P W Stroman

Summary

Affiliation: Institute for Biodiagnostics
Country: Canada

Publications

  1. ncbi request reprint Spin-echo versus gradient-echo fMRI with short echo times
    P W Stroman
    MR Technology Group, Institute for Biodiagnostics, National Research Council of Canada, Winnipeg, Manitoba, Canada
    Magn Reson Imaging 19:827-31. 2001
  2. ncbi request reprint Characterization of contrast changes in functional MRI of the human spinal cord at 1.5 T
    P W Stroman
    MR Technology Group, Institute for Biodiagnostics, National Research Council of Canada, 435 Ellice Avenue, R3B 1Y6, Winnipeg, Manitoba, Canada
    Magn Reson Imaging 19:833-8. 2001
  3. ncbi request reprint Functional magnetic resonance imaging of the human cervical spinal cord with stimulation of different sensory dermatomes
    P W Stroman
    MR Technology Group, Institute for Biodiagnostics, National Research Council of Canada, Winnipeg, Manitoba, Canada
    Magn Reson Imaging 20:1-6. 2002
  4. ncbi request reprint Noninvasive assessment of the injured human spinal cord by means of functional magnetic resonance imaging
    P W Stroman
    MR Technology Group, Institute for Biodiagnostics, National Research Council of Canada, Winnipeg, MB, Canada
    Spinal Cord 42:59-66. 2004
  5. ncbi request reprint Functional MRI of motor and sensory activation in the human spinal cord
    P W Stroman
    MR Technology Group, Institute for Biodiagnostics, National Research Council Winnipeg, Manitoba, Canada
    Magn Reson Imaging 19:27-32. 2001
  6. ncbi request reprint Functional magnetic resonance imaging of the human brain based on signal enhancement by extravascular protons (SEEP fMRI)
    P W Stroman
    MR Technology Group, Institute for Biodiagnostics, National Research Council of Canad, Winnipeg, Manitoba, Canada
    Magn Reson Med 49:433-9. 2003
  7. ncbi request reprint Detection of the neuronal activity occurring caudal to the site of spinal cord injury that is elicited during lower limb movement tasks
    J Kornelsen
    Department of Physiology, University of Manitoba, Winnipeg, Manitoba, Canada
    Spinal Cord 45:485-90. 2007
  8. ncbi request reprint Extravascular proton-density changes as a non-BOLD component of contrast in fMRI of the human spinal cord
    P W Stroman
    MR Technology Group, Institute for Biodiagnostics, National Research Council of Canada, Winnipeg, Manitoba, Canada
    Magn Reson Med 48:122-7. 2002
  9. ncbi request reprint Mapping of neuronal function in the healthy and injured human spinal cord with spinal fMRI
    P W Stroman
    Institute for Biodiagnostics, National Research Council of Canada, Winnipeg, Manitoba, Canada
    Neuroimage 17:1854-60. 2002
  10. ncbi request reprint Functional magnetic resonance imaging at 0.2 Tesla
    P W Stroman
    Institute for Biodiagnostics, National Research Council of Canada, Winnipeg, Manitoba, Canada
    Neuroimage 20:1210-4. 2003

Collaborators

  • K L Malisza
  • B Tomanek
  • J Kornelsen
  • F Agosta
  • C R Figley
  • K Majcher
  • M Filippi
  • M A Rocca
  • E Judica
  • P Valsasina
  • D Caputo
  • S Sala
  • T Foniok
  • U I Tuor
  • D Kirk
  • G Hess
  • A Jasinski

