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Hiroshi Otsubo

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Evoked Potentials, Somatosensory

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Elysa Widjaja; Cristina Go; Ayako Ochi; Hiroshi Otsubo; Amer Shammas; O Carter Snead; Reza Vali; Martin Charron
FDG-PET and magnetoencephalography in presurgical workup of children with localization-related nonlesional epilepsy.
George M Ibrahim; Ayako Ochi; Hiroshi Otsubo; Tomoyuki Akiyama; Gregory W Albert; Elizabeth J Donner; James M Drake; Aria Fallah; O Carter Snead; Shelly Weiss; Teresa Withers; James T Rutka
Occipital lobe epilepsy in children: characterization, evaluation and surgical outcomes.
Naomi P Visanji; Simon X Wang; Shelly Weiss; Janice C Wong; Blair Cappel; Leroi V DeSouza; Cristina Go; Michael H Handler; Cynthia E Hawkins; Bette K Kleinschmidt-DeMasters; Ayako Ochi; Hiroshi Otsubo; James T Rutka; K W Michael Siu; Harry V Vinters; Lili-Naz Hazrati
A proteomic analysis of pediatric seizure cases associated with astrocytic inclusions.

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2013: Elysa Widjaja; Cristina Go; Ayako Ochi; Hiroshi Otsubo; Amer Shammas; O Carter Snead; Reza Vali; Martin Charron
FDG-PET and magnetoencephalography in presurgical workup of children with localization-related nonlesional epilepsy.
Epilepsia 2013;54(4):691-9.
2012: George M Ibrahim; Ayako Ochi; Hiroshi Otsubo; Tomoyuki Akiyama; Gregory W Albert; Elizabeth J Donner; James M Drake; Aria Fallah; O Carter Snead; Shelly Weiss; Teresa Withers; James T Rutka
Occipital lobe epilepsy in children: characterization, evaluation and surgical outcomes.
Epilepsy research 2012;99(3):335-45.
2012: Naomi P Visanji; Simon X Wang; Shelly Weiss; Janice C Wong; Blair Cappel; Leroi V DeSouza; Cristina Go; Michael H Handler; Cynthia E Hawkins; Bette K Kleinschmidt-DeMasters; Ayako Ochi; Hiroshi Otsubo; James T Rutka; K W Michael Siu; Harry V Vinters; Lili-Naz Hazrati
A proteomic analysis of pediatric seizure cases associated with astrocytic inclusions.
Epilepsia 2012;53(3):e50-4.
2012: George M Ibrahim; Ayako Ochi; Hiroshi Otsubo; James T Rutka; Mary Lou Smith; O Carter Snead; Margot J Taylor; Tomoyuki Akiyama; Elizabeth Donner; Sam M Doesburg
Disruption of rolandic gamma-band functional connectivity by seizures is associated with motor impairments in children with epilepsy.
PloS one 2012;7(6):e39326.
2011: Cristina V Torres; O Carter Snead; Samuel Cheshier; Sylvester Chuang; Aria Fallah; Stephanie Holowka; George M Ibrahim; Ayako Ochi; Hiroshi Otsubo; James T Rutka
The role of magnetoencephalography in children undergoing hemispherectomy.
Journal of neurosurgery. Pediatrics 2011;8(6):575-83.
2011: Bláthnaid McCoy; Ayako Ochi; Hiroshi Otsubo; Rohit Sharma; Eshetu G Atenafu; Cristina Go; James S Hutchison; Cecil D Hahn
Predictors of nonconvulsive seizures among critically ill children.
Epilepsia 2011;52(11):1973-8.
2011: Elysa Widjaja; S Geibprasert; Hiroshi Otsubo; O Carter Snead; S Z Mahmoodabadi
Diffusion tensor imaging assessment of the epileptogenic zone in children with localization-related epilepsy.
AJNR. American journal of neuroradiology 2011;32(10):1789-94.
2011: Ayako Ochi; Tomoyuki Akiyama; Elizabeth J Donner; James Drake; Cristina Go; Ryan Hung; Yoshihiro Nawa; James T Rutka; Taiki Shima; O Carter Snead; Tonia To; Shelly Weiss; Elysa Widjaja; Hiroshi Otsubo
Lateralized interictal epileptiform discharges during rapid eye movement sleep correlate with epileptogenic hemisphere in children with intractable epilepsy secondary to tuberous sclerosis complex.
