William Evans McIlroy

Summary

Affiliation: University of Toronto
Country: Canada

Publications

  1. ncbi request reprint Passive and active lower-limb movements delay upper-limb balance reactions
    S Quant
    Graduate Department of Rehabilitation Science, University of Toronto, 256 McCaul Street, Toronto, Ontario M5T 1W5, Canada
    Neuroreport 12:2821-5. 2001
  2. pmc Ambulatory monitoring of activity levels of individuals in the sub-acute stage following stroke: a case series
    William H Gage
    Toronto Rehabilitation Institute, 550 University Avenue, Toronto, Ontario, M5G 2A2, Canada
    J Neuroeng Rehabil 4:41. 2007
  3. pmc The effect of a concurrent cognitive task on cortical potentials evoked by unpredictable balance perturbations
    Sylvia Quant
    Institute of Medical Science, University of Toronto, Canada
    BMC Neurosci 5:18. 2004
  4. ncbi request reprint Modulation of afferent inflow during the control of balancing tasks using the lower limbs
    William Evans McIlroy
    Graduate Department of Rehabilitation Science, Department of Physical Therapy, University of Toronto, 8th Floor, 500 University Ave, Toronto, Ontario, Canada M5G 1V7
    Brain Res 961:73-80. 2003
  5. ncbi request reprint Preparatory balance adjustments precede withdrawal response to noxious stimulation in standing humans
    W E McIlroy
    Graduate Department of Rehabilitation Science, University of Toronto, Ontario, Canada
    Neurosci Lett 267:197-200. 1999
  6. ncbi request reprint Cortical activation following a balance disturbance
    S Quant
    Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
    Exp Brain Res 155:393-400. 2004
  7. ncbi request reprint The control of lateral stability during rapid stepping reactions evoked by antero-posterior perturbation: does anticipatory control play a role?
    W E McIlroy
    Graduate Department of Rehabilitation Science, University of Toronto, 256 McCaul Street, Toronto, Canada
    Gait Posture 9:190-8. 1999
  8. ncbi request reprint Upper limb H reflexes and somatosensory evoked potentials modulated by movement
    J D Brooke
    Human Neurophysiology Laboratory, Department of Human Biology and Nutritional Sciences, University of Guelph, Ontario, Guelph, Canada
    J Electromyogr Kinesiol 10:211-5. 2000
  9. doi request reprint Cortical responses associated with the preparation and reaction to full-body perturbations to upright stability
    G Mochizuki
    Toronto Rehabilitation Institute, University Centre, Toronto, Canada
    Clin Neurophysiol 119:1626-37. 2008
  10. doi request reprint Perturbation-evoked electrodermal activity responds to instability, not just motor or sensory drives
    K M Sibley
    Institute of Medical Science, University of Toronto, 1 King s College Circle, Toronto, Ontario, Canada
    Clin Neurophysiol 120:619-25. 2009

