Cited by 2,050Neuroscience and Neuropharmacology ResearchMemory and Neural MechanismsNeural dynamics and brain function

Neuronal Diversity and Temporal Dynamics: The Unity of Hippocampal Circuit Operations

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Klausberger, Thomas, Somogyi, Peter·2008·Science

Abstract

In the cerebral cortex, diverse types of neurons form intricate circuits and cooperate in time for the processing and storage of information. Recent advances reveal a spatiotemporal division of labor in cortical circuits, as exemplified in the CA1 hippocampal area. In particular, distinct GABAergic (gamma-aminobutyric acid-releasing) cell types subdivide the surface of pyramidal cells and act in discrete time windows, either on the same or on different subcellular compartments. They also interact with glutamatergic pyramidal cell inputs in a domain-specific manner and support synaptic temporal dynamics, network oscillations, selection of cell assemblies, and the implementation of brain states. The spatiotemporal specializations in cortical circuits reveal that cellular diversity and temporal dynamics coemerged during evolution, providing a basis for cognitive behavior.

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Crossref · 10.1126/science.1149381

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  • In hippocampal CA1, an interneuron classification starting with morphological features has been successfully implemented.

    “In the hippocampal CA1 region, Somogyi and his colleagues have been successful at implementing an interneuron classification that starts with morphological features, i.e. somatic location and dendritic and axonal innervation fields”

    From GABAergic Interneurons in the Neocortex: From Cellular Properties to Circuits (2016) · cites this paper as Klausberger and Somogyi, 2008

    The section on the soma, axon-initial segment, and dendritic domains (page unavailable) classifies CA1 interneurons by the domains their axons target, and the Conclusion says this classification groups cells according to their temporal activity. Our copy does not establish the claimed starting scheme based on interneuron somatic location and dendritic fields. (LLM, conf=0.83)

    Experimental — accuracy not yet measured
  • Over 20 inhibitory neuron types have been described in the neocortex and hippocampus at a multidimensional resolution.

    “Over 20 different types of inhibitory neuron have been described in the neocortex and hippocampus with that level of resolution”

    From Development and Functional Diversification of Cortical Interneurons (2018) · cites this paper as Klausberger and Somogyi, 2008

  • The sharp theta-range resonance detected in individual RCs and its potential spread through gap junctions to a rosehip network could phase-selectively interact with long-range inputs, similar to mechanisms suggested for oscillation-dependent memory consolidation.

    “The sharp resonance in the theta-range detected in individual RCs and its potential spread through gap junctions to a rosehip network could phase-selectively interact with long range inputs similarly to mechanisms suggested for example in oscillation dependent memory consolidation30,46.”
  • The diversity of GABAergic neurons enables an elaborate division of labour in deploying inhibitory control mechanisms to shape spatiotemporal dynamics of cortical circuit computation.

    “The spectacular diversity of GABAergic neurons enables an elaborate division of labour in deploying a rich repertoire of inhibitory control mechanisms to shape highly nuanced spatiotemporal dynamics of cortical circuit computation6,7.”
  • Anatomical specialization among cortical interneuron subtypes allows for a division of labor that affords inhibitory networks spatiotemporal control over principal cell activity, rather than providing generalized inhibition.

    “Indeed, it is now recognized that anatomical specialization among cortical interneuron subtypes allows for a division of labor that affords inhibitory networks exquisite spatiotemporal control over principal cell activity, rather than providing generalized inhibition (586, 1036).”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [586]

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Research works printed but not linked: 1

  1. [2]O’Keefe J Exp. Neurol 1976 51 78 1261644

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Authors
Klausberger, T., & Somogyi, P.
Affiliations
  • University of Oxford (GB)
  • MRC Anatomical Neuropharmacology Unit, Oxford University, Oxford OX1 3TH, UK.
Corresponding author
Klausberger, Thomas
Venue
Science
Published
2008-07-04
Volume
321
Issue
5885
Pages
53-57
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2008027377
Cited by
2,050
References
64
Citations by year
2026: 64 · 2025: 110 · 2024: 86 · 2023: 99 · 2022: 116 · 2021: 114 · 2020: 120 · 2019: 126 · 2018: 129 · 2017: 129 · 2016: 127 · 2015: 133 · 2014: 143 · 2013: 131 · 2012: 116
FWCI
8.38
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
hippocampal CA1, neuronal heterogeneity, GABAergic interneurons, pyramidal neurons, network oscillations, brain states, cortical circuits
MeSH terms
Animals, Axons, Cognition, Dendrites, Biological Evolution, gamma-Aminobutyric Acid, Hippocampus, Humans, Interneurons, Nerve Net, Neural Pathways, Neurons, Synapses, Pyramidal Cells

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