ArticleFrontiers in cellular neuroscience2020
Improved Separation of Odor Responses in Granule Cells of the Olfactory Bulb During Odor Discrimination Learning.
Article in Frontiers in cellular neuroscience, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 8 citations in OpenAlex.
- Cortico-Striatal-Midbrain Circuit Dysregulation Underlying MK-801 Induced Impulsivity and the Ameliorative Effects of SEP.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Olfactory bulb astrocytes link social transmission of stress to cognitive adaptation in male mice.Nature communications · 2024Article
- Long-range GABAergic projections contribute to cortical feedback control of sensory processing.Nature communications · 2022Article
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7 authors at 1 institution in 1 country.
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Abstract
In the olfactory bulb, olfactory information is translated into ensemble representations by mitral/tufted cells, and these representations change dynamically in a context-dependent manner. In particular, odor representations in mitral/tufted cells display pattern separation during odor discrimination learning. Although granule cells provide major inhibitory input to mitral/tufted cells and play an important role in pattern separation and olfactory learning, the dynamics of odor responses in granule cells during odor discrimination learning remain largely unknown. Here, we studied odor responses in granule cells of the olfactory bulb using fiber photometry recordings in awake behaving mice. We found that odors evoked reliable, excitatory responses in the granule cell population. Intriguingly, during odor discrimination learning, odor responses in granule cells exhibited improved separation and contained information about odor value. In conclusion, we show that granule cells in the olfactory bulb display learning-related plasticity, suggesting that they may mediate pattern separation in mitral/tufted cells.
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