Abstract
ABSTRACTField potential oscillations in the olfactory system of vertebrates and invertebrates are prominent and well-studied, but their functions remain nevertheless enigmatic. Spatial networks are thought to play a role in olfactory discrimination in different species, but their analysis is frequently complicated by behavior, learning and respiration (sniffing). Here, we show that in a sniffing-free model (trout), the relevant feature for discriminating odorant identity is the information conveyed by the oscillatory activity in a spatially distributed network, including the olfactory bulb and the telencephalic regions Vv and Dp. Specifically, information-based methods based on spectral decoding, information sharing, and information redundancy distinguished odorant identity across spatially distant regions while classical spectral analyses did not. Our study demonstrates that olfactory oscillations are carriers of spatially distributed odor information across the teleost olfactory system.
Publisher
Cold Spring Harbor Laboratory
Cited by
1 articles.
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