Evidence map›Paper›PMID 34827415›Full record

ArticleBrain sciences2021

fMRI Acoustic Noise Enhances Parasympathetic Activity in Humans.

Anna-Lisa Schuler, Giovanni Pellegrino

Abstract read
In one paragraph

Article in Brain sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Article
  2. 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

2 authors.

Anna-Lisa SchulerIstituto di Ricovero e Cura a Carattere Scientifico San Camillo Hospital, Via Alberoni 70, 30126 Venice, Italy.ORCID 0000-0003-0959-280X
Giovanni PellegrinoIstituto di Ricovero e Cura a Carattere Scientifico San Camillo Hospital, Via Alberoni 70, 30126 Venice, Italy.

Funding

Frederick Andermann Epilepsy and EEG fellowship NAItalian Ministry of Health NA
6 · The paper itself

Abstract

backgroundFunctional magnetic resonance imaging (fMRI) is one of the most important neuroimaging techniques; nevertheless, the acoustic noise of the MR scanner is unavoidably linked to the process of data acquisition. We hypothesized that the auditory noise of the scanner has an effect on autonomic activity.

methodsWe measured heart rate variability (HRV) while exposing 30 healthy subjects to fMRI noise. In doing so, we demonstrated an increase in parasympathetic nervous system (PNS) activity compared to silence and white noise and a decrease in sympathetic nervous system (SNS) activity compared to white noise.

conclusionsThe influence of MR scanner noise on the autonomic nervous system should be taken into account when performing fMRI experiments.

Indexed as

auditory processingfMRIHRV

Identifiers

PMID34827415
PMCPMC8615429

What OpenQuestion holds

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Registered trials

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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.