ArticleProceedings of the National Academy of Sciences of the United States of America2003
Coordination of central odor representations through transient, non-oscillatory synchronization of glomerular output neurons.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 50 citations in OpenAlex.
- Experimental and theoretical probe on mechano- and chemosensory integration in the insect antennal lobe.Frontiers in physiology · 2022Article
- Honeybee Brain Oscillations Are Generated by Microtubules. The Concept of a Brain Central Oscillator.Frontiers in molecular neuroscience · 2021Article
- Intrinsic and Network Mechanisms Constrain Neural Synchrony in the Moth Antennal Lobe.Frontiers in physiology · 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
- Space Takes Time: Concentration Dependent Output Codes from Primary Olfactory Networks Rapidly Provide Additional Information at Defined Discrimination Thresholds.Frontiers in cellular neuroscience · 2015Article
- It takes two-coincidence coding within the dual olfactory pathway of the honeybee.Frontiers in physiology · 2015Article
- Antennal lobe representations are optimized when olfactory stimuli are periodically structured to simulate natural wing beat effects.Frontiers in cellular neuroscience · 2014Article
- Synchronous firing of antennal-lobe projection neurons encodes the behaviorally effective ratio of sex-pheromone components in male Manduca sexta.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2013Article
- Mixture and odorant processing in the olfactory systems of insects: a comparative perspective.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2013Review
- Multichannel brain recordings in behaving Drosophila reveal oscillatory activity and local coherence in response to sensory stimulation and circuit activation.Journal of neurophysiology · 2013Article
- Spatio-temporal activity patterns of odor-induced synchronized potentials revealed by voltage-sensitive dye imaging and intracellular recording in the antennal lobe of the cockroach.Frontiers in systems neuroscience · 2012Article
- Interaction of cellular and network mechanisms for efficient pheromone coding in moths.Proceedings of the National Academy of Sciences of the United States of America · 2011Article
- Detailed Characterization of Local Field Potential Oscillations and Their Relationship to Spike Timing in the Antennal Lobe of the Moth Manduca sexta.Frontiers in neuroengineering · 2011Article
- Brain activity at 70-80 Hz changes during olfactory stimulation protocols in Drosophila.PloS one · 2010Article
- Article
- Neural correlates of behavior in the moth Manduca sexta in response to complex odors.Proceedings of the National Academy of Sciences of the United States of America · 2009Article
- Characterization and coding of behaviorally significant odor mixtures.Current biology : CB · 2009Article
- A honeybee's ability to learn, recognize, and discriminate odors depends upon odor sampling time and concentration.Behavioral neuroscience · 2009Article
- Natural stimuli evoke dynamic sequences of states in sensory cortical ensembles.Proceedings of the National Academy of Sciences of the United States of America · 2007Article
- Processing of odor mixtures in the Drosophila antennal lobe reveals both global inhibition and glomerulus-specific interactions.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2007Article
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Authors and funding
3 authors at 1 institution in 1 country.
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Abstract
At the first stage of processing in the olfactory pathway, the patterns of glomerular activity evoked by different scents are both temporally and spatially dynamic. In the antennal lobe (AL) of some insects, coherent firing of AL projection neurons (PNs) can be phase-locked to network oscillations, and it has been proposed that oscillatory synchronization of PN activity may encode the chemical identity of the olfactory stimulus. It remains unclear, however, how the brain uses this time-constrained mechanism to encode chemical identity when the stimulus itself is unpredictably dynamic. In the olfactory pathway of the moth Manduca sexta,we find that different odorants evoke gamma-band oscillations in the AL and the mushroom body (a higher-order network that receives input from the AL), but oscillations within or between these two processing stages are not temporally coherent. Moreover, the timing of action potential firing in PNs is not phase-locked to oscillations in either the AL or mushroom body, and the correlation between PN synchrony and field oscillations remains low before, during, and after olfactory stimulation. These results demonstrate that olfactory circuits in the moth are specialized to preserve time-varying signals in the insect's olfactory space, and that stimulus dynamics rather than intrinsic oscillations modulate the uniquely coordinated pattern of PN synchronization evoked by each olfactory stimulus. We propose that non-oscillatory synchronization provides an adaptive mechanism by which PN ensembles can encode stimulus identity while concurrently monitoring the unpredictable dynamics in the olfactory signal that typically occur under natural stimulus conditions.
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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.