Epilepsia 2011;52(11):1986-94.
2011: Tomoyuki Akiyama; Elizabeth J Donner; James M Drake; Irene Elliott; Cristina Y Go; Bláthnaid McCoy; Ayako Ochi; James T Rutka; O Carter Snead; Shelly K Weiss; Mari Akiyama; Hiroshi Otsubo
Focal resection of fast ripples on extraoperative intracranial EEG improves seizure outcome in pediatric epilepsy.
Epilepsia 2011;52(10):1802-11.
2011: Tomoyuki Akiyama; Elizabeth J Donner; Cristina Y Go; Ayako Ochi; O Carter Snead; James T Rutka; Hiroshi Otsubo
Focal-onset myoclonic seizures and secondary bilateral synchrony.
Epilepsy research 2011;95(1-2):168-72.
2011: Tomoyuki Akiyama; Derrick Chan; Cristina Y Go; Ayako Ochi; Irene Elliott; Elizabeth J Donner; Shelly K Weiss; O Carter Snead; James T Rutka; James M Drake; Hiroshi Otsubo
Topographic movie of intracranial ictal high-frequency oscillations with seizure semiology: epileptic network in Jacksonian seizures.
Epilepsia 2011;52(1):75-83.
2010: C P Stewart; Hiroshi Otsubo; Ayako Ochi; Rohit Sharma; James S Hutchison; Cecil D Hahn
Seizure identification in the ICU using quantitative EEG displays.
Neurology 2010;75(17):1501-8.
2010: Derrick Chan; Madoka Yamazaki; Tomoyuki Akiyama; Bill Chu; Elizabeth J Donner; Hiroshi Otsubo
Rapid oscillatory activity in delta brushes of premature and term neonatal EEG.
Brain & development 2010;32(6):482-6.
2010: Tomoyuki Akiyama; Hiroshi Otsubo
[Antiepileptic drugs in North America].
Brain and nerve = Shinkei kenkyū no shinpo 2010;62(5):519-26.
2010: Elysa Widjaja; Gustavo Simao; Sina Zarei Mahmoodabadi; Ayako Ochi; O Carter Snead; James Rutka; Hiroshi Otsubo
Diffusion tensor imaging identifies changes in normal-appearing white matter within the epileptogenic zone in tuberous sclerosis complex.
Epilepsy research 2010;89(2-3):246-53.
2010: Wai Hoe Ng; Ayako Ochi; James T Rutka; Samuel Strantzas; Laura Holmes; Hiroshi Otsubo
Stimulation threshold potentials of intraoperative cortical motor mapping using monopolar trains of five in pediatric epilepsy surgery.
Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery 2010;26(5):675-9.
2010: Ratan D Bhardwaj; Sina Zarei Mahmoodabadi; Hiroshi Otsubo; O Carter Snead; James T Rutka; Elysa Widjaja
Diffusion tensor tractography detection of functional pathway for the spread of epileptiform activity between temporal lobe and Rolandic region.
Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery 2010;26(2):185-90.
2009: Hiroshi Otsubo
[Case presentation in English. Using template for systematic and accurate presentation].
No shinkei geka. Neurological surgery 2009;37(11):1143-9.
2009: Mony Benifla; Francesco Sala; John Jane; Hiroshi Otsubo; Ayako Ochi; James Drake; Shelly Weiss; Elizabeth Donner; Ayataka Fujimoto; Stephanie Holowka; Elysa Widjaja; O Carter Snead; Mary Lou Smith; Mandeep S Tamber; James T Rutka
Neurosurgical management of intractable rolandic epilepsy in children: role of resection in eloquent cortex. Clinical article.
Journal of neurosurgery. Pediatrics 2009;4(3):199-216.
2009: Elaine Galicia; Katsumi Imai; Ismail S Mohamed; Cristina Go; Ayataka Fujimoto; Ayako Ochi; Ryoichi Sakuta; William Halliday; James T Rutka; Sylvester H Chuang; O Carter Snead; Hiroshi Otsubo
Changing ictal-onset EEG patterns in children with cortical dysplasia.
Brain & development 2009;31(8):569-76.
2009: Hiroshi Otsubo
[Improving communication skills for successful paper writing based on Internet/email].
No shinkei geka. Neurological surgery 2009;37(6):609-16.
