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Decoding temporal information through slow lateral excitation in the olfactory system of insects
journal contribution
posted on 2023-06-08, 05:20 authored by Thomas NowotnyThomas Nowotny, Mikhail I Rabinovich, Ramón Huerta, Henry D I AbarbanelSensory information is represented in a spatio-temporal code in the antennal lobe, the first processing stage of the olfactory system of insects. We propose a novel mechanism for decoding this information in the next processing stage, the mushroom body. The Kenyon cells in the mushroom body of insects exhibit lateral excitatory connections at their axons. We demonstrate that slow lateral excitation between Kenyon cells allows one to decode sequences of activity in the antennal lobe. We are thus able to clarify the role of the existing connections as well as to demonstrate a novel mechanism for decoding temporal information in neuronal systems. This mechanism complements the variety of existing temporal decoding schemes. It seems that neuronal systems not only have a rich variety of code types but also quite a diversity of algorithms for transforming different codes into each other.
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Publication status
- Published
Journal
Journal of Computational NeuroscienceISSN
0929-5313External DOI
Issue
2Volume
15Page range
271-281Department affiliated with
- Informatics Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-02-06Usage metrics
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