Evidence map›Paper›PMID 22566618›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2012

Mechanisms contributing to central excitability changes during hearing loss.

Nadia Pilati, Matias J Ison, Matthew Barker, Mike Mulheran, Charles H Large, Ian D Forsythe, John Matthias, Martine Hamann

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed, 1 pooled it
2.8field-weighted citation impact, top 10% 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

40 citing papers in PubMed, 1 synthesis or guideline pooled it, 59 citations in OpenAlex.

  1. Pooled it
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  14. The rat animal model for noise-induced hearing loss.The Journal of the Acoustical Society of America · 2019
    Review
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  19. An Oral Combination of Vitamins A, C, E, and MgFrontiers in neuroscience · 2018
    Article
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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

8 authors at 2 institutions in 1 country.

Nadia PilatiDepartment of Cell Physiology and Pharmacology, University of Leicester, Leicester LE19HN, United Kingdom.
Matias J Ison
Matthew Barker
Mike Mulheran
Charles H Large
Ian D Forsythe
John Matthias
Martine Hamann
University of Leicester · GBUniversity of Plymouth · GB

Funding

Medical Research Council MR/K005170/1Wellcome Trust
6 · The paper itself

Abstract

Exposure to loud sound causes cochlear damage resulting in hearing loss and tinnitus. Tinnitus has been related to hyperactivity in the central auditory pathway occurring weeks after loud sound exposure. However, central excitability changes concomitant to hearing loss and preceding those periods of hyperactivity, remain poorly explored. Here we investigate mechanisms contributing to excitability changes in the dorsal cochlear nucleus (DCN) shortly after exposure to loud sound that produces hearing loss. We show that acoustic overexposure alters synaptic transmission originating from the auditory and the multisensory pathway within the DCN in different ways. A reduction in the number of myelinated auditory nerve fibers leads to a reduced maximal firing rate of DCN principal cells, which cannot be restored by increasing auditory nerve fiber recruitment. In contrast, a decreased membrane resistance of DCN granule cells (multisensory inputs) leads to a reduced maximal firing rate of DCN principal cells that is overcome when additional multisensory fibers are recruited. Furthermore, gain modulation by inhibitory synaptic transmission is disabled in both auditory and multisensory pathways. These cellular mechanisms that contribute to decreased cellular excitability in the central auditory pathway are likely to represent early neurobiological markers of hearing loss and may suggest interventions to delay or stop the development of hyperactivity that has been associated with tinnitus.

Indexed as

AnimalsAuditory PathwaysAuditory ThresholdCochleaCochlear NerveCochlear NucleusExcitatory Postsynaptic PotentialsHearing Loss, Noise-InducedHumansInhibitory Postsynaptic PotentialsNerve Fibers, MyelinatedNeural InhibitionPatch-Clamp TechniquesRatsRats, WistarTinnitus

Identifiers

PMID22566618
PMCPMC3361412
OpenAlexW2012936109

What OpenQuestion holds

Textmetadata
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.