2009: Elysa Widjaja; Sina Zarei Mahmoodabadi; Hiroshi Otsubo; O Carter Snead; Stephanie Holowka; Sonya Bells; Charles Raybaud
Subcortical alterations in tissue microstructure adjacent to focal cortical dysplasia: detection at diffusion-tensor MR imaging by using magnetoencephalographic dipole cluster localization.
Radiology 2009;251(1):206-15.
2009: William Gaetz; Douglas Cheyne; James T Rutka; James Drake; Mony Benifla; Samuel Strantzas; Elysa Widjaja; Stephanie Holowka; Zulma Tovar-Spinoza; Hiroshi Otsubo; Elizabeth W Pang
Presurgical localization of primary motor cortex in pediatric patients with brain lesions by the use of spatially filtered magnetoencephalography.
Neurosurgery 2009;64(3 Suppl):ons177-85; discussion ons186.
2009: Madoka Yamazaki; Derrick Chan; Zulma Tovar-Spinoza; Cristina Go; Katsumi Imai; Ayako Ochi; Bill Chu; James T Rutka; James Drake; Elysa Widjaja; Masato Matsuura; O Carter Snead; Hiroshi Otsubo
Interictal epileptogenic fast oscillations on neonatal and infantile EEGs in hemimegalencephaly.
Epilepsy research 2009;83(2-3):198-206.
2009: Elizabeth W Pang; William Gaetz; James M Drake; Samuel Strantzas; Matthew J MacDonald; Hiroshi Otsubo; O Carter Snead
Patient with postcentral gyrectomy demonstrates reliable localization of hand motor area using magnetoencephalography.
Pediatric neurosurgery 2009;45(4):311-6.
2008: Mony Benifla; James T Rutka; Hiroshi Otsubo; Maria Lamberti-Pasculli; Irene Elliott; Eric Sell; Rajesh RamachandranNair; Ayako Ochi; Shelly K Weiss; O Carter Snead; Elizabeth J Donner
Long-term seizure and social outcomes following temporal lobe surgery for intractable epilepsy during childhood.
Epilepsy research 2008;82(2-3):133-8.
2008: Elysa Widjaja; Hiroshi Otsubo; Charles Raybaud; Ayako Ochi; Derrick Chan; James T Rutka; O Carter Snead; William Halliday; Ryoichi Sakuta; Elaine Galicia; Ilan Shelef; Sylvester H Chuang
Characteristics of MEG and MRI between Taylor's focal cortical dysplasia (type II) and other cortical dysplasia: surgical outcome after complete resection of MEG spike source and MR lesion in pediatric cortical dysplasia.
Epilepsy research 2008;82(2-3):147-55.
2008: Hiroshi Otsubo
[Presentation based on the brain science; success of your talk at the international conference].
No shinkei geka. Neurological surgery 2008;36(11):1041-8.
2008: Zulma Tovar-Spinoza; Ayako Ochi; James T Rutka; Cristina Go; Hiroshi Otsubo
The role of magnetoencephalography in epilepsy surgery.
Neurosurgical focus 2008;25(3):E16.
2008: Hiroshi Otsubo
[Team efforts to write an English scientific paper].
No shinkei geka. Neurological surgery 2008;36(8):735-9.
2008: W Gaetz; Hiroshi Otsubo; Elizabeth W Pang
Magnetoencephalography for clinical pediatrics: the effect of head positioning on measurement of somatosensory-evoked fields.
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2008;119(8):1923-33.
2008: Lili-Naz Hazrati; B K Kleinschmidt-DeMasters; Michael H Handler; Mary Lou Smith; Ayako Ochi; Hiroshi Otsubo; James T Rutka; Cristina Go; Shelly Weiss; Cynthia E Hawkins
Astrocytic inclusions in epilepsy: expanding the spectrum of filaminopathies.
Journal of neuropathology and experimental neurology 2008;67(7):669-76.
2008: Vera Nenadovic; James S Hutchison; Luis Garcia Dominguez; Hiroshi Otsubo; Martin P Gray; Rohit Sharma; Jason Belkas; Jose L Perez Velazquez
Fluctuations in cortical synchronization in pediatric traumatic brain injury.
Journal of neurotrauma 2008;25(6):615-27.
2008: Eduard Bercovici; Elizabeth W Pang; Rohit Sharma; Ismail S Mohamed; Katsumi Imai; Ayataka Fujimoto; Ayako Ochi; Amrita Viljoen; Bill Chu; Stephanie Holowka; Sylvester H Chuang; Sheelagh M Kemp; James T Rutka; O Carter Snead; Hiroshi Otsubo
Somatosensory-evoked fields on magnetoencephalography for epilepsy infants younger than 4 years with total intravenous anesthesia.
