ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2021
Gamma Oscillations in the Basolateral Amygdala: Localization, Microcircuitry, and Behavioral Correlates.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Functional Segregation of Epileptogenicity within the Human Amygdala.Annals of neurology · 2026Article
- Article
- Novelty, Ecological Relevance, and Sexual Receptivity Modulate Neuronal Interactions between the Amygdala and Hippocampus.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026Article
- Saccade-related LFP power transients in the primate amygdala and hippocampus linked to the perception of social status.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Article
- Major individual and regional variations in unit entrainment by oscillations of different frequencies.Scientific reports · 2025Article
- Mystery of gamma wave stimulation in brain disorders.Molecular neurodegeneration · 2024Review
- Multi-regional control of amygdalar dynamics reliably reflects fear memory age.Nature communications · 2024Article
- Arousal effects on oscillatory dynamics in the non-human primate brain.Cerebral cortex (New York, N.Y. : 1991) · 2024Article
- Acetylcholine Engages Distinct Amygdala Microcircuits to Gate Internal Theta Rhythm.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024Article
- The amygdala mediates the facilitating influence of emotions on memory through multiple interacting mechanisms.Neurobiology of stress · 2023Review
- Sex differences in amygdalohippocampal oscillations and neuronal activation in a rodent anxiety model and in response to infralimbic deep brain stimulation.Frontiers in behavioral neuroscience · 2023Article
- Neural Oscillations in Aversively Motivated Behavior.Frontiers in behavioral neuroscience · 2022Review
- The role of gamma oscillations in central nervous system diseases: Mechanism and treatment.Frontiers in cellular neuroscience · 2022Review
- Basolateral amygdala to posterior piriform cortex connectivity ensures precision in learned odor threat.Scientific reports · 2021Article
- Article
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Authors and funding
5 authors.
Funding
Abstract
The lateral (LA) and basolateral (BL) nuclei of the amygdala regulate emotional behaviors. Despite their dissimilar extrinsic connectivity, they are often combined, perhaps because their cellular composition is similar to that of the cerebral cortex, including excitatory principal cells reciprocally connected with fast-spiking interneurons (FSIs). In the cortex, this microcircuitry produces gamma oscillations that support information processing and behavior. We tested whether this was similarly the case in the rat (males) LA and BL using extracellular recordings, biophysical modeling, and behavioral conditioning. During periods of environmental assessment, both nuclei exhibited gamma oscillations that stopped upon initiation of active behaviors. Yet, BL exhibited more robust spontaneous gamma oscillations than LA. The greater propensity of BL to generate gamma resulted from several microcircuit differences, especially the proportion of FSIs and their interconnections with principal cells. Furthermore, gamma in BL but not LA regulated the efficacy of excitatory synaptic transmission between connected neurons. Together, these results suggest fundamental differences in how LA and BL operate. Most likely, gamma in LA is externally driven, whereas in BL it can also arise spontaneously to support ruminative processing and the evaluation of complex situations.
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Registered trials
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