurons: the local interneurons and the projection (output) neurons. Both neuron types have different physiological tasks during olfactory processing, which accordingly require specialized functional phenotypes. This review gives an overview of important cell type-specific functional properties of the different types of projection neurons and local interneurons in the antennal lobe of the cockroach Periplaneta americana, which is an experimental system that has elucidated many important biophysical and cellular bases of intrinsic physiological properties of these neurons.
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