ArticleJournal of neurophysiology2010
How global are olfactory bulb oscillations?
Article in Journal of neurophysiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Odor encoding by fine-timescale spike synchronization patterns in the olfactory bulb.Journal of neurophysiology · 2025Article
- Oscillations in the prefrontal-hippocampal circuit couple to respiration-related oscillations during all phases of a working memory task.Frontiers in behavioral neuroscience · 2025Article
- Coherent olfactory bulb gamma oscillations arise from coupling independent columnar oscillators.Journal of neurophysiology · 2024Article
- Article
- Sudden Intrabulbar Amyloid Increase Simultaneously Disrupts Olfactory Bulb Oscillations and Odor Detection.Neural plasticity · 2019Article
- Harnessing olfactory bulb oscillations to perform fully brain-based sleep-scoring and real-time monitoring of anaesthesia depth.PLoS biology · 2018Article
- Pharmacological manipulation of the olfactory bulb modulates beta oscillations: testing model predictions.Journal of neurophysiology · 2018Article
- The Dynamic Basis of Respiratory Rhythm Generation: One Breath at a Time.Annual review of neuroscience · 2018Review
- Synchronization by uncorrelated noise: interacting rhythms in interconnected oscillator networks.Scientific reports · 2018Article
- A coupled-oscillator model of olfactory bulb gamma oscillations.PLoS computational biology · 2017Article
- Olfactory Bulb Deep Short-Axon Cells Mediate Widespread Inhibition of Tufted Cell Apical Dendrites.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2017Article
- Gamma and Beta Oscillations Define a Sequence of Neurocognitive Modes Present in Odor Processing.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2016Article
- ϒ spike-field coherence in a population of olfactory bulb neurons differentiates between odors irrespective of associated outcome.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2015Article
- Independent control of gamma and theta activity by distinct interneuron networks in the olfactory bulb.Nature neuroscience · 2014Article
- What is all the noise about in interval timing?Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2014Article
- How noise contributes to time-scale invariance of interval timing.Physical review. E, Statistical, nonlinear, and soft matter physics · 2013Article
- Microscale inhomogeneity of brain tissue distorts electrical signal propagation.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2013Article
Corrections and comments
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Authors and funding
2 authors.
Funding
Abstract
Previous studies in waking animals have shown that the frequency structure of olfactory bulb (OB) local field potential oscillations is very similar across the OB, but large low-impedance surface electrodes may have favored highly coherent events, averaging out local inhomogeneities. We tested the hypothesis that OB oscillations represent spatially homogeneous phenomena at all scales. We used pairs of concentric electrodes (200 μm outer shaft surrounding an inner 2-3 μm recording site) beginning on the dorsal OB at anterior and medial locations in urethane-anesthetized rats and measured local field potential responses at successive 200 μm depths before and during odor stimulation. Within locations (outer vs. inner lead on a single probe), on the time scale of 0.5 s, coherence in all frequency bands was significant, but on larger time scales (10 s), only respiratory (1-4 Hz) and beta (15-30 Hz) oscillations showed prominent peaks. Across locations, coherence in all frequency bands was significantly lower for both sizes of electrodes at all depths but the most superficial 600 μm. Near the pial surface, coherence across outer (larger) electrodes at different sites was equal to coherence across outer and inner (small) electrodes within a single site and larger than coherence across inner electrodes at different sites. Overall, the beta band showed the largest coherence across bulbar sites and electrodes. Therefore larger electrodes at the surface of the OB favor globally coherent events, and at all depths, coherence depends on the type of oscillation (beta or gamma) and duration of the analysis window.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.