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Effects of low-field magnetic stimulation on brain glucose metabolism

Nora D. Volkow, Dardo Tomasi, Gene-Jack Wang, Joanna S. Fowler, Frank Telang, Ruiliang Wang, Dave Alexoff, Jean Logan, Christopher Wong, Kith Pradhan, Elisabeth C. Caparelli, Yeming Ma (+1 others)
2010 NeuroImage  
Here we assessed the effects of EPI on brain glucose metabolism (marker of brain function) using PET and 18F 2-fluoro-2deoxy-D-glucose ( 18 FDG).  ...  These time-varying magnetic fields induce electric (E) fields in the brain that could influence neuronal activity; but this has not been tested.  ...  to show an effect of static magnetic fields on brain glucose metabolism (4 T MR) (Volkow et al., 2000) or on cognitive function (7 T MR) (Kangarlu et al., 1999) .  ... 
doi:10.1016/j.neuroimage.2010.02.015 pmid:20156571 pmcid:PMC2862488 fatcat:oirmoe4ogvfu7omsrfmplejo7e

Nuclear magnetic resonance imaging and spectroscopy of human brain function

R. G. Shulman, A. M. Blamire, D. L. Rothman, G. McCarthy
1993 Proceedings of the National Academy of Sciences of the United States of America  
Pioneering work of Kety and Schmidt (1) stimulated research on the coupling between brain electrical activity, metabolism, and cerebral blood flow.  ...  MR spectroscopy of proton and carbon-13 nuclei has been used to measure rates of glucose transport and metabolism in the human brain.  ...  Pioneering work of Kety and Schmidt (1) stimulated research on the coupling between brain electrical activity, metabolism, and cerebral blood flow.  ... 
doi:10.1073/pnas.90.8.3127 pmid:8475050 pmcid:PMC46253 fatcat:77hageee2vftfkr5xnfdz5quoe

Repetitive low intensity magnetic field stimulation in a neuronal cell line: a metabolomics study

Ivan Hong, Andrew Garrett, Garth Maker, Ian Mullaney, Jennifer Rodger, Sarah J. Etherington
2018 PeerJ  
This study investigates the behavioural effects of low intensity repetitive magnetic stimulation (LI-rMS) at a cellular and biochemical level.  ...  Low intensity repetitive magnetic stimulation of neural tissue modulates neuronal excitability and has promising therapeutic potential in the treatment of neurological disorders.  ...  ACKNOWLEDGEMENTS The authors are grateful to Dr Alex Tang for advice and assistance with magnetic field measurements, to Dr Kartik Iyer for feedback on the manuscript, and to Mrs Marissa Penrose-Menz for  ... 
doi:10.7717/peerj.4501 pmid:29576970 pmcid:PMC5853602 fatcat:i46pxre7ebdpdl22e6cqvcs34m

BENEFICIAL EFFECTS OF MAGNETIC FIELDS ON THE HUMAN HEART A REVIEW OF CURRENT ADVANCES AND PROPOSED MECHANISMS

Abraham A. Embi Bs
2018 International journal of research - granthaalayah  
The main purpose of this manuscript is to introduce the reader to the present "state of the art" in experimental Low Level Magnetic Fields nerve stimulation approaches to improve chaotic cardiac arrhythmias  ...  The area addressed in this paper is the transcutaneous application of Low Level Magnetic Fields to a branch of the vagus nerve.  ...  Brain Cortex Glucose Metabolic Changes are associated with HPA Axis Response to Stressor This most interesting published data links Brain Cortex changes in glucose metabolism with HPA axis response to  ... 
doi:10.29121/granthaalayah.v6.i11.2018.1127 fatcat:4sc74shtgreljk7susx427a36i

BENEFICIAL EFFECTS OF MAGNETIC FIELDS ON THE HUMAN HEART A REVIEW OF CURRENT ADVANCES AND PROPOSED MECHANISMS

Abraham A. Embi Bs
2018 Zenodo  
The main purpose of this manuscript is to introduce the reader to the present "state of the art" in experimental Low Level Magnetic Fields nerve stimulation approaches to improve chaotic cardiac arrhythmias  ...  The area addressed in this paper is the transcutaneous application of Low Level Magnetic Fields to a branch of the vagus nerve.  ...  Brain Cortex Glucose Metabolic Changes are associated with HPA Axis Response to Stressor This most interesting published data links Brain Cortex changes in glucose metabolism with HPA response to external  ... 
doi:10.5281/zenodo.1930022 fatcat:zppqf6slhzevlakleswfumtn3a