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2008;119(6):1328-34.
2008: Ayako Ochi; Hiroshi Otsubo
Magnetoencephalography-guided epilepsy surgery for children with intractable focal epilepsy: SickKids experience.
International journal of psychophysiology : official journal of the International Organization of Psychophysiology 2008;68(2):104-10.
2008: Hiroshi Otsubo; Ayako Ochi; Katsumi Imai; Tomoyuki Akiyama; Ayataka Fujimoto; Cristina Go; Peter Dirks; Elizabeth J Donner
High-frequency oscillations of ictal muscle activity and epileptogenic discharges on intracranial EEG in a temporal lobe epilepsy patient.
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2008;119(4):862-8.
2008: Rajesh RamachandranNair; Ayako Ochi; Katsumi Imai; Mony Benifla; Tomoyuki Akiyama; Stephanie Holowka; James T Rutka; O Carter Snead; Hiroshi Otsubo
Epileptic spasms in older pediatric patients: MEG and ictal high-frequency oscillations suggest focal-onset seizures in a subset of epileptic spasms.
Epilepsy research 2008;78(2-3):216-24.
2008: Hiroshi Otsubo; Katsumi Imai
Clinical neurophysiology of cortical malformations: magnetoencephalography and electroencephalography.
Handbook of clinical neurology 2008;87():503-16.
2008: Elizabeth W Pang; James M Drake; Hiroshi Otsubo; Allison Martineau; Samuel Strantzas; Douglas Cheyne; William Gaetz
Intraoperative confirmation of hand motor area identified preoperatively by magnetoencephalography.
Pediatric neurosurgery 2008;44(4):313-7.
2007: Ismail S Mohamed; Hiroshi Otsubo; Ayako Ochi; Irene Elliott; Elizabeth J Donner; Sylvester Chuang; Rohit Sharma; Stephanie Holowka; James Rutka; O Carter Snead
Utility of magnetoencephalography in the evaluation of recurrent seizures after epilepsy surgery.
Epilepsia 2007;48(11):2150-9.
2007: Katsumi Imai; Hiroshi Otsubo; E Sell; Ismail S Mohamed; Ayako Ochi; Rajesh RamachandranNair; O Carter Snead
MEG source estimation from mesio-basal temporal areas in a child with a porencephalic cyst.
Acta neurologica Scandinavica 2007;116(4):263-7.
2007: Rajesh RamachandranNair; Ayako Ochi; Mony Benifla; James T Rutka; O Carter Snead; Hiroshi Otsubo
Benign epileptiform discharges in Rolandic region with mesial temporal lobe epilepsy: MEG, scalp and intracranial EEG features.
Acta neurologica Scandinavica 2007;116(1):59-64.
2007: Darren S Kadis; Koji Iida; Elizabeth N Kerr; William J Logan; Mary Pat McAndrews; Ayako Ochi; Hiroshi Otsubo; James T Rutka; O Carter Snead; Shelly K Weiss; Mary Lou Smith
Intrahemispheric reorganization of language in children with medically intractable epilepsy of the left hemisphere.
Journal of the International Neuropsychological Society : JINS 2007;13(3):505-16.
2007: Ismail S Mohamed; Hiroshi Otsubo; Katsumi Imai; Manohar Shroff; Rohit Sharma; Sylvester H Chuang; Elizabeth J Donner; James Drake; O Carter Snead
Surgical treatment for acute symptomatic refractory status epilepticus: a case report.
Journal of child neurology 2007;22(4):435-9.
2007: Ismail S Mohamed; Hiroshi Otsubo; Elizabeth J Donner; Ayako Ochi; Rohit Sharma; James Drake; James T Rutka; Sylvester H Chuang; Stephanie Holowka; O C Snead
Magnetoencephalography for surgical treatment of refractory status epilepticus.
Acta neurologica Scandinavica 2007;115(4 Suppl):29-36.
2007: Ayako Ochi; Hiroshi Otsubo; Elizabeth J Donner; Irene Elliott; Ryoichi Iwata; Takanori Funaki; Yoko Akizuki; Tomoyuki Akiyama; Katsumi Imai; James T Rutka; O Carter Snead
Dynamic changes of ictal high-frequency oscillations in neocortical epilepsy: using multiple band frequency analysis.
