Alex W Thomas

Summary

Affiliation: Lawson Health Research Institute
Country: Canada

Publications

  1. pmc A randomized, double-blind, placebo-controlled clinical trial using a low-frequency magnetic field in the treatment of musculoskeletal chronic pain
    Alex W Thomas
    Bioelectromagnetics, Imaging Program, Lawson Health Research Institute, Department of Medical Biophysics, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Canada
    Pain Res Manag 12:249-58. 2007
  2. doi request reprint The response of the human circulatory system to an acute 200-μT, 60-Hz magnetic field exposure
    David A McNamee
    Bioelectromagnetics, Imaging Program, Lawson Health Research Institute, 268 Grosvenor Street, London, Ontario, N6A 4V2, Canada
    Int Arch Occup Environ Health 84:267-77. 2011
  3. doi request reprint The detection threshold for extremely low frequency magnetic fields may be below 1000 nT-Hz in mice
    Frank S Prato
    Bioelectromagnetics Group, Imaging Program, Lawson Health Research Institute, London, Ontario, Canada
    Bioelectromagnetics 32:561-9. 2011
  4. ncbi request reprint Human exposure to a specific pulsed magnetic field: effects on thermal sensory and pain thresholds
    Naomi M Shupak
    Department of Nuclear Medicine, St Joseph s Health Care, London, Ontario, Canada
    Neurosci Lett 363:157-62. 2004
  5. pmc Light alters nociceptive effects of magnetic field shielding in mice: intensity and wavelength considerations
    Frank S Prato
    Bioelectromagnetics Group, Imaging Program, Lawson Health Research Institute, London, ON, Canada N6A 4V2
    J R Soc Interface 6:17-28. 2009
  6. doi request reprint Evidence for a dose-dependent effect of pulsed magnetic fields on pain processing
    John A Robertson
    Imaging Program, Lawson Health Research Institute, London, ON, Canada
    Neurosci Lett 482:160-2. 2010
  7. pmc Magnetoreception in laboratory mice: sensitivity to extremely low-frequency fields exceeds 33 nT at 30 Hz
    Frank S Prato
    Bioelectromagnetics Group, Imaging Program, Lawson Health Research Institute, London, Ontario, Canada, N6A 4V2
    J R Soc Interface 10:20121046. 2013
  8. doi request reprint Human cognitive performance in a 3 mT power-line frequency magnetic field
    Michael Corbacio
    Bioelectromagnetics Group, Imaging Program, Lawson Health Research Institute, St Joseph s Health Care, London, Ontario, Canada
    Bioelectromagnetics 32:620-33. 2011
  9. doi request reprint The cardiovascular response to an acute 1800-microT, 60-Hz magnetic field exposure in humans
    David A McNamee
    Bioelectromagnetics, Imaging Program, Lawson Health Research Institute, 268 Grosvenor Street, N6A 4V2, London, ON, Canada
    Int Arch Occup Environ Health 83:441-54. 2010
  10. doi request reprint Extremely low frequency pulsed electromagnetic field designed for antinociception does not affect microvascular responsiveness to the vasodilator acetylcholine
    Julia C McKay
    Bioelectromagnetics, Imaging Program, Lawson Health Research Institute, London, Ontario, Canada
    Bioelectromagnetics 31:64-76. 2010

