Cited by 323Neural dynamics and brain functionIon channel regulation and functionNeuroscience and Neuropharmacology Research

Activity-dependent regulation of conductances in model neurons

LeMasson, Gwendal, Marder, Eve, Abbott, L. F.·1993·Science

Abstract

Neurons maintain their electrical activity patterns despite channel turnover, cell growth, and variable extracellular conditions. A model is presented in which maximal conductances of ionic currents depend on the intracellular concentration of calcium ions and so, indirectly, on activity. Model neurons with activity-dependent maximal conductances modify their conductances to maintain a given behavior when perturbed. Moreover, neurons that are described by identical sets of equations can develop different properties in response to different patterns of presynaptic activity.

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Crossref · 10.1126/science.8456317

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20 of 20 references verified0 citation errors · 0 not checkable

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  • The framework starts from a hypothetical scheme for autoregulation of neuronal firing proposed by Abbott, Golowasch, Marder, and Turrigiano.

    “The starting point is a hypothetical scheme for the autoregulation of neuronal firing, proposed by Abbott, Golowasch, Marder, and Turrigiano at Brandeis in a prescient series of papers two decades ago (LeMasson et al., 1993; Marder et al., 1996; Siegel et al., 1994) (Fig. 1).”

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Authors
LeMasson, G., Marder, E., & Abbott, L. F.
Affiliations
  • Center for Complex Systems, Brandeis University, Waltham, MA 02254.
  • Brandeis University (US)
Venue
Science
Published
1993-03-26
Volume
259
Issue
5103
Pages
1915-1917
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2016770416
Cited by
323
References
20
Citations by year
2026: 4 · 2025: 13 · 2024: 4 · 2023: 8 · 2022: 10 · 2021: 10 · 2020: 9 · 2019: 9 · 2018: 10 · 2017: 10 · 2016: 7 · 2015: 13 · 2014: 11 · 2013: 7 · 2012: 11
FWCI
4.87
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Mental Health (MH 46742)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion channel regulation and function
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
activity-dependent regulation, ionic conductance, calcium ions, maximal conductance, model neurons, neuronal excitability, presynaptic activity
MeSH terms
Animals, Calcium, Electric Conductivity, Electric Stimulation, Feedback, Models, Biological, Neurons, Potassium, Sodium, Second Messenger Systems

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