Sam M Doesburg

Summary

Affiliation: The Hospital for Sick Children
Country: Canada

Publications

  1. pmc Theta-modulated gamma-band synchronization among activated regions during a verb generation task
    Sam M Doesburg
    Department of Diagnostic Imaging, Hospital for Sick Children Toronto, ON, Canada
    Front Psychol 3:195. 2012
  2. pmc Neonatal pain-related stress, functional cortical activity and visual-perceptual abilities in school-age children born at extremely low gestational age
    Sam M Doesburg
    Department of Diagnostic Imaging, The Hospital for Sick Children, Toronto, ON, Canada Program in Neurosciences and Mental Health, The Hospital for Sick Children Research Institute, Toronto, ON, Canada Department of Medical Imaging, University of Toronto, Toronto, ON, Canada Electronic address
    Pain 154:1946-52. 2013
  3. pmc Altered Rolandic gamma-band activation associated with motor impairment and ictal network desynchronization in childhood epilepsy
    Sam M Doesburg
    Department of Diagnostic Imaging, Hospital for Sick Children, Toronto, Ontario, Canada
    PLoS ONE 8:e54943. 2013
  4. pmc Magnetoencephalography reveals slowing of resting peak oscillatory frequency in children born very preterm
    Sam M Doesburg
    Department of Diagnostic Imaging, The Hospital for Sick Children, Toronto M5G 1X8, Canada
    Pediatr Res 70:171-5. 2011
  5. doi request reprint Theta modulation of inter-regional gamma synchronization during auditory attention control
    Sam M Doesburg
    Department of Diagnostic Imaging, Hospital for Sick Children, Toronto, Canada
    Brain Res 1431:77-85. 2012
  6. doi request reprint Neocortical pathological high-frequency oscillations are associated with frequency-dependent alterations in functional network topology
    George M Ibrahim
    Division of Neurosurgery, Department of Surgery, Hospital for Sick Children, Toronto, Ontario, Canada
    J Neurophysiol 110:2475-83. 2013
  7. doi request reprint Dynamic modulation of epileptic high frequency oscillations by the phase of slower cortical rhythms
    George M Ibrahim
    Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada Department of Surgery, University of Toronto, Toronto, Ontario, Canada Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada Electronic address
    Exp Neurol 251:30-8. 2014
  8. pmc Disruption of rolandic gamma-band functional connectivity by seizures is associated with motor impairments in children with epilepsy
    George M Ibrahim
    Division of Neurosurgery, Hospital for Sick Children, Toronto, Ontario, Canada
    PLoS ONE 7:e39326. 2012
  9. doi request reprint Atypical language laterality is associated with large-scale disruption of network integration in children with intractable focal epilepsy
    George M Ibrahim
    Division of Neurosurgery, Hospital for Sick Children, Department of Surgery, University of Toronto, Toronto, Ontario, Canada Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada Electronic address
    Cortex 65:83-8. 2015
  10. doi request reprint Dynamic changes of interictal post-spike slow waves toward seizure onset in focal cortical dysplasia type II
    Yosuke Sato
    Division of Neurology, Hospital for Sick Children, Toronto, Ont, Canada
    Clin Neurophysiol 126:1670-6. 2015