Local and Global Changes in Brain Metabolism during Deep Brain Stimulation for Obsessive-Compulsive Disorder

Baldermann, Bohn, Hammes, Schüller, Visser-Vandewalle, Drzezga, Kuhn
2019 Brain Sciences  
Switching the stimulation ON resulted in differential changes in brain metabolism.  ...  Across distributed global networks, DBS appears to exert differential effects, possibly depending on localization of stimulation sites and response to the intervention.  ...  Thus, local increase in glucose metabolism through DBS occurs likely during both high-and low-frequency stimulation.  ... 
doi:10.3390/brainsci9090220 pmid:31480355 pmcid:PMC6770477 fatcat:prtzs2q5q5cm7evqugsezzldvq

Cortico-Cortical Modulation Induced by 1-Hz Repetitive Transcranial Magnetic Stimulation of the Temporal Cortex

Mina Lee, Song E Kim, Won Sup Kim, Jooman Han, Hee Jin Kim, Bom Sahn Kim, Ji Young Kim, Seung Bong Hong, Byung Gon Kim, Hyang Woon Lee
2013 Journal of Clinical Neurology  
Statistical parametric mapping of FDG-PET data revealed a focal reduction of glucose metabolism in the stimulated temporal area and an increase in the bilateral precentral, ipsilateral superior and middle  ...  One-Hz rTMS decreased motor evoked potential amplitudes and delayed cortical silent periods in the stimulated hemisphere.  ...  Acknowledgements We, the authors have no conflict of interests of any kind in the materials or services referred to in this article. Hyang  ... 
doi:10.3988/jcn.2013.9.2.75 pmid:23626644 pmcid:PMC3633194 fatcat:rxdwxvse2zexvi2vpspepduz3m

Remote control of glucose-sensing neurons to analyze glucose metabolism

Alexandra Alvarsson, Sarah A. Stanley
2018 American Journal of Physiology. Endocrinology and Metabolism  
Remote control of glucose-sensing neurons to analyze glucose metabolism.  ...  Am J Physiol Endocrinol Metab 315: The central nervous system relies on a continual supply of glucose, and must be able to detect glucose levels and regulate peripheral organ functions to ensure that its  ...  Additional studies have examined the effects of hypothalamic lesions and electrical stimulation on glucose metabolism.  ... 
doi:10.1152/ajpendo.00469.2017 pmid:29812985 fatcat:dh6tal6ijnggrhhbq2hp3zdfri

Effects of Cell Phone Radiofrequency Signal Exposure on Brain Glucose Metabolism

Nora D. Volkow
2011 Journal of the American Medical Association (JAMA)  
Context The dramatic increase in use of cellular telephones has generated concern about possible negative effects of radiofrequency signals delivered to the brain.  ...  However, whether acute cell phone exposure affects the human brain is unclear. Objective To evaluate if acute cell phone exposure affects brain glucose metabolism, a marker of brain activity.  ...  The sample-size calculation was based on our preliminary study of the effect of low-frequency magnetic field gradients in glucose metabolism, 19 which demonstrated metabolic differences between stimulation  ... 
doi:10.1001/jama.2011.186 pmid:21343580 pmcid:PMC3184892 fatcat:gitkgymx5fb2zc7hxyo6zcrxyu

Bidirectional electromagnetic control of the hypothalamus regulates feeding and metabolism

Sarah A. Stanley, Leah Kelly, Kaamashri N. Latcha, Sarah F. Schmidt, Xiaofei Yu, Alexander R. Nectow, Jeremy Sauer, Jonathan P. Dyke, Jonathan S. Dordick, Jeffrey M. Friedman
2016 Nature  
We are able to induce neuronal activation remotely using radio waves or magnetic fields via Cre-dependent expression of a GFP-tagged ferritin fusion protein tethered to the cation-conducting transient  ...  Acute activation of glucose-sensing neurons in this region increases plasma glucose and glucagon, lowers insulin levels and stimulates feeding, while inhibition reduces blood glucose, raises insulin levels  ...  For studies to examine the effects of increasing RF or magnet field strength, to assess the effects of short RF treatment (10 s) on calcium responses and to examine the kinetics of the calcium response  ... 
doi:10.1038/nature17183 pmid:27007848 pmcid:PMC4894494 fatcat:5zkgc3uzt5citgrkszdrk3q7qu

