Cited by 132Transcranial Magnetic Stimulation StudiesNeuroscience and Neuropharmacology ResearchUltrasound and Hyperthermia Applications

Impact of repetitive transcranial magnetic stimulation of the parietal cortex on metabolic brain activity: a 14C-2DG tracing study in the cat

Valero-Cabré, Antoni, Payne, Bertram R., Rushmore, Jarrett, Lomber, Stephen G., Pascual-Leone, Alvaro·2005·Experimental Brain Research

Abstract

Transcranial magnetic stimulation (TMS) is increasingly utilized in clinical neurology and neuroscience. However, detailed knowledge of the impact and specificity of the effects of TMS on brain activity remains unresolved. We have used 14C-labeled deoxyglucose (14C-2DG) mapping during repetitive TMS (rTMS) of the posterior and inferior parietal cortex in anesthetized cats to study, with exquisite spatial resolution, the local and distant effects of rTMS on brain activity. High-frequency rTMS decreases metabolic activity at the primary site of stimulation with respect to homologue areas in the unstimulated hemisphere. In addition, rTMS induces specific distant effects on cortical and subcortical regions known to receive substantial efferent projections from the stimulated cortex. The magnitude of this distal impact is correlated with the strength of the anatomical projections. Thus, in the anesthetized animal, the impact of rTMS is upon a distributed network of structures connected to the primary site of application.

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Crossref · 10.1007/s00221-004-2140-6

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Authors
Valero-Cabré, A., Payne, B. R., Rushmore, J., Lomber, S. G., & Pascual-Leone, A.
Affiliations
  • Boston University (US)
  • The University of Texas at Dallas (US)
Venue
Experimental Brain Research
Published
2005-02-02
Volume
163
Issue
1
Pages
1-12
ISSN
  • 0014-4819 (ISSN-L)
  • 1432-1106
OpenAlex
W2030182194
Cited by
132
References
65
Citations by year
2026: 5 · 2025: 8 · 2023: 1 · 2022: 6 · 2021: 5 · 2020: 6 · 2019: 2 · 2018: 6 · 2017: 4 · 2016: 4 · 2015: 5 · 2014: 11 · 2013: 8 · 2012: 12
FWCI
4.19
Type
journal article
Language
en
Open access
closed
Locations
  • Experimental Brain Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (1f31ns044624-01)
  • National Institute of Neurological Disorders and Stroke (NS44624, R01NS047754, NS47754, NS32137, R01NS032137)
  • National Center for Research Resources (K24RR018875)
Topics
  • Life Sciences › Neuroscience › Neurology › Transcranial Magnetic Stimulation Studies
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Physical Sciences › Engineering › Biomedical Engineering › Ultrasound and Hyperthermia Applications
Keywords
repetitive transcranial magnetic stimulation, parietal cortex, brain glucose metabolism, 14C-deoxyglucose, high-frequency stimulation, efferent projections, subcortical activation, cortical networks, cats
MeSH terms
Anesthesia, Animals, Brain Mapping, Carbon Radioisotopes, Cats, Deoxyglucose, Electric Stimulation, Electromyography, Energy Metabolism, Female, Parietal Lobe, Perceptual Disorders, Evoked Potentials, Motor, Transcranial Magnetic Stimulation

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