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Cited by 200Neuroscience and Neuropharmacology ResearchVisual perception and processing mechanismsNeural dynamics and brain function

The DOI matches its Crossref record; 68 of the 68 references it cites were found in a registry or an index.

Synaptic connections of intracellularly filled clutch cells: A type of small basket cell in the visual cortex of the cat

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Kisvárday, Z. F., Martin, K. A. C., Whitteridge, D., Somogyi, P.·1985·Journal of Comparative Neurology
DOI 10.1002/cne.902410202
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Abstract

Light and electron microscopic quantitative analysis was carried out on a type of neuron intracellularly filled with horseradish peroxidase. Two cells were studied in area 17, one of which was injected intra-axonally, and its soma was not recovered. One cell was studied in area 18. The two somata were on the border of layers IVa/b; they were radially elongated and received synapses from numerous large boutons with round synaptic vesicles. The dendrites were smooth and remained largely in layer IV. The cells can be recognised on the basis of their axonal arbor, which was restricted to layer IV (90-95% of boutons) with minor projections to layers III, V, and VI. Many of the large, bulbous boutons contacted neuronal somata, short collaterals often forming "claw"-like configurations around cells. The name "clutch cell" is suggested to delineate this type of neuron from other aspiny multipolar cells. Computer-assisted reconstruction of the axon showed that in layer IV the axons occupied a rectangular area about 300 X 500 microns, elongated anteroposteriorly in area 17 and mediolaterally in area 18. The distributions of synaptic boutons and postsynaptic cells were patchy within this area. A total of 321 boutons were serially sectioned in area 17. The boutons formed type II synaptic contacts. The postsynaptic targets were somata (20-30%), dendritic shafts (35-50%), spines (30%), and rarely axon initial segments. Most of the postsynaptic somata tested were not immunoreactive for GABA and their fine structural features suggest that they are spiny stellate, star pyramidal, and pyramidal neurons. The characteristics of most of the postsynaptic dendrites and spines also suggest that they belong to these spiny neurons. A few of the postsynaptic dendrites and somata exhibited characteristics of cells with smooth dendrites and these somata were immunoreactive for GABA. It is suggested that clutch cells are inhibitory interneurons exerting their effect mainly on layer IV spiny neurons in an area localised perhaps to a single ocular dominance column. The specific laminar location of the axons of clutch cell also suggests that they may be associated with the afferent terminals of lateral geniculate nucleus cells, and could thus be responsible for generating some of the selective properties of neurons of the first stage of cortical processing.

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Research works printed but not linked: 6

  1. Dean A. F., 1980, Divisive inhibition involved in directional selectivity, J. Physiol. (Lond.), 308, 84
  2. Humphrey A. L., 1984, The laminar projections of X‐ and Y‐cell axons in layer IV of cat area 17 reflect the cells' locations within the depths of the A‐laminae of the LGN, Soc. Neurosci. Abstr., 10, 520
  3. Kisvárday Z. F., 1983, The physiology, morphology and synaptology of basket cells in the cat's visual cortex, J. Physiol. (Lond.), 334, 21
  4. Lund J. S., 1984, Cerebral Cortex, 255
  5. Peters A., 1984, Cerebral Cortex, 419
  6. Ramón y Cajal S., 1899, Estudios sobre la corteza cerebral humana. Corteza visual, Rev. Trim. Microgr., 4, 1

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Metadata

Authors
Kisvárday, Z. F., Martin, K. A. C., Whitteridge, D., & Somogyi, P.
Affiliations
  • Semmelweis University (HU)
  • University of Oxford (GB)
ORCID
Venue
Journal of Comparative Neurology
Publisher
Wiley
Published
1985-11-08
Volume
241
Issue
2
Pages
111-137
ISSN
  • 0021-9967 (ISSN-L)
  • 1096-9861
DOI
10.1002/cne.902410202
OpenAlex
W2009861136
Cited by
200
References
68
Citations by year
2024: 1 · 2023: 1 · 2022: 1 · 2021: 3 · 2020: 2 · 2018: 3 · 2017: 7 · 2016: 4 · 2015: 4 · 2014: 2 · 2013: 2 · 2012: 1
FWCI
2.62
Type
journal article
Language
en
Open access
Licence
Locations
  • The Journal of Comparative Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • University of Debrecen Electronic Archive (University of Debrecen) (submittedVersion, other-oa)
Funders
  • V Foundation for Cancer Research
  • National Health and Medical Research Council
  • National Medical Research Council
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
basket cells, visual cortex, cats, synaptic connectivity, inhibitory interneurons, layer 4, postsynaptic targets, spiny stellate neurons, GABA, ocular dominance columns, lateral geniculate nucleus, axon reconstruction, synaptic boutons, area 17, area 18
MeSH terms
Animals, Cats, Dendrites, gamma-Aminobutyric Acid, Geniculate Bodies, Interneurons, Microscopy, Electron, Neural Inhibition, Synapses, Visual Cortex

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