ArticleScientific reports2019
Multisensory learning between odor and sound enhances beta oscillations.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Gamma and beta oscillatory signatures of the human olfactory bulb encode odor valence and sampling.iScience · 2026Article
- DX243 counteracts both acoustic trauma-induced reduction in cortical brain oscillations and cochlear synaptopathy.Frontiers in pharmacology · 2025Article
- A minimal model of cognition based on oscillatory and current-based reinforcement processes.Journal of the Royal Society, Interface · 2025Article
- Direct Piriform-to-Auditory Cortical Projections Shape Auditory-Olfactory Integration.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024Article
- Direct piriform-to-auditory cortical projections shape auditory-olfactory integration.bioRxiv : the preprint server for biology · 2024Article
- Review
- Organization and engagement of a prefrontal-olfactory network during olfactory selective attention.Cerebral cortex (New York, N.Y. : 1991) · 2023Article
- Smell-induced gamma oscillations in human olfactory cortex are required for accurate perception of odor identity.PLoS biology · 2022Article
- The human olfactory bulb processes odor valence representation and cues motor avoidance behavior.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Neonatal Isoflurane Does Not Affect Sleep Architecture and Minimally Alters Neuronal Beta Oscillations in Adolescent Rats.Frontiers in behavioral neuroscience · 2021Article
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Multisensory interactions are essential to make sense of the environment by transforming the mosaic of sensory inputs received by the organism into a unified perception. Brain rhythms allow coherent processing within areas or between distant brain regions and could thus be instrumental in functionally connecting remote brain areas in the context of multisensory interactions. Still, odor and sound processing relate to two sensory systems with specific anatomofunctional characteristics. How does the brain handle their association? Rats were challenged to discriminate between unisensory stimulation (odor or sound) and the multisensory combination of both. During learning, we observed a progressive establishment of high power beta oscillations (15-35 Hz) spanning on the olfactory bulb, the piriform cortex and the perirhinal cortex, but not the primary auditory cortex. In the piriform cortex, beta oscillations power was higher in the multisensory condition compared to the presentation of the odor alone. Furthermore, in the olfactory structures, the sound alone was able to elicit a beta oscillatory response. These findings emphasize the functional differences between olfactory and auditory cortices and reveal that beta oscillations contribute to the memory formation of the multisensory association.
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