Epilepsia 2007;48(2):286-96.
2007: Ismail S Mohamed; Hiroshi Otsubo; Manohar Shroff; Elizabeth J Donner; James Drake; O Carter Snead
Magnetoencephalography and diffusion tensor imaging in gelastic seizures secondary to a cingulate gyrus lesion.
Clinical neurology and neurosurgery 2007;109(2):182-7.
2007: Ismail S Mohamed; Hiroshi Otsubo; Elizabeth J Donner; Ayako Ochi; Rohit Sharma; James Drake; James T Rutka; Sylvester H Chuang; Stephanie Holowka; O Carter Snead
Magnetoencephalography for surgical treatment of refractory status epilepticus.
Acta neurologica Scandinavica. Supplementum 2007;186():29-36.
2007: Rajesh RamachandranNair; Hiroshi Otsubo; Manohar Shroff; Ayako Ochi; Shelly K Weiss; James T Rutka; O Carter Snead
MEG predicts outcome following surgery for intractable epilepsy in children with normal or nonfocal MRI findings.
Epilepsia 2007;48(1):149-57.
2006: Mony Benifla; Hiroshi Otsubo; Ayako Ochi; Shelly K Weiss; Elizabeth J Donner; Manohar Shroff; Sylvester Chuang; Cynthia Hawkins; James M Drake; Irene Elliott; Mary Lou Smith; O Carter Snead; James T Rutka
Temporal lobe surgery for intractable epilepsy in children: an analysis of outcomes in 126 children.
Neurosurgery 2006;59(6):1203-13; discussion 1213-4.
2006: Hiroshi Otsubo
[History of epilepsy surgery at The Hospital for Sick Children in Toronto, Canada].
No shinkei geka. Neurological surgery 2006;34(12):1217-23.
2006: Tomoyuki Akiyama; Hiroshi Otsubo; Ayako Ochi; Elaine Z Galicia; Shelly K Weiss; Elizabeth J Donner; James T Rutka; O Carter Snead
Topographic movie of ictal high-frequency oscillations on the brain surface using subdural EEG in neocortical epilepsy.
Epilepsia 2006;47(11):1953-7.
2006: Ismail S Mohamed; Hiroshi Otsubo; Elizabeth W Pang; Sylvester H Chuang; James T Rutka; P Dirks; Shelly K Weiss; O Carter Snead
Magnetoencephalographic spike sources associated with auditory auras in paediatric localisation-related epilepsy.
Journal of neurology, neurosurgery, and psychiatry 2006;77(11):1256-61.
2006: Montri Saengpattrachai; Rohit Sharma; Amrita Hunjan; Manohar Shroff; Ayako Ochi; Hiroshi Otsubo; Miguel A Cortez; O Carter Snead
Nonconvulsive seizures in the pediatric intensive care unit: etiology, EEG, and brain imaging findings.
Epilepsia 2006;47(9):1510-8.
2006: Ron Grondin; Sylvester Chuang; Hiroshi Otsubo; Stephanie Holowka; O Carter Snead; Charles Raybaud; James T Rutka
The role of magnetoencephalography in pediatric epilepsy surgery.
Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery 2006;22(8):779-85.
2006: Mony Benifla; Hiroshi Otsubo; Ayako Ochi; O Carter Snead; James T Rutka
Multiple subpial transections in pediatric epilepsy: indications and outcomes.
Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery 2006;22(8):992-8.
2006: Makoto Oishi; Hiroshi Otsubo; Koji Iida; Yasuhiro Suyama; Ayako Ochi; Shelly K Weiss; Jing Xiang; William Gaetz; Douglas Cheyne; Sylvester H Chuang; James T Rutka; O Carter Snead
Preoperative simulation of intracerebral epileptiform discharges: synthetic aperture magnetometry virtual sensor analysis of interictal magnetoencephalography data.
Journal of neurosurgery 2006;105(1 Suppl):41-9.
2006: Hiroshi Otsubo
[Battle against reviewers, yet know thyself].
No shinkei geka. Neurological surgery 2006;34(5):527-34.
2006: Nathaniel A Chuang; Hiroshi Otsubo; Elizabeth W Pang; Sylvester H Chuang
Pediatric magnetoencephalography and magnetic source imaging.
Neuroimaging clinics of North America 2006;16(1):193-210, ix-x.
