Cited by 112Neuroscience and Neuropharmacology ResearchNeural dynamics and brain functionNeurobiology and Insect Physiology Research

Evidence for a Computational Distinction Between Proximal and Distal Neuronal Inhibition

Vu, Eric T., Krasne, Franklin B.·1992·Science

Abstract

Most neurons have inhibitory synapses both "proximally" near the spike-initiating zone and "distally" on dendrites. Although distal inhibition is thought to be an adaptation for selective inhibition of particular dendritic branches, another important distinction exists between proximal and distal inhibition. Proximal inhibition can attenuate excitatory input absolutely so that no amount of excitation causes firing. Distal inhibition, however, inhibits relatively; any amount of it can be overcome by sufficient excitation. These properties are used as predicted in the circuit-mediating crayfish escape behavior. Many neuronal computations require relative inhibition. This could partly account for the ubiquity of distal inhibition.

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Crossref · 10.1126/science.1553559

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15 of 15 references verified0 citation errors · 0 not checkable

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  • In passive dendrites, shunting inhibition is more effective at counteracting excitation when placed on the path to the soma than when placed off that path.

    “In passive dendrites, shunting will largely act locally and will be most effective at counteracting propagation of excitation if placed on its path to the soma (proximal inhibition) than if localized off the path (distal inhibition) (Koch et al., 1983; Vu and Krasne, 1992).”

    From GABAergic Interneurons in the Neocortex: From Cellular Properties to Circuits (2016) · cites this paper as Vu and Krasne, 1992

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Authors
Vu, E. T., & Krasne, F. B.
Affiliations
University of California, Los Angeles (US)
Venue
Science
Published
1992-03-27
Volume
255
Issue
5052
Pages
1710-1712
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W1999190965
Cited by
112
References
15
Citations by year
2026: 1 · 2025: 1 · 2024: 2 · 2023: 2 · 2022: 4 · 2021: 1 · 2020: 2 · 2019: 1 · 2018: 3 · 2017: 5 · 2016: 5 · 2015: 5 · 2014: 2 · 2013: 5 · 2012: 5
FWCI
2.58
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • CaltechAUTHORS (California Institute of Technology) (submittedVersion)
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 › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
Keywords
inhibitory synapses, dendritic inhibition, neural computation, dendritic branches
MeSH terms
Animals, Astacoidea, Escape Reaction, Nervous System Physiological Phenomena, Neural Inhibition

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