Cited by 110Transcranial Magnetic Stimulation StudiesElectroconvulsive Therapy StudiesNeurological disorders and treatments

Online effects of transcranial direct current stimulation in real time on human prefrontal and striatal metabolites

Open access
Hone-Blanchet, Antoine, Edden, Richard A., Fecteau, Shirley·2016·Biological Psychiatry

Abstract

Background Studies have reported that transcranial direct current stimulation (tDCS) can modulate human behaviors, symptoms, and neural activity; however, the neural effects during stimulation are unknown. Most studies compared the effects of tDCS before and after stimulation. The objective of our study was to measure the neurobiological effect of a single tDCS dose during stimulation.Methods We conducted an online and offline protocol combining tDCS and magnetic resonance spectroscopy (MRS) in 17 healthy participants. We applied anodal tDCS over the left dorsolateral prefrontal cortex (DLPFC) and cathodal tDCS over the right DLPFC for 30 minutes, one of the most common montages used with tDCS. We collected MRS measurements in the left DLPFC and left striatum during tDCS and an additional MRS measurement in the left DLPFC immediately after the end of stimulation.Results During stimulation, active tDCS, as compared with sham tDCS, elevated prefrontal N-acetylaspartate and striatal glutamate + glutamine but did not induce significant differences in prefrontal or striatal gamma-aminobutyric acid level. Immediately after stimulation, active tDCS, as compared with sham tDCS, did not significantly induce differences in glutamate + glutamine, N-acetylaspartate, or gamma-aminobutyric acid levels in the left DLPFC.Conclusions These observations indicate that tDCS over the DLPFC has fast excitatory effects, acting on prefrontal and striatal transmissions, and these effects are short lived. One may postulate that repeated sessions of tDCS might induce similar longer lasting effects of elevated prefrontal N-acetylaspartate and striatal glutamate + glutamine levels, which may contribute to its behavioral and clinical effects.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1016/j.biopsych.2015.11.008

Cites

43 of 43 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • tDCS can modulate both neurotransmission and network connectivity patterns in the subcortical and cortical components of CSTC loops when targeting the salience network via the dlPFC.

    “Taken together, these findings suggest that tDCS can indeed modulate both neurotransmission and network connectivity patterns in the subcortical as well as the cortical components of CSTC loops when targeting the SN (i.e., via the dlPFC).”
  • Active but not sham dlPFC-tDCS increases levels of glutamate and glutamine in the striatum and N-acetylaspartate in the dlPFC.

    “Finally, a recent study using magnetic resonance spectroscopy (MRS) has for the first time directly demonstrated that active but not sham dlPFC-tDCS (anodal left, cathodal right) increases levels of glutamate and glutamine in the striatum as well as N-acetylaspartate in the dlPFC itself (Hone-Blanchet et al., 2015).”

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Hone-Blanchet, A., Edden, R. A., & Fecteau, S.
Affiliations
  • Johns Hopkins University (US)
  • Beth Israel Deaconess Medical Center (US)
Corresponding author
Fecteau, Shirley
Venue
Biological Psychiatry
Publisher
Elsevier BV
Published
2016-09
Volume
80
Issue
6
Pages
432-438
ISSN
0006-3223 (ISSN-L)
OpenAlex
W2185428045
Cited by
110
References
43
Citations by year
2026: 4 · 2025: 6 · 2024: 4 · 2023: 12 · 2022: 6 · 2021: 21 · 2020: 16 · 2019: 11 · 2018: 18 · 2017: 5 · 2016: 7
FWCI
5.34
Type
journal article
Language
en
Open access
Locations
  • Biological Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Biomedical Imaging and Bioengineering (P41EB015909, R01EB016089)
Topics
  • Life Sciences › Neuroscience › Neurology › Transcranial Magnetic Stimulation Studies
  • Health Sciences › Medicine › Psychiatry and Mental health › Electroconvulsive Therapy Studies
  • Health Sciences › Medicine › Neurology › Neurological disorders and treatments
Keywords
transcranial direct current stimulation, dorsolateral prefrontal cortex, striatum, N-acetylaspartate, glutamate/glutamine, GABA, brain metabolites, excitatory effects
MeSH terms
Adult, Aspartic Acid, Corpus Striatum, Double-Blind Method, Female, gamma-Aminobutyric Acid, Glutamine, Humans, Male, Magnetic Resonance Spectroscopy, Prefrontal Cortex, Glutamic Acid, Young Adult, Healthy Volunteers, Transcranial Direct Current Stimulation

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review