Cited by 242Neuroscience and Neuropharmacology ResearchNeural dynamics and brain functionVisual perception and processing mechanisms

The columnar and laminar organization of inhibitory connections to neocortical excitatory cells

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Kätzel, Dennis, Zemelman, Boris V, Buetfering, Christina, Wölfel, Markus, Miesenböck, Gero·2011·Nature Neuroscience

Abstract

The cytoarchitectonic similarities of different neocortical regions have given rise to the idea of 'canonical' connectivity between excitatory neurons of different layers within a column. It is unclear whether similarly general organizational principles also exist for inhibitory neocortical circuits. Here we delineate and compare local inhibitory-to-excitatory wiring patterns in all principal layers of primary motor (M1), somatosensory (S1) and visual (V1) cortex, using genetically targeted photostimulation in a mouse knock-in line that conditionally expresses channelrhodopsin-2 in GABAergic neurons. Inhibitory inputs to excitatory neurons derived largely from the same cortical layer within a three-column diameter. However, subsets of pyramidal cells in layers 2/3 and 5B received extensive translaminar inhibition. These neurons were prominent in V1, where they might correspond to complex cells, less numerous in barrel cortex and absent in M1. Although inhibitory connection patterns were stereotypical, the abundance of individual motifs varied between regions and cells, potentially reflecting functional specializations.

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  • Inhibitory circuits share general organization principles across cortical areas, but the abundance of specific inhibitory connectivity motifs varies between regions, probably reflecting different computational requirements.

    “Inhibitory circuits share general organization principles across cortical areas, but increasing evidence suggests that the abundance of specific inhibitory connectivity motifs varies between regions (Katzel et al., 2011), probably reflecting different computational requirements.”

    From Development and Functional Diversification of Cortical Interneurons (2018) · cites this paper as Katzel et al., 2011

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Authors
Kätzel, D., Zemelman, B. V., Buetfering, C., Wölfel, M., & Miesenböck, G.
Affiliations
  • University of Oxford (GB)
  • Yale University (US)
Corresponding author
Miesenböck, Gero
Venue
Nature Neuroscience
Published
2010-11-14
Volume
14
Issue
1
Pages
100-107
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2024174536
Cited by
241
References
49
Citations by year
2025: 10 · 2024: 9 · 2023: 9 · 2022: 17 · 2021: 6 · 2020: 13 · 2019: 15 · 2018: 11 · 2017: 17 · 2016: 21 · 2015: 20 · 2014: 22 · 2013: 19 · 2012: 23
FWCI
9.17
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • HAL (submittedVersion, other-oa)
  • UCL Discovery (University College London) (submittedVersion)
  • Trinity's Access to Research Output (TARA) (Trinity College Dublin) (submittedVersion)
Funders
  • Wellcome Trust (84767, 090309/Z/09/Z, 090309)
  • National Institute on Drug Abuse (R01DA017297)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
Keywords
inhibitory connectivity, cortical columns, laminar organization, GABAergic interneurons, excitatory neurons, primary motor cortex, primary visual cortex, primary somatosensory cortex, complex cells, barrel cortex, pyramidal neurons
MeSH terms
Channelrhodopsins, Action Potentials, Animals, gamma-Aminobutyric Acid, Interneurons, Motor Cortex, Neural Inhibition, Neural Pathways, Neurons, Photic Stimulation, Somatosensory Cortex, Visual Cortex, Neocortex, Mice, Gene Knock-In Techniques, Neuroanatomical Tract-Tracing Techniques

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