2006: Rajesh RamachandranNair; Hiroshi Otsubo; Ayako Ochi; James Rutka; Elizabeth J Donner
Mirror movements following cortical resection of polymicrogyria in a child with intractable epilepsy.
Pediatric neurology 2006;34(2):135-8.
2006: Takashi Araki; Hiroshi Otsubo; Yuko Makino; Irene Elliott; Koji Iida; Ayako Ochi; Shelly K Weiss; Sylvester H Chuang; James T Rutka; O Carter Snead
Efficacy of dexamathasone on cerebral swelling and seizures during subdural grid EEG recording in children.
Epilepsia 2006;47(1):176-80.
2006: Zheng Xiao; Jing Xiang; Stephanie Holowka; Amrita Hunjan; Rohit Sharma; Hiroshi Otsubo; Sylvester Chuang
Volumetric localization of epileptic activities in tuberous sclerosis using synthetic aperture magnetometry.
Pediatric radiology 2006;36(1):16-21.
2005: Rajesh RamachandranNair; Ayako Ochi; Tomoyuki Akiyama; David J Buckley; Teesta B Soman; Shelly K Weiss; Hiroshi Otsubo
Partial seizures triggering infantile spasms in the presence of a basal ganglia glioma.
Epileptic disorders : international epilepsy journal with videotape 2005;7(4):378-82.
2005: Tomoyuki Akiyama; Hiroshi Otsubo; Ayako Ochi; Taichi Ishiguro; Gemmu Kadokura; Rajesh RamachandranNair; Shelly K Weiss; James T Rutka; O Carter Snead
Focal cortical high-frequency oscillations trigger epileptic spasms: confirmation by digital video subdural EEG.
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2005;116(12):2819-25.
2005: Ayako Ochi; Hiroshi Otsubo; Koji Iida; Makoto Oishi; Irene Elliott; Shelly K Weiss; Tomoko Kutomi; Tojo Nakayama; Roy Sharma; Sylvester H Chuang; James T Rutka; O Carter Snead
Identifying the primary epileptogenic hemisphere from electroencephalographic (EEG) and magnetoencephalographic dipole lateralizations in children with intractable epilepsy.
Journal of child neurology 2005;20(11):885-92.
2005: Rajesh RamachandranNair; Rohit Sharma; Shelly K Weiss; Hiroshi Otsubo; Miguel A Cortez
A reappraisal of rhythmic coma patterns in children.
The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques 2005;32(4):518-23.
2005: Koji Iida; Hiroshi Otsubo; Ismail S Mohamed; Chiyuki Okuda; Ayako Ochi; Shelly K Weiss; Sylvester H Chuang; O Carter Snead
Characterizing magnetoencephalographic spike sources in children with tuberous sclerosis complex.
Epilepsia 2005;46(9):1510-7.
2005: Amna Al-Futaisi; Brenda L Banwell; Ayako Ochi; Justine Hew; Bill Chu; Makoto Oishi; Hiroshi Otsubo
Hidden focal EEG seizures during prolonged suppressions and high-amplitude bursts in early infantile epileptic encephalopathy.
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2005;116(5):1113-7.
2005: Ryoichi Sakuta; Hiroshi Otsubo; Melinda A Nolan; Shelly K Weiss; Cynthia Hawkins; James T Rutka; Nathaniel A Chuang; Sylvester H Chuang; O Carter Snead
Recurrent intractable seizures in children with cortical dysplasia adjacent to dysembryoplastic neuroepithelial tumor.
Journal of child neurology 2005;20(4):377-84.
2005: Hiroshi Otsubo; Koji Iida; Makoto Oishi; Chiyuki Okuda; Ayako Ochi; Elizabeth W Pang; Shelly K Weiss; James T Rutka; Sylvester H Chuang; O Carter Snead
Neurophysiologic findings of neuronal migration disorders: intrinsic epileptogenicity of focal cortical dysplasia on electroencephalography, electrocorticography, and magnetoencephalography.
Journal of child neurology 2005;20(4):357-63.
2005: Koji Iida; Hiroshi Otsubo; Yuuri Matsumoto; Ayako Ochi; Makoto Oishi; Stephanie Holowka; Elizabeth W Pang; Irene Elliott; Shelly K Weiss; Sylvester H Chuang; O Carter Snead; James T Rutka
Characterizing magnetic spike sources by using magnetoencephalography-guided neuronavigation in epilepsy surgery in pediatric patients.