Collaborators

Detail Information

Publications26

  1. pmc A randomized, double-blind, placebo-controlled clinical trial using a low-frequency magnetic field in the treatment of musculoskeletal chronic pain
    Alex W Thomas
    Bioelectromagnetics, Imaging Program, Lawson Health Research Institute, Department of Medical Biophysics, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Canada
    Pain Res Manag 12:249-58. 2007
    ..Clearly, however, a larger randomized, double-blind clinical trial with just FM patients is warranted...
  2. doi request reprint The response of the human circulatory system to an acute 200-μT, 60-Hz magnetic field exposure
    David A McNamee
    Bioelectromagnetics, Imaging Program, Lawson Health Research Institute, 268 Grosvenor Street, London, Ontario, N6A 4V2, Canada
    Int Arch Occup Environ Health 84:267-77. 2011
    ..Microcirculation (as skin blood perfusion) and HR were measured using laser Doppler flowmetry. Mean arterial pressure was monitored with a non-invasive blood pressure system...
  3. doi request reprint The detection threshold for extremely low frequency magnetic fields may be below 1000 nT-Hz in mice
    Frank S Prato
    Bioelectromagnetics Group, Imaging Program, Lawson Health Research Institute, London, Ontario, Canada
    Bioelectromagnetics 32:561-9. 2011
    ..A plot of effect versus the induced current metric nT-Hz suggests a threshold of ELF-MF detection in mice at or below 1000 nT-Hz...
  4. ncbi request reprint Human exposure to a specific pulsed magnetic field: effects on thermal sensory and pain thresholds
    Naomi M Shupak
    Department of Nuclear Medicine, St Joseph s Health Care, London, Ontario, Canada
    Neurosci Lett 363:157-62. 2004
    ..The potential involvement of the placebo effect is discussed...
  5. pmc Light alters nociceptive effects of magnetic field shielding in mice: intensity and wavelength considerations
    Frank S Prato
    Bioelectromagnetics Group, Imaging Program, Lawson Health Research Institute, London, ON, Canada N6A 4V2
    J R Soc Interface 6:17-28. 2009
    ..Could the detection mechanism that senses ambient magnetic fields in mice be similar to that in bird navigation?..
  6. doi request reprint Evidence for a dose-dependent effect of pulsed magnetic fields on pain processing
    John A Robertson
    Imaging Program, Lawson Health Research Institute, London, ON, Canada
    Neurosci Lett 482:160-2. 2010
    ....
  7. pmc Magnetoreception in laboratory mice: sensitivity to extremely low-frequency fields exceeds 33 nT at 30 Hz
    Frank S Prato
    Bioelectromagnetics Group, Imaging Program, Lawson Health Research Institute, London, Ontario, Canada, N6A 4V2
    J R Soc Interface 10:20121046. 2013
    ..Such sensitivity is surprisingly high. Any purported detection mechanisms being considered will need to explain effects at such wELFMF...
  8. doi request reprint Human cognitive performance in a 3 mT power-line frequency magnetic field
    Michael Corbacio
    Bioelectromagnetics Group, Imaging Program, Lawson Health Research Institute, St Joseph s Health Care, London, Ontario, Canada
    Bioelectromagnetics 32:620-33. 2011
    ..It is speculated that an ELF MF may interfere with the neuropsychological processes responsible for this short-term learning effect supported by brain synaptic plasticity...
  9. doi request reprint The cardiovascular response to an acute 1800-microT, 60-Hz magnetic field exposure in humans
    David A McNamee
    Bioelectromagnetics, Imaging Program, Lawson Health Research Institute, 268 Grosvenor Street, N6A 4V2, London, ON, Canada
    Int Arch Occup Environ Health 83:441-54. 2010
    ..This study investigated the effects of 1-h exposure to an 1800-muT, 60-Hz MF on human microcirculation (represented in this study as skin blood perfusion), HR, low-frequency HRV, and high-frequency HRV...
  10. doi request reprint Extremely low frequency pulsed electromagnetic field designed for antinociception does not affect microvascular responsiveness to the vasodilator acetylcholine
    Julia C McKay
    Bioelectromagnetics, Imaging Program, Lawson Health Research Institute, London, Ontario, Canada
    Bioelectromagnetics 31:64-76. 2010
    ....
  11. ncbi request reprint Daily repeated magnetic field shielding induces analgesia in CD-1 mice
    Frank S Prato
    Department of Nuclear Medicine, Bioelectromagnetics, Lawson Health Research Institute, St Joseph s Health Care, London, Ontario N6A 4V2, Canada
    Bioelectromagnetics 26:109-17. 2005
    ....
  12. pmc Exposure to a specific pulsed low-frequency magnetic field: a double-blind placebo-controlled study of effects on pain ratings in rheumatoid arthritis and fibromyalgia patients
    N M Shupak
    Lawson Health Research Institute, St Joseph s Health Care, London, Ontario N6A 4V2
    Pain Res Manag 11:85-90. 2006
    ..Specific pulsed electromagnetic fields (PEMFs) have been shown to induce analgesia (antinociception) in snails, rodents and healthy human volunteers...
  13. ncbi request reprint Resting EEG effects during exposure to a pulsed ELF magnetic field
    Charles M Cook
    Department of Nuclear Medicine, Lawson Health Research Institute, St Joseph s Health Care London, London, Ontario, Canada
    Bioelectromagnetics 26:367-76. 2005
    ..This decrease in alpha activity was no longer significant in the 1st min post-exposure, compared to sham (P > .05). This study is among the first to assess EEG frequency changes during a weak (+/-200 microTpk), pulsed ELF MF exposure...
  14. doi request reprint Micronuclei in the blood and bone marrow cells of mice exposed to specific complex time-varying pulsed magnetic fields