Detail Information

Publications15

  1. ncbi request reprint Spin-echo versus gradient-echo fMRI with short echo times
    P W Stroman
    MR Technology Group, Institute for Biodiagnostics, National Research Council of Canada, Winnipeg, Manitoba, Canada
    Magn Reson Imaging 19:827-31. 2001
    ..66% to 1.0% with spin-echo EPI, and 0.11% to 0.35% with gradient-echo EPI. Spin-echo and gradient-echo EPI can therefore yield similar signal changes at sufficiently short echo times...
  2. ncbi request reprint Characterization of contrast changes in functional MRI of the human spinal cord at 1.5 T
    P W Stroman
    MR Technology Group, Institute for Biodiagnostics, National Research Council of Canada, 435 Ellice Avenue, R3B 1Y6, Winnipeg, Manitoba, Canada
    Magn Reson Imaging 19:833-8. 2001
    ..5%. This suggests that in addition to the BOLD effect there is a baseline signal change which occurs concomitant to neuronal activation in the spinal cord...
  3. ncbi request reprint Functional magnetic resonance imaging of the human cervical spinal cord with stimulation of different sensory dermatomes
    P W Stroman
    MR Technology Group, Institute for Biodiagnostics, National Research Council of Canada, Winnipeg, Manitoba, Canada
    Magn Reson Imaging 20:1-6. 2002
    ..Following clustering, the distribution of activity observed with fMRI matched the expected regions of neuronal activation with the different areas of stimulation on the hand and forearm...
  4. ncbi request reprint Noninvasive assessment of the injured human spinal cord by means of functional magnetic resonance imaging
    P W Stroman
    MR Technology Group, Institute for Biodiagnostics, National Research Council of Canada, Winnipeg, MB, Canada
    Spinal Cord 42:59-66. 2004
    ..In the present study, this method, spinal functional magnetic resonance imaging (fMRI), is applied to the first study of the injured spinal cord, with the goal of better clinical assessment of the entire cord...
  5. ncbi request reprint Functional MRI of motor and sensory activation in the human spinal cord
    P W Stroman
    MR Technology Group, Institute for Biodiagnostics, National Research Council Winnipeg, Manitoba, Canada
    Magn Reson Imaging 19:27-32. 2001
    ..The activated regions in the spinal cord extended along a column on the side of the body being stimulated and included localized regions on the contralateral side, in agreement with the neural anatomy...
  6. ncbi request reprint Functional magnetic resonance imaging of the human brain based on signal enhancement by extravascular protons (SEEP fMRI)
    P W Stroman
    MR Technology Group, Institute for Biodiagnostics, National Research Council of Canad, Winnipeg, Manitoba, Canada
    Magn Reson Med 49:433-9. 2003
    ....
  7. ncbi request reprint Detection of the neuronal activity occurring caudal to the site of spinal cord injury that is elicited during lower limb movement tasks
    J Kornelsen
    Department of Physiology, University of Manitoba, Winnipeg, Manitoba, Canada
    Spinal Cord 45:485-90. 2007
    ....
  8. ncbi request reprint Extravascular proton-density changes as a non-BOLD component of contrast in fMRI of the human spinal cord
    P W Stroman
    MR Technology Group, Institute for Biodiagnostics, National Research Council of Canada, Winnipeg, Manitoba, Canada
    Magn Reson Med 48:122-7. 2002
    ....
  9. ncbi request reprint Mapping of neuronal function in the healthy and injured human spinal cord with spinal fMRI
    P W Stroman
    Institute for Biodiagnostics, National Research Council of Canada, Winnipeg, Manitoba, Canada
    Neuroimage 17:1854-60. 2002
    ..In subjects with complete injuries, activity is absent ipsilateral to the thermal stimulation, but appears to be enhanced on the contralateral side. These findings demonstrate the reliability of Spinal fMRI and its clinical potential...
  10. ncbi request reprint Functional magnetic resonance imaging at 0.2 Tesla
    P W Stroman
    Institute for Biodiagnostics, National Research Council of Canada, Winnipeg, Manitoba, Canada
    Neuroimage 20:1210-4. 2003
    ..This study also demonstrates that fMRI based on the SEEP contrast mechanism can be carried out at low fields where the BOLD effect is expected to be negligible...
  11. ncbi request reprint fMRI of the lumbar spinal cord during a lower limb motor task
    J Kornelsen
    Department of Physiology, University of Manitoba, Winnipeg, Manitoba, Canada
    Magn Reson Med 52:411-4. 2004
    ..This study affirms spinal fMRI as an effective tool for assessing spinal cord function and increases its potential as a clinical tool...
  12. ncbi request reprint Simultaneous functional magnetic resonance imaging in the rat spinal cord and brain
    K Majcher
    Institute of Nuclear Physics, Polish Academy of Sciences, Krakow, Poland
    Exp Neurol 197:458-64. 2006
    ..Experiments were repeated in single animal and across animals. Activities within the dorsal horn of the spinal cord and within the somatosensory cortex were observed consistently within each animal as well as across animals...
  13. ncbi request reprint Discrimination of errors from neuronal activity in functional MRI of the human spinal cord by means of general linear model analysis
    P W Stroman
    Department of Diagnostic Radiology, Centre for Neuroscience Studies, Queen s University, Kingston, Ontario, Canada
    Magn Reson Med 56:452-6. 2006
    ..The results demonstrate that the sensitivity of spinal fMRI is improved and errors are reduced when peripheral pulse traces are used in the GLM, but no improvement was detected with the inclusion of respiratory traces...
  14. ncbi request reprint Investigation of human cervical and upper thoracic spinal cord motion: implications for imaging spinal cord structure and function
    C R Figley
    Centre for Neuroscience Studies, Queen s University, Kingston, Ontario, Canada
    Magn Reson Med 58:185-9. 2007
    ..Cord movement was largest in the A/P direction, for which principal components of motion were calculated, thereby indicating consistent patterns of SC oscillation that can potentially be used to improve SC imaging...
  15. doi request reprint Evidence for enhanced functional activity of cervical cord in relapsing multiple sclerosis
    F Agosta
    Neuroimaging Research Unit, Scientific Institute and University Ospedale San Raffaele, Via Olgettina 60, Milan, Italy
    Magn Reson Med 59:1035-42. 2008
    ..Cord fMRI changes might have a role in limiting the clinical consequences of MS associated with irreversible tissue damage...