Collaborators

Detail Information

Publications26

  1. ncbi request reprint Passive and active lower-limb movements delay upper-limb balance reactions
    S Quant
    Graduate Department of Rehabilitation Science, University of Toronto, 256 McCaul Street, Toronto, Ontario M5T 1W5, Canada
    Neuroreport 12:2821-5. 2001
    ..These results may have important implications for understanding the influence of locomotion or other ongoing movement on the control of stability...
  2. pmc Ambulatory monitoring of activity levels of individuals in the sub-acute stage following stroke: a case series
    William H Gage
    Toronto Rehabilitation Institute, 550 University Avenue, Toronto, Ontario, M5G 2A2, Canada
    J Neuroeng Rehabil 4:41. 2007
    ..A case-study approach was used to examine the activity levels and associated physiological load of patients with stroke throughout a day...
  3. pmc The effect of a concurrent cognitive task on cortical potentials evoked by unpredictable balance perturbations
    Sylvia Quant
    Institute of Medical Science, University of Toronto, Canada
    BMC Neurosci 5:18. 2004
    ..During each of these conditions, unpredictable translations of a moving floor evoked cortical and postural responses. Scalp-recorded cortical activity, COP, and TA electromyographic (EMG) measures were collected...
  4. ncbi request reprint Modulation of afferent inflow during the control of balancing tasks using the lower limbs
    William Evans McIlroy
    Graduate Department of Rehabilitation Science, Department of Physical Therapy, University of Toronto, 8th Floor, 500 University Ave, Toronto, Ontario, Canada M5G 1V7
    Brain Res 961:73-80. 2003
    ....
  5. ncbi request reprint Preparatory balance adjustments precede withdrawal response to noxious stimulation in standing humans
    W E McIlroy
    Graduate Department of Rehabilitation Science, University of Toronto, Ontario, Canada
    Neurosci Lett 267:197-200. 1999
    ....
  6. ncbi request reprint Cortical activation following a balance disturbance
    S Quant
    Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
    Exp Brain Res 155:393-400. 2004
    ..05). The similarity in N1 between tasks suggests a sensory representation of early PERs. Differences in late PERs may represent sensorimotor processing related to the execution of balance responses...
  7. ncbi request reprint The control of lateral stability during rapid stepping reactions evoked by antero-posterior perturbation: does anticipatory control play a role?
    W E McIlroy
    Graduate Department of Rehabilitation Science, University of Toronto, 256 McCaul Street, Toronto, Canada
    Gait Posture 9:190-8. 1999
    ....
  8. ncbi request reprint Upper limb H reflexes and somatosensory evoked potentials modulated by movement
    J D Brooke
    Human Neurophysiology Laboratory, Department of Human Biology and Nutritional Sciences, University of Guelph, Ontario, Guelph, Canada
    J Electromyogr Kinesiol 10:211-5. 2000
    ..Upon this basic level, more complex modulations then may be laid as appropriate for the particular characteristics of active motor tasks...
  9. doi request reprint Cortical responses associated with the preparation and reaction to full-body perturbations to upright stability
    G Mochizuki
    Toronto Rehabilitation Institute, University Centre, Toronto, Canada
    Clin Neurophysiol 119:1626-37. 2008
    ..To examine the cortical activity associated with 'central set' preparations for induced whole-body instability...
  10. doi request reprint Perturbation-evoked electrodermal activity responds to instability, not just motor or sensory drives
    K M Sibley
    Institute of Medical Science, University of Toronto, 1 King s College Circle, Toronto, Ontario, Canada
    Clin Neurophysiol 120:619-25. 2009
    ..To determine whether electrodermal responses (EDRs) evoked by postural perturbations were sensitive to the context of compensatory balance control, or simply reflected sensory or motor components of the reaction...
  11. ncbi request reprint Generalisability of sensory gating during passive movement of the legs
    W R Staines
    Department of Human Biology and Nutritional Sciences, University of Guelph, Ontario, Canada
    Brain Res 801:125-9. 1998
    ..05). We conclude that sensory gating occurs during contralateral movement. This gating is absent in other sensory modalities with no apparent functional relationship to the imposed movement...
  12. ncbi request reprint Cognitive demands and cortical control of human balance-recovery reactions
    B E Maki
    Sunnybrook Health Sciences Centre, Toronto, Canada
    J Neural Transm 114:1279-96. 2007
    ....
  13. ncbi request reprint Tactile stimulus predictability modulates activity in a tactile-motor cortical network
    A J Nelson
    Sunnybrook and Women s College Health Science Center, University of Toronto, Ontario, Canada
    Exp Brain Res 154:22-32. 2004
    ..The present study provides a novel and controlled approach to investigate the loci associated with tactile-motor processing and to measure the task-specific effect of stimulus predictability on network components...
  14. ncbi request reprint Adaptation in the motor cortex following cervical spinal cord injury
    D J Mikulis
    Department of Medical Imaging, Toronto Western Hospital of The University Health Network, Ontario, Canada
    Neurology 58:794-801. 2002
    ..The nature of the adaptive changes that occur in the cerebral cortex following injury to the cervical spinal cord are largely unknown...
  15. ncbi request reprint The role of limb movements in maintaining upright stance: the "change-in-support" strategy
    B E Maki
    Sunnybrook Health Science Centre, University of Toronto, Toronto, Ontario, Canada
    Phys Ther 77:488-507. 1997
    ....
  16. doi request reprint Challenging the brain: Exploring the link between effort and cortical activation
    G Mochizuki
    Heart and Stroke Foundation Centre for Stroke Recovery, University of Toronto, Canada
    Brain Res 1301:9-19. 2009
    ..This work establishes understanding and methodology for advancing future studies of the link between effort and motor control, and may be clinically relevant to sensorimotor recovery from neurologic injury...
  17. ncbi request reprint Effect of facilitation of sensation from plantar foot-surface boundaries on postural stabilization in young and older adults
    B E Maki
    Centre for Studies in Aging, Sunnybrook and Women s College Health Sciences Centre, Toronto, Ontario, Canada
    J Gerontol A Biol Sci Med Sci 54:M281-7. 1999
    ....
  18. ncbi request reprint Cortical representation of whole-body movement is modulated by proprioceptive discharge in humans
    W R Staines
    Department of Human Biology and Nutritional Sciences and Biophysics Interdepartmental Group, University of Guelph, Guelph, Ontario, Canada
    Exp Brain Res 138:235-42. 2001
    ..These results have potential implications to the understanding of the CNS control of stability during ongoing movement...
  19. ncbi request reprint Bilateral movement enhances ipsilesional cortical activity in acute stroke: a pilot functional MRI study
    W R Staines
    Sunnybrook and Women s College Health Sciences Centre, Department of Medicine Neurology, and Graduate Department of Rehabilitation Science, University of Toronto, Ontario, Canada
    Neurology 56:401-4. 2001
    ..With recovery, activation of M1 in the affected hemisphere did not differ between unilateral paretic hand and bilateral movement. These preliminary data may have potential implications for acute stroke motor rehabilitation...
  20. ncbi request reprint The gain of initial somatosensory evoked potentials alters with practice of an accurate motor task
    A J Nelson
    Human Neurophysiology Laboratory, Department of Human Biology and Nutritional Science, University of Guelph, Guelph, ON N1G 2W1, Canada
    Brain Res 890:272-9. 2001
    ..Spinal H-reflexes only attenuated with movement per se. We conclude that the CNS preferentially reduces the cerebral inflow of sensory information once such a motor task has been successfully acquired...
  21. ncbi request reprint The efficacy of head immobilization techniques during simulated vehicle motion
    S D Perry
    Centre for Studies in Aging, Sunnybrook and Women s College Health Science Centre, University of Toronto, Canada
    Spine (Phila Pa 1976) 24:1839-44. 1999
    ..Laboratory experiment...
  22. ncbi request reprint New devices to deliver somatosensory stimuli during functional MRI
    S J Graham
    Sunnybrook and Women s College Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada
    Magn Reson Med 46:436-42. 2001
    ..The implications of these data are discussed with respect to the literature on existing devices for producing sensorimotor activation, as well as expanding the scope of current fMRI investigations...
  23. ncbi request reprint Age-related differences in laterally directed compensatory stepping behavior
    B E Maki
    Centre for Studies in Aging, Sunnybrook and Women s College Health Sciences Centre, Toronto, Ontario, Canada
    J Gerontol A Biol Sci Med Sci 55:M270-7. 2000
    ..This study examined whether there are age-related differences in the stepping behavior used to recover from lateral loss of balance...
  24. ncbi request reprint The effect of directional compatibility on the response latencies of ocular and manual movements
    E Niechwiej-Szwedo
    Restorative Motor Control Laboratory, Graduate Department of Rehabilitation Science, University of Toronto, 500 University Avenue, Toronto, Ontario, M5G 1V7, Canada
    Exp Brain Res 162:220-9. 2005
    ..The effects of directional compatibility are discussed in a conceptual framework that considers the neurophysiological substrates that might be involved in mediating these effects...
  25. ncbi request reprint The role of plantar cutaneous mechanoreceptors in the control of compensatory stepping reactions evoked by unpredictable, multi-directional perturbation
    S D Perry
    Centre for Studies in Aging, Sunnybrook and Women s College Health Sciences Centre, University of Toronto, Toronto, Canada
    Brain Res 877:401-6. 2000
    ....
  26. ncbi request reprint Quantifying head motion associated with motor tasks used in fMRI
    E Seto
    Imaging/Bioengineering Research, Sunnybrook and Women's College Health Sciences Centre, Toronto, Ontario, M4N 3M5, Canada
    Neuroimage 14:284-97. 2001
    ..These results lead to several recommendations on the design of fMRI motor experiments and suggest that improved motion correction strategies are required to examine such patient populations comprehensively...