Detail Information

Publications22

  1. pmc Theta-modulated gamma-band synchronization among activated regions during a verb generation task
    Sam M Doesburg
    Department of Diagnostic Imaging, Hospital for Sick Children Toronto, ON, Canada
    Front Psychol 3:195. 2012
    ..These findings suggest that oscillatory synchronization and cross-frequency interactions are mechanisms for functional integration among distributed brain areas supporting expressive language processing...
  2. pmc Neonatal pain-related stress, functional cortical activity and visual-perceptual abilities in school-age children born at extremely low gestational age
    Sam M Doesburg
    Department of Diagnostic Imaging, The Hospital for Sick Children, Toronto, ON, Canada Program in Neurosciences and Mental Health, The Hospital for Sick Children Research Institute, Toronto, ON, Canada Department of Medical Imaging, University of Toronto, Toronto, ON, Canada Electronic address
    Pain 154:1946-52. 2013
    ..These findings provide the first evidence linking neonatal pain-related stress, the development of functional brain activity, and school-age cognitive outcome in these vulnerable children...
  3. pmc Altered Rolandic gamma-band activation associated with motor impairment and ictal network desynchronization in childhood epilepsy
    Sam M Doesburg
    Department of Diagnostic Imaging, Hospital for Sick Children, Toronto, Ontario, Canada
    PLoS ONE 8:e54943. 2013
    ..These results provide the evidence that ictal disruption of motor networks is associated with an altered functional response from motor cortex, which is in turn associated with motor impairment...
  4. pmc Magnetoencephalography reveals slowing of resting peak oscillatory frequency in children born very preterm
    Sam M Doesburg
    Department of Diagnostic Imaging, The Hospital for Sick Children, Toronto M5G 1X8, Canada
    Pediatr Res 70:171-5. 2011
    ....
  5. doi request reprint Theta modulation of inter-regional gamma synchronization during auditory attention control
    Sam M Doesburg
    Department of Diagnostic Imaging, Hospital for Sick Children, Toronto, Canada
    Brain Res 1431:77-85. 2012
    ....
  6. doi request reprint Neocortical pathological high-frequency oscillations are associated with frequency-dependent alterations in functional network topology
    George M Ibrahim
    Division of Neurosurgery, Department of Surgery, Hospital for Sick Children, Toronto, Ontario, Canada
    J Neurophysiol 110:2475-83. 2013
    ....
  7. doi request reprint Dynamic modulation of epileptic high frequency oscillations by the phase of slower cortical rhythms
    George M Ibrahim
    Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada Department of Surgery, University of Toronto, Toronto, Ontario, Canada Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada Electronic address
    Exp Neurol 251:30-8. 2014
    ..01). These results suggest that increased CFC between pHFO amplitude and alpha phase may constitute a marker of epileptogenic brain areas and may be relevant for understanding seizure dynamics...
  8. pmc Disruption of rolandic gamma-band functional connectivity by seizures is associated with motor impairments in children with epilepsy
    George M Ibrahim
    Division of Neurosurgery, Hospital for Sick Children, Toronto, Ontario, Canada
    PLoS ONE 7:e39326. 2012
    ..This study uniquely demonstrates that seizure-induced disturbances in cortical functional connectivity are associated with network-specific neurological deficits...
  9. doi request reprint Atypical language laterality is associated with large-scale disruption of network integration in children with intractable focal epilepsy
    George M Ibrahim
    Division of Neurosurgery, Hospital for Sick Children, Department of Surgery, University of Toronto, Toronto, Ontario, Canada Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada Electronic address
    Cortex 65:83-8. 2015
    ..These findings may inform the interpretation of localization studies by providing novel insights into reorganization of neural networks in epilepsy. ..
  10. doi request reprint Dynamic changes of interictal post-spike slow waves toward seizure onset in focal cortical dysplasia type II
    Yosuke Sato
    Division of Neurology, Hospital for Sick Children, Toronto, Ont, Canada
    Clin Neurophysiol 126:1670-6. 2015
    ..In this study, we evaluated dynamic changes of PSS power toward seizure onset in patients with focal cortical dysplasia (FCD) type II...