Journal of neurosurgery 2005;102(2 Suppl):187-96.
2005: Melinda A Nolan; Hiroshi Otsubo; Koji Iida; Berge A Minassian
Startle-induced seizures associated with infantile hemiplegia: implication of the supplementary motor area.
Epileptic disorders : international epilepsy journal with videotape 2005;7(1):49-52.
2005: Koji Iida; Hiroshi Otsubo; Kazunori Arita; Frederick Andermann; André Olivier
Cortical resection with electrocorticography for intractable porencephaly-related partial epilepsy.
Epilepsia 2005;46(1):76-83.
2004: Stephanie Holowka; Hiroshi Otsubo; Koji Iida; Elizabeth W Pang; Rohit Sharma; Amrita Hunjan; Jiang Xiang; O Carter Snead; Nathaniel A Chuang; Sylvester H Chuang; James T Rutka
Three-dimensionally reconstructed magnetic source imaging and neuronavigation in pediatric epilepsy: technical note.
Neurosurgery 2004;55(5):1226.
2004: M A Nolan; R Sakuta; Nathaniel A Chuang; Hiroshi Otsubo; James T Rutka; O Carter Snead; Cynthia E Hawkins; Shelly K Weiss
Dysembryoplastic neuroepithelial tumors in childhood: long-term outcome and prognostic features.
Neurology 2004;62(12):2270-6.
2004: Jeffrey P Blount; Wayne Langburt; Hiroshi Otsubo; Shiro Chitoku; Ayako Ochi; Shelly Weiss; O Carter Snead; James T Rutka
Multiple subpial transections in the treatment of pediatric epilepsy.
Journal of neurosurgery 2004;100(2 Suppl Pediatrics):118-24.
2004: Walter J Hader; Mark Mackay; Hiroshi Otsubo; Shiro Chitoku; Shelly Weiss; Lawrence Becker; O Carter Snead; James T Rutka
Cortical dysplastic lesions in children with intractable epilepsy: role of complete resection.
Journal of neurosurgery 2004;100(2 Suppl Pediatrics):110-7.
2003: Dave F Clarke; Hiroshi Otsubo; Shelly K Weiss; Shiro Chitoku; Sylvester H Chuang; William J Logan; Mary-Lou Smith; Irene Elliot; Elizabeth W Pang; James T Rutka; O Carter Snead
The significance of ear plugging in localization-related epilepsy.
Epilepsia 2003;44(12):1562-7.
2003: Elizabeth W Pang; William Gaetz; Hiroshi Otsubo; Sylvester Chuang; Douglas Cheyne
Localization of auditory N1 in children using MEG: source modeling issues.
International journal of psychophysiology : official journal of the International Organization of Psychophysiology 2003;51(1):27-35.
2003: Masaomi Kitayama; Hiroshi Otsubo; Shahid Parvez; Abhay Lodha; Ethel Ying; Boriana Parvez; RYOUHEI ISHII; Yuko Mizuno-Matsumoto; Reza A Zoroofi; O Carter Snead
Wavelet analysis for neonatal electroencephalographic seizures.
Pediatric neurology 2003;29(4):326-33.
2003: Cagatay Onal; Hiroshi Otsubo; Takashi Araki; Shiro Chitoku; Ayako Ochi; Shelly Weiss; Irene Elliott; O Carter Snead; James T Rutka; William Logan
Complications of invasive subdural grid monitoring in children with epilepsy.
Journal of neurosurgery 2003;98(5):1017-26.
2003: Jing Xiang; Stephanie Holowka; Rohit Sharma; Amrita Hunjan; Hiroshi Otsubo; Sylvester Chuang
Volumetric localization of somatosensory cortex in children using synthetic aperture magnetometry.
Pediatric radiology 2003;33(5):321-7.
2003: Shiro Chitoku; Hiroshi Otsubo; Yu Harada; Venita Jay; James T Rutka; Shelly K Weiss; Irene Elliott; Ayako Ochi; Masaomi Kitayama; O Carter Snead
Characteristics of prolonged afterdischarges in children with malformations of cortical development.
Journal of child neurology 2003;18(4):247-53.
2003: Rand Askalan; Mark Mackay; Jessica Brian; Hiroshi Otsubo; Catherine McDermott; Susan Bryson; Jennifer Boyd; Carter Snead; Wendy Roberts; Shelly Weiss
Prospective preliminary analysis of the development of autism and epilepsy in children with infantile spasms.
