The DOI matches its Crossref record; 67 of the 67 references it cites were found in a registry or an index.
Dynamics of learning and recall at excitatory recurrent synapses and cholinergic modulation in rat hippocampal region CA3
Open accessAbstract
Hippocampal region CA3 contains strong recurrent excitation mediated by synapses of the longitudinal association fibers. These recurrent excitatory connections may play a dominant role in determining the information processing characteristics of this region. However, they result in feedback dynamics that may cause both runaway excitatory activity and runaway synaptic modification. Previous models of recurrent excitation have prevented unbounded activity using biologically unrealistic techniques. Here, the activation of feedback inhibition is shown to prevent unbounded activity, allowing stable activity states during recall and learning. In the model, cholinergic suppression of synaptic transmission at excitatory feedback synapses is shown to determine the extent to which activity depends upon new features of the afferent input versus components of previously stored representations. Experimental work in brain slice preparations of region CA3 demonstrates the cholinergic suppression of synaptic transmission in stratum radiatum, which contains synapses of the longitudinal association fibers.
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Cited by
Synaptic Plasticity and Memory: An Evaluation of the Hypothesis
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Self-citationPattern Separation in the Dentate Gyrus and CA3 of the Hippocampus
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Pattern separation in the hippocampus
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Metadata
- Authors
- Hasselmo, M., Schnell, E., & Barkai, E.
- Venue
- The Journal of Neuroscience
- Publisher
- Society for Neuroscience
- Published
- 1995-07-01
- Volume
- 15
- Issue
- 7
- Pages
- 5249-5262
- ISSN
- 0270-6474 (ISSN-L)
- 1529-2401
- OpenAlex
- W2126561217
- Cited by
- 470
- References
- 67
- FWCI
- 7.06
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Hasselmo, M., Schnell, E., & Barkai, E. (1995). Dynamics of learning and recall at excitatory recurrent synapses and cholinergic modulation in rat hippocampal region CA3. The Journal of Neuroscience. https://doi.org/10.1523/jneurosci.15-07-05249.1995
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