Localizedin vivo13C NMR spectroscopy of the brain

Rolf Gruetter, Gregor Adriany, In-Young Choi, Pierre-Gilles Henry, Hongxia Lei, Gülin Öz
2003 NMR in Biomedicine  
The difficulties in establishing 13 C NMR are the need for decoupling of the one-bond 13 C-1 H heteronuclear J coupling, the large chemical shift range, the low sensitivity and the need for localization  ...  Abbreviations for metabolic fluxes-CMR glc , cerebral metabolic rate of glucose; V PDH , neuronal Krebs cycle rate; V PC , pyruvate carboxylase flux; V x , exchange rate between cytosolic amino acids and  ...  We thank Dr Ivan Tkac for careful reading of the manuscript and for helpful suggestions.  ... 
doi:10.1002/nbm.841 pmid:14679498 pmcid:PMC1513184 fatcat:t4z5dwawljeurjqfczg5gtnvh4

Brain sugar consumption during neuronal activation detected by CEST functional MRI at ultra-high magnetic fields

Tangi Roussel, Lucio Frydman, Denis Le Bihan, Luisa Ciobanu
2019 Scientific Reports  
This paper explores an alternative metabolic imaging approach based on Chemical Exchange Saturation Transfer (CEST) to assess potential metabolic changes induced by neuronal stimulation in rat brains at  ...  Blood oxygenation level dependent (BOLD) functional magnetic resonance imaging (fMRI) indirectly measures brain activity based on neurovascular coupling, a reporter that limits both the spatial and temporal  ...  Despite our reliance on ultra-high magnetic fields, the functional contrast of our experiments remains low, and required a substantial group study to obtain statistically significant results.  ... 
doi:10.1038/s41598-019-40986-9 pmid:30872689 pmcid:PMC6418181 fatcat:6onyzdkpxnabdk4b3evklaqjq4

Decrease of glucose in the human visual cortex during photic stimulation

Klaus-Dietmar Merboldt, Harald Bruhn, Wolfgang Hanicke, Thomas Michaelis, Jens Frahm
1992 Magnetic Resonance in Medicine  
Local brain glucose levels were significantly reduced (-50%) during the entire period of photic stimulation and recovered to resting levels (-0.8 m M ) within 10 min after the end of stimulation.  ...  Localized proton NMR spectroscopy was used to study cerebral metabolism in the visual cortex of healthy adults during rest and photic stimulation.  ...  ACKNOWLEDGMENTS Financial support by the Bundesminister Wr Forschung und Technologie of the Federal Republic of Germany (Grant 01 VF 8606/6) is gratefully acknowledged.  ... 
doi:10.1002/mrm.1910250119 pmid:1593951 fatcat:22a7zxrebngbbf2eld4fudcqfe

The Impact of Accelerated HF-rTMS on Canine Brain Metabolism: An [18F]-FDG PET Study in Healthy Beagles

Yangfeng Xu, Kathelijne Peremans, Jan Courtyn, Kurt Audenaert, Andre Dobbeleir, Yves D'Asseler, Eric Achten, Jimmy Saunders, Chris Baeken
2022 Frontiers in Veterinary Science  
arTMS study aimed to evaluate the immediate and delayed effects of accelerated high frequency rTMS (aHF-rTMS) on glucose metabolism in healthy beagle dogs when applied over the left frontal cortex.MethodsTwenty-four  ...  Accelerated (a)rTMS protocols may have the potential to result in faster clinical improvements, but the effects of such accelerated paradigms on brain function remain to be elucidated.ObjectivesThis sham-controlled  ...  ACKNOWLEDGMENTS We would like to thank the Department of Medical Imaging and Small Animal Orthopedics of the Ghent University to provide access to their database and facilities, and the Departments of  ... 
doi:10.3389/fvets.2022.800158 pmid:35280129 pmcid:PMC8907524 fatcat:p3pcoqlbf5ez7grfwndoygajfm

Imaging and spectroscopic approaches to probe brain energy metabolism dysregulation in neurodegenerative diseases

Gilles Bonvento, Julien Valette, Julien Flament, Fanny Mochel, Emmanuel Brouillet
2017 Journal of Cerebral Blood Flow and Metabolism  
Recent data point towards the existence of a tri-cellular compartmentation of brain energy metabolism between neurons, astrocytes, and oligodendrocytes, each cell type having a distinctive metabolic profile  ...  Furthermore, energy defects have often been discussed solely in the context of their probable neuronal origin without considering the cellular heterogeneity of the brain.  ...  fruitful discussion on creatine metabolism.  ... 
doi:10.1177/0271678x17697989 pmid:28276944 pmcid:PMC5464722 fatcat:cjioqpwqf5brzo5r5yyzvpbqlu
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