Evidence map›Paper›PMID 37750607›Full record

ArticleHuman brain mapping2023

Are we really targeting and stimulating DLPFC by placing transcranial electrical stimulation (tES) electrodes over F3/F4?

Ghazaleh Soleimani, Rayus Kuplicki, Jazmin Camchong, Alexander Opitz, Martin P Paulus, Kelvin O Lim, Hamed Ekhtiari

Abstract read
In one paragraph

Article in Human brain mapping, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 2 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.

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, 2 syntheses or guidelines pooled it.

  1. Pooled it
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  6. Review
  7. Four dimensions of individualization in brain stimulation for psychiatric disorders: context, target, dose, and timing.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2025
    Review
  8. 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

7 authors.

Ghazaleh SoleimaniDepartment of Psychiatry and Behavioral Sciences, University of Minnesota, Minneapolis, Minnesota, USA.ORCID 0000-0002-5513-4458
Rayus KuplickiLaureate Institute for Brain Research (LIBR), Tulsa, Oklahoma, USA.
Jazmin CamchongDepartment of Psychiatry and Behavioral Sciences, University of Minnesota, Minneapolis, Minnesota, USA.
Alexander OpitzDepartment of Biomedical Engineering, University of Minnesota, Minneapolis, Minnesota, USA.
Martin P PaulusLaureate Institute for Brain Research (LIBR), Tulsa, Oklahoma, USA.
Kelvin O LimDepartment of Psychiatry and Behavioral Sciences, University of Minnesota, Minneapolis, Minnesota, USA.ORCID 0000-0002-2390-7268
Hamed EkhtiariDepartment of Psychiatry and Behavioral Sciences, University of Minnesota, Minneapolis, Minnesota, USA.ORCID 0000-0001-6902-8798

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In many clinical trials involving transcranial electrical stimulation (tES), target electrodes are typically placed over DLPFC with the assumption that this will primarily stimulate the underlying brain region. However, our study aimed to evaluate the electric fields (EF) that are actually delivered and identify prefrontal regions that may be inadvertently targeted in DLPFC tES. Head models were generated from the Human Connectome Project database's T1 + T2-weighted MRIs of 80 healthy adults. Two common DLPFC montages were simulated; symmetric-F4/F3, and asymmetric-F4/Fp1. Averaged EF was extracted from (1) the center of the target electrode (F4), and (2) the top 1% of voxels showing the strongest EF in individualized EF maps. Interindividual variabilities were quantified with the standard deviation of EF peak location/value. Similar steps were repeated with 66 participants with methamphetamine use disorder (MUDs) as an independent clinical population. In healthy adults, the group-level location of EF peaks was situated in the medial-frontopolar, and the individualized EF peaks were positioned in a cube with a volume of 29 cm

Indexed as

Dorsolateral Prefrontal CortexTranscranial Direct Current StimulationAdultBrainElectrodesHumansPrefrontal Cortexbipolar montagecomputational head modelsdorsolateral prefrontal cortexelectric fieldfrontopolar cortextranscranial direct current stimulationtranscranial electrical stimulation

Identifiers

PMID37750607
PMCPMC10619406

What OpenQuestion holds

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LicenceCC BY-NC-ND
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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.