Journal of child neurology 2003;18(3):165-70.
2003: Mark T Mackay; Lawrence E Becker; Sylvester H Chuang; Hiroshi Otsubo; Nathaniel A Chuang; J Rutka; B Ben-Zeev; O Carter Snead; Shelly K Weiss
Malformations of cortical development with balloon cells: clinical and radiologic correlates.
Neurology 2003;60(4):580-7.
2003: Shiro Chitoku; Hiroshi Otsubo; Takashi Ichimura; Tatsuya Saigusa; Ayako Ochi; Atsushi Shirasawa; Ken-ichi Kamijo; Toshimasa Yamazaki; Elizabeth W Pang; James T Rutka; Shelly K Weiss; O Carter Snead
Characteristics of dipoles in clustered individual spikes and averaged spikes.
Brain & development 2003;25(1):14-21.
2002: Takuya Akai; Hiroshi Otsubo; Elizabeth W Pang; James T Rutka; Shiro Chitoku; Shelly K Weiss; O Carter Snead
Complex central cortex in pediatric patients with malformations of cortical development.
Journal of child neurology 2002;17(5):347-52.
2002: Ayako Ochi; Hiroshi Otsubo; Yo Honda; Yosuke Hara; Rohit Sharma; Irene Elliott; James T Rutka; Sylvester H Chuang; Ken-ichi Kamijo; Tomoharu Kiyuna; Toshimasa Yamazaki; O Carter Snead
Electroencephalographic dipoles of spikes with and without myoclonic jerks caused by epilepsia partialis continua.
Journal of child neurology 2002;17(2):127-31.
2002: Nathaniel A Chuang; Hiroshi Otsubo; Sylvester H Chuang
Magnetic resonance imaging in pediatric epilepsy.
Topics in magnetic resonance imaging : TMRI 2002;13(1):39-60.
2002: Hanna Kolski; Hiroshi Otsubo
The Landau-Kleffner syndrome.
Advances in experimental medicine and biology 2002;497():195-208.
2002: Jing Xiang; Sylvester Chuang; Daniel Wilson; Hiroshi Otsubo; Elizabeth W Pang; Stephanie Holowka; Rohit Sharma; Ayako Ochi; Shiro Chitoku
Sound motion evoked magnetic fields.
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2002;113(1):1-9.
2001: Jing Xiang; Daniel Wilson; Hiroshi Otsubo; RYOUHEI ISHII; Sylvester Chuang
Neuromagnetic spectral distribution of implicit processing of words.
Neuroreport 2001;12(18):3923-7.
2001: Hiroshi Otsubo; Ayako Ochi; Irene Elliott; Sylvester H Chuang; James T Rutka; Venita Jay; MH Aung; DF Sobel; O Carter Snead
MEG predicts epileptic zone in lesional extrahippocampal epilepsy: 12 pediatric surgery cases.
Epilepsia 2001;42(12):1523-30.
2001: C L Woo; Sylvester H Chuang; Lawrence E Becker; Venita Jay; Hiroshi Otsubo; James T Rutka; O Carter Snead
Radiologic-pathologic correlation in focal cortical dysplasia and hemimegalencephaly in 18 children.
Pediatric neurology 2001;25(4):295-303.
2001: Ayako Ochi; Hiroshi Otsubo; Rohit Sharma; Amrita Hunjan; James T Rutka; Sylvester H Chuang; Ken-ichi Kamijo; Toshimasa Yamazaki; P Quint; L Kurelowech; DF Sobel; MH Aung; O Carter Snead
Comparison of electroencephalographic dipoles of interictal spikes from prolonged scalp video-electroencephalography and magnetoencephalographic dipoles from short-term recording in children with extratemporal lobe epilepsy.
Journal of child neurology 2001;16(9):661-7.
2001: Hiroshi Otsubo; Shiro Chitoku; Ayako Ochi; Venita Jay; James T Rutka; M L Smith; Irene Elliott; O Carter Snead
Malignant rolandic-sylvian epilepsy in children: diagnosis, treatment, and outcomes.
Neurology 2001;57(4):590-6.
2001: M Hodaie; A Musharbash; Hiroshi Otsubo; O Carter Snead; Shiro Chitoku; A Ochi; Stephanie Holowka; Harold J Hoffman; James T Rutka
Image-guided, frameless stereotactic sectioning of the corpus callosum in children with intractