Cited by 183Transcranial Magnetic Stimulation StudiesNeural and Behavioral Psychology StudiesNeurological disorders and treatments

Prefrontal transcranial direct current stimulation alters activation and connectivity in cortical and subcortical reward systems: a tDCS-fMRI study

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Weber, Matthew J., Messing, Samuel B., Rao, Hengyi, Detre, John A., Thompson‐Schill, Sharon L.·2014·Human Brain Mapping

Abstract

Transcranial direct current stimulation (tDCS) is a noninvasive brain stimulation technique used both experimentally and therapeutically to modulate regional brain function. However, few studies have directly measured the aftereffects of tDCS on brain activity or examined changes in task‐related brain activity consequent to prefrontal tDCS. To investigate the neural effects of tDCS, we collected fMRI data from 22 human subjects, both at rest and while performing the Balloon Analog Risk Task (BART), before and after true or sham transcranial direct current stimulation. TDCS decreased resting blood perfusion in orbitofrontal cortex and the right caudate and increased task‐related activity in the right dorsolateral prefrontal cortex (DLPFC) and anterior cingulate cortex (ACC) in response to losses but not wins or increasing risk. Network analysis showed that whole‐brain connectivity of the right ACC correlated positively with the number of pumps subjects were willing to make on the BART, and that tDCS reduced connectivity between the right ACC and the rest of the brain. Whole‐brain connectivity of the right DLPFC also correlated negatively with pumps on the BART, as prior literature would suggest. Our results suggest that tDCS can alter activation and connectivity in regions distal to the electrodes. Hum Brain Mapp 35:3673–3686, 2014 . © 2014 Wiley Periodicals, Inc .

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  • Anodal right and cathodal left dlPFC-tDCS cause decreases in resting perfusion of the head of the caudate nucleus and the medial and lateral orbitofrontal cortex.

    “Second, a study using the MRI-based perfusion technique of arterial spin labeling (ASL) demonstrated that anodal right and cathodal left dlPFC-tDCS caused decreases in resting perfusion of the head of the caudate nucleus as well as the medial and lateral orbitofrontal cortex (Weber et al., 2014).”

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Authors
Weber, M. J., Messing, S. B., Rao, H., Detre, J. A., & Thompson‐Schill, S. L.
Affiliations
University of Pennsylvania (US)
Corresponding author
Weber, Matthew J.
Venue
Human Brain Mapping
Publisher
Wiley
Published
2014-01-22
Volume
35
Issue
8
Pages
3673-3686
ISSN
  • 1065-9471 (ISSN-L)
  • 1097-0193
OpenAlex
W1785811568
Cited by
183
References
87
Citations by year
2026: 9 · 2025: 11 · 2024: 12 · 2023: 16 · 2022: 17 · 2021: 11 · 2020: 15 · 2019: 17 · 2018: 24 · 2017: 19 · 2016: 18 · 2015: 8 · 2014: 5
FWCI
8.68
Type
journal article
Language
en
Open access
Locations
  • Human Brain Mapping (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • NIH (R01DC009209, K24NS058386, R01 HL102119, R21 DA032022, R03 DA027098)
  • University of Pennsylvania Center for Functional Neuroimaging
Topics
  • Life Sciences › Neuroscience › Neurology › Transcranial Magnetic Stimulation Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Health Sciences › Medicine › Neurology › Neurological disorders and treatments
Keywords
transcranial direct current stimulation, prefrontal cortex, reward processing, dorsolateral prefrontal cortex, anterior cingulate cortex, orbitofrontal cortex, caudate nucleus, brain connectivity, Balloon Analogue Risk Task, risk-taking, sham stimulation
MeSH terms
Adult, Brain, Brain Mapping, Cerebrovascular Circulation, Female, Humans, Magnetic Resonance Imaging, Male, Neural Pathways, Neuropsychological Tests, Oxygen, Rest, Reward, Prefrontal Cortex, Young Adult, Transcranial Direct Current Stimulation

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