Evidence map›Paper›PMID 34326720›Full record

ReviewFrontiers in neuroscience2021

A Review of Parameter Settings for Invasive and Non-invasive Vagus Nerve Stimulation (VNS) Applied in Neurological and Psychiatric Disorders.

Sean L Thompson, Georgia H O'Leary, Christopher W Austelle, Elise Gruber, Alex T Kahn, Andrew J Manett, Baron Short, Bashar W Badran

Registry-linked trialAbstract readReview
In one paragraph

Review in Frontiers in neuroscience, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07445945 (Physiological Effect of Non-invasive Photobiomodulation on Cognition and Mood in Older Adults With Subjective Cognitive Impairment), which is not on this map. Cited by 90 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
90citing papers in PubMed, 3 pooled it
–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.

NCT07445945 nanot yet recruitingnot on this mapstarted 2026, after this paper: background citation

Physiological Effect of Non-invasive Photobiomodulation on Cognition and Mood in Older Adults With Subjective Cognitive Impairment

TypeinterventionalSponsorBaycrestRan2026 to 2028Enrolled80ConditionsSubjective Cognitive Decline (SCD), Subjective Cognitive ImpairmentArmsPhotobiomodulation, Sham (No Treatment)
3 · Its place in the literature

Who cites it

90 citing papers in PubMed, 3 syntheses or guidelines pooled it.

  1. Pooled it
  2. Vagus Nerve Stimulation in Movement Disorders, from Principles to a Systematic Review of Evidence.Movement disorders : official journal of the Movement Disorder Society · 2025
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30 more citing papers are in PubMed but not listed here.

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.

Sean L ThompsonDepartment of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, United States.
Georgia H O'LearyDepartment of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, United States.
Christopher W AustelleDepartment of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, United States.
Elise GruberDepartment of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, United States.
Alex T KahnDepartment of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, United States.
Andrew J ManettDepartment of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, United States.
Baron ShortDepartment of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, United States.
Bashar W BadranDepartment of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, United States.

Funding

Treating Depression and Enhancing Locomotor Recovery Post-strokeP20GM109040 · NIGMS · MEDICAL UNIVERSITY OF SOUTH CAROLINA · PI KAUTZ, STEVEN A. · 2014 to 2024
$23.5M
Techniques DevelopmentP2CHD086844 · NICHD · MEDICAL UNIVERSITY OF SOUTH CAROLINA · PI GEORGE, MARK S · 2015 to 2024
$12.7M
NICHD NIH HHS P2C HD086844NIGMS NIH HHS P20 GM109040
6 · The paper itself

Abstract

Vagus nerve stimulation (VNS) is an established form of neuromodulation with a long history of promising applications. Earliest reports of VNS in the literature date to the late 1800's in experiments conducted by Dr. James Corning. Over the past century, both invasive and non-invasive VNS have demonstrated promise in treating a variety of disorders, including epilepsy, depression, and post-stroke motor rehabilitation. As VNS continues to rapidly grow in popularity and application, the field generally lacks a consensus on optimum stimulation parameters. Stimulation parameters have a significant impact on the efficacy of neuromodulation, and here we will describe the longitudinal evolution of VNS parameters in the following categorical progression: (1) animal models, (2) epilepsy, (3) treatment resistant depression, (4) neuroplasticity and rehabilitation, and (5) transcutaneous auricular VNS (taVNS). We additionally offer a historical perspective of the various applications and summarize the range and most commonly used parameters in over 130 implanted and non-invasive VNS studies over five applications.

Indexed as

depressionepilepsyneuroplasticityparameter optimizationrehabilitationtaVNStVNSVNS

Identifiers

PMID34326720
PMCPMC8313807

What OpenQuestion holds

Textmetadata
LicenceCC BY
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Registered trials

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.