Evidence map›Paper›PMID 25352777›Full record

ArticleFrontiers in cellular neuroscience2014

Model cerebellar granule cells can faithfully transmit modulated firing rate signals.

Christian Rössert, Sergio Solinas, Egidio D'Angelo, Paul Dean, John Porrill

Open access · goldAbstract read
In one paragraph

Article in Frontiers in cellular neuroscience, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
1.2field-weighted citation impact, top 20% of its field
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

13 citing papers in PubMed, 19 citations in OpenAlex.

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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

5 authors at 2 institutions in 2 countries.

Christian RössertDepartment of Psychology, University of Sheffield Sheffield, UK.
Sergio SolinasBrain Connectivity Center, Istituto Neurologico Istituto di Ricovero e Cura a Carattere Scientifico C. Mondino Pavia, Italy.
Egidio D'AngeloBrain Connectivity Center, Istituto Neurologico Istituto di Ricovero e Cura a Carattere Scientifico C. Mondino Pavia, Italy ; Laboratory of Neurophysiology, Department of Brain and Behavioural Sciences, University of Pavia Pavia, Italy.
Paul DeanDepartment of Psychology, University of Sheffield Sheffield, UK.
John PorrillDepartment of Psychology, University of Sheffield Sheffield, UK.
University of Sheffield · GBFondazione Istituto Neurologico Nazionale Casimiro Mondino · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A crucial assumption of many high-level system models of the cerebellum is that information in the granular layer is encoded in a linear manner. However, granule cells are known for their non-linear and resonant synaptic and intrinsic properties that could potentially impede linear signal transmission. In this modeling study we analyse how electrophysiological granule cell properties and spike sampling influence information coded by firing rate modulation, assuming no signal-related, i.e., uncorrelated inhibitory feedback (open-loop mode). A detailed one-compartment granule cell model was excited in simulation by either direct current or mossy-fiber synaptic inputs. Vestibular signals were represented as tonic inputs to the flocculus modulated at frequencies up to 20 Hz (approximate upper frequency limit of vestibular-ocular reflex, VOR). Model outputs were assessed using estimates of both the transfer function, and the fidelity of input-signal reconstruction measured as variance-accounted-for. The detailed granule cell model with realistic mossy-fiber synaptic inputs could transmit information faithfully and linearly in the frequency range of the vestibular-ocular reflex. This was achieved most simply if the model neurons had a firing rate at least twice the highest required frequency of modulation, but lower rates were also adequate provided a population of neurons was utilized, especially in combination with push-pull coding. The exact number of neurons required for faithful transmission depended on the precise values of firing rate and noise. The model neurons were also able to combine excitatory and inhibitory signals linearly, and could be replaced by a simpler (modified) integrate-and-fire neuron in the case of high tonic firing rates. These findings suggest that granule cells can in principle code modulated firing-rate inputs in a linear manner, and are thus consistent with the high-level adaptive-filter model of the cerebellar microcircuit.

Indexed as

modulationmossy fibersignal reconstructiontransfer functionvariance-accounted-forWiener filter

Identifiers

PMID25352777
PMCPMC4195316
OpenAlexW2159100142

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.