Evidence map›Paper›PMID 26209846›Full record

ArticleCerebral cortex (New York, N.Y. : 1991)2016

Regulation of Cortical Dynamic Range by Background Synaptic Noise and Feedforward Inhibition.

Ayah Khubieh, Stéphanie Ratté, Milad Lankarany, Steven A Prescott

Abstract read
In one paragraph

Article in Cerebral cortex (New York, N.Y. : 1991), 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

15 citing papers in PubMed.

  1. Trial
  2. Article
  3. Review
  4. Physiological noise facilitates multiplexed coding of vibrotactile-like signals in somatosensory cortex.Proceedings of the National Academy of Sciences of the United States of America · 2022
    Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Mechanisms underlying gain modulation in the cortex.Nature reviews. Neuroscience · 2020
    Review
  12. Article
  13. Spontaneous activity in the piriform cortex extends the dynamic range of cortical odor coding.Proceedings of the National Academy of Sciences of the United States of America · 2017
    Article
  14. Control of Absence Seizures by the Thalamic Feed-Forward Inhibition.Frontiers in computational neuroscience · 2017
    Article
  15. Snapshots of the Brain in Action: Local Circuit Operations through the Lens of γ Oscillations.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2016
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Ayah KhubiehNeurosciences and Mental Health, The Hospital for Sick Children, Toronto, ON, Canada M5G 0A4 School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
Stéphanie RattéNeurosciences and Mental Health, The Hospital for Sick Children, Toronto, ON, Canada M5G 0A4 Department of Physiology and the Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Canada.
Milad LankaranyNeurosciences and Mental Health, The Hospital for Sick Children, Toronto, ON, Canada M5G 0A4 Department of Physiology and the Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Canada.
Steven A PrescottNeurosciences and Mental Health, The Hospital for Sick Children, Toronto, ON, Canada M5G 0A4 Department of Physiology and the Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Canada.

Funding

Biophysical mechanisms regulating synchrony transfer in somatosensory cortexR01NS076706 · NINDS · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI PRESCOTT, STEVEN A. · 2011 to 2014
$785k
CIHRNINDS NIH HHS R01 NS076706
6 · The paper itself

Abstract

The cortex encodes a broad range of inputs. This breadth of operation requires sensitivity to weak inputs yet non-saturating responses to strong inputs. If individual pyramidal neurons were to have a narrow dynamic range, as previously claimed, then staggered all-or-none recruitment of those neurons would be necessary for the population to achieve a broad dynamic range. Contrary to this explanation, we show here through dynamic clamp experiments in vitro and computer simulations that pyramidal neurons have a broad dynamic range under the noisy conditions that exist in the intact brain due to background synaptic input. Feedforward inhibition capitalizes on those noise effects to control neuronal gain and thereby regulates the population dynamic range. Importantly, noise allows neurons to be recruited gradually and occludes the staggered recruitment previously attributed to heterogeneous excitation. Feedforward inhibition protects spike timing against the disruptive effects of noise, meaning noise can enable the gain control required for rate coding without compromising the precise spike timing required for temporal coding.

Indexed as

AnimalsCerebral CortexComputer SimulationMaleModels, NeurologicalNeural InhibitionPatch-Clamp TechniquesPyramidal CellsRats, Sprague-DawleySynapsesSynaptic TransmissionTime FactorsTissue Culture Techniquesdynamic rangefeedforward inhibitiongain controlnoisepyramidal neuron

Identifiers

PMID26209846
PMCPMC4961015

What OpenQuestion holds

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Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.