    Siddharth B Reddy
    Lawson Health Research Institute, London, Ontario, Canada
    Bioelectromagnetics 31:445-53. 2010
    ..Further investigations are underway using other genotoxicity assays (comet assay, gamma-H2AX foci, and chromosomal aberrations) to assess genotoxicity following PMF exposure...
  15. ncbi request reprint A literature review: the effects of magnetic field exposure on blood flow and blood vessels in the microvasculature
    Julia C McKay
    Bioelectromagnetics, Imaging Program, Lawson Health Research Institute, London, Ontario, Canada
    Bioelectromagnetics 28:81-98. 2007
    ....
  16. ncbi request reprint The influence of extremely low frequency magnetic fields on cytoprotection and repair
    John A Robertson
    Department of Nuclear Medicine, Bioelectromagnetics, Lawson Health Research Institute, St Joseph s Health Care, London, Ontario, Canada
    Bioelectromagnetics 28:16-30. 2007
    ....
  17. ncbi request reprint Light alters nociceptive effects of magnetic field shielding
    Adrian M Koziak
    Lawson Health Research Institute, Department of Nuclear Medicine, St Joseph s Health Care, London, Ontario, Canada
    Bioelectromagnetics 27:10-5. 2006
    ..6 W/m(2), 400-750 nm) that most of the effects of shielding are eliminated. This simple experimental protocol may be useful in investigating the role that light plays in the detection of ambient electromagnetic fields...
  18. pmc Low-frequency pulsed electromagnetic field exposure can alter neuroprocessing in humans
    John A Robertson
    Imaging Program, Lawson Health Research Institute, 268 Grosvenor Street, London, Ontario, Canada, N6A 4V2
    J R Soc Interface 7:467-73. 2010
    ..Magnetoreception may be more common than presently thought...
  19. pmc Using "smart stimulators" to treat Parkinson's disease: re-engineering neurostimulation devices
    Julien Modolo
    Bioelectromagnetics, Imaging Program, Lawson Health Research Institute London, ON, Canada Department of Medical Biophysics, The University of Western Ontario London, ON, Canada
    Front Comput Neurosci 6:69. 2012
    ....
  20. ncbi request reprint Analgesic and behavioral effects of a 100 microT specific pulsed extremely low frequency magnetic field on control and morphine treated CF-1 mice
    Naomi M Shupak
    Bioelectromagnetics, Lawson Health Research Institute, Department of Nuclear Medicine, St Joseph s Health Care, 268 Grosvenor Street, London, Ont N6A 4V2, Canada
    Neurosci Lett 354:30-3. 2004
    ..Cnp+morphine offset the increased movement activity found with morphine alone. These results suggest that pulsed magnetic fields can induce analgesic behavior in mice without the side effects often associated with opiates like morphine...
  21. doi request reprint Assessment of genetic damage in peripheral blood of human volunteers exposed (whole-body) to a 200 muT, 60 Hz magnetic field
    Genevieve C Albert
    Bioelectromagnetics, Lawson Health Research Institute, Department of Medical Biophysics, Schulich School of Medicine and Dentistry, The University of Western Ontario, London, Ontario
    Int J Radiat Biol 85:144-52. 2009
    ..To investigate the extent of damage in nucleated cells in peripheral blood of healthy human volunteers exposed to a whole-body 60 Hz, 200 microT magnetic field...
  22. doi request reprint Possible mechanisms of synaptic plasticity modulation by extremely low-frequency magnetic fields
    Julien Modolo
    Human Threshold Research Group, Lawson Health Research Institute, London, ON, Canada
    Electromagn Biol Med 32:137-44. 2013
    ..We also suggest novel directions of research in order to reach a convergence of biophysical models of brain activity and corresponding experimental data to identify interaction mechanisms...
  23. doi request reprint A literature review: the cardiovascular effects of exposure to extremely low frequency electromagnetic fields
    David Andrew McNamee
    Bioelectromagnetics, Imaging Program, Lawson Health Research Institute, London, ON, N6A 4V2, Canada
    Int Arch Occup Environ Health 82:919-33. 2009
    ..Recommendations for future work include investigating the macro- and microcirculatory relationship and the use of laboratory geomagnetic shielding...
  24. ncbi request reprint Resting EEG is affected by exposure to a pulsed ELF magnetic field
    Charles M Cook
    The Lawson Health Research Institute and Department of Nuclear Medicine and MR, St Joseph s Health Care London, London, Ontario, Canada
    Bioelectromagnetics 25:196-203. 2004
    ..Hence, we suggest that this result may be a nonspecific physiological response to the pulsed MFs...
  25. pmc Model-driven therapeutic treatment of neurological disorders: reshaping brain rhythms with neuromodulation
    Julien Modolo
    Lawson Health Research Institute, St Joseph Health Care, 268 Grosvenor Street, London, Canada
    Interface Focus 1:61-74. 2011
    ..The reviewed literature emphasizes that biophysical modelling is a valuable tool to assist a rational development of electrical and/or magnetic brain stimulation methods tailored to both the disease and the patient's characteristics...
  26. ncbi request reprint Factors confounding cytosolic calcium measurements in Jurkat E6.1 cells during exposure to ELF magnetic fields
    Cheryl R McCreary
    Imaging Division Lawson, Health Research Institute, London, Ontario, Canada
    Bioelectromagnetics 23:315-28. 2002
    ..Our results suggest that ELF MF effects may not be seen unless correction is made for biological variability of each cell preparation with respect to cell cycle and [Ca2+](c) response to antigen stimulation...