  11. doi request reprint Characterising intra- and inter-intrinsic network synchrony in combat-related post-traumatic stress disorder
    Benjamin T Dunkley
    Department of Diagnostic Imaging, The Hospital for Sick Children, Toronto, Canada Neuroscience and Mental Health Program, The Hospital for Sick Children Research Institute, Toronto, Canada Department of Medical Imaging, University of Toronto, Toronto, Canada Electronic address
    Psychiatry Res 234:172-81. 2015
    ..These results contribute to accumulating evidence that PTSD is a complicated network-based disorder expressed as altered neural interactions...
  12. doi request reprint Impaired development of intrinsic connectivity networks in children with medically intractable localization-related epilepsy
    George M Ibrahim
    Division of Neurosurgery, Hospital for Sick Children, Department of Surgery, University of Toronto, Toronto, Ontario, Canada Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
    Hum Brain Mapp 35:5686-700. 2014
    ..Our findings underscore that epilepsy interferes with the developmental trajectory of brain networks underlying cognition, providing evidence supporting the early treatment of affected children...
  13. doi request reprint Dynamic preictal relations in FCD type II: potential for early seizure detection in focal epilepsy
    Yosuke Sato
    Division of Neurology, Hospital for Sick Children, Toronto, Ontario, Canada Electronic address
    Epilepsy Res 110:26-31. 2015
    ..05, Steel-Dwass test). The present results indicate that the preictal dynamics of HFO and PSS power in the SOZ may have utility for early seizure detection...
  14. doi request reprint Desynchronization of fronto-temporal networks during working memory processing in autism
    Charline Urbain
    Department of Diagnostic Imaging, The Hospital for Sick Children, Toronto, Canada
    Hum Brain Mapp 37:153-64. 2016
    ..Accordingly, atypical WM processes have been related to the social and cognitive deficits observed in children with autism spectrum disorder (ASD)...
  15. doi request reprint Atypical resting synchrony in autism spectrum disorder
    Annette X Ye
    Diagnostic Imaging, Hospital for Sick Children, Toronto, Ontario Institute of Medical Science, University of Toronto, Toronto, Ontario Neurosciences and Mental Health, Hospital for Sick Children Research Institute, Toronto, Ontario
    Hum Brain Mapp 35:6049-66. 2014
    ..This work provides evidence of atypical connectivity at physiologically relevant time scales and indicates that alterations of functional connectivity in adolescents with ASD are frequency dependent and region dependent...
  16. doi request reprint Preictal surrender of post-spike slow waves to spike-related high-frequency oscillations (80-200 Hz) is associated with seizure initiation
    Yosuke Sato
    Division of Neurology, Hospital for Sick Children, Toronto, Ontario, Canada
    Epilepsia 55:1399-405. 2014
    ..The aim of this study was to elucidate the spatiotemporal relationship between spike-related HFOs and PSS in patients with focal cortical dysplasia (FCD) type II...
  17. pmc Theta, mental flexibility, and post-traumatic stress disorder: connecting in the parietal cortex
    Benjamin T Dunkley
    Department of Diagnostic Imaging, Hospital for Sick Children, Toronto, Canada Neuroscience and Mental Health Program, Hospital for Sick Children Research Institute, Toronto, Canada
    PLoS ONE 10:e0123541. 2015
    ....
  18. pmc Reduced beta band connectivity during number estimation in autism
    Katrin A Bangel
    Department of Diagnostic Imaging, Hospital for Sick Children, Toronto, Canada Neurosciences and Mental Health, Hospital for Sick Children Research Institute, Toronto, Canada Department of Psychiatry, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    Neuroimage Clin 6:202-13. 2014
    ....
  19. pmc Coordinated Information Generation and Mental Flexibility: Large-Scale Network Disruption in Children with Autism
    Bratislav Misić
    Rotman Research Institute, Baycrest Centre, Toronto, Canada Department of Psychology, University of Toronto, Toronto, Canada
    Cereb Cortex 25:2815-27. 2015
    ....
  20. doi request reprint Oscillations, networks, and their development: MEG connectivity changes with age
    Carmen B Schäfer
    Department of Diagnostic Imaging, The Hospital for Sick Children, Toronto, Canada Institute of Anatomy and Cell Biology, University of Heidelberg, Germany
    Hum Brain Mapp 35:5249-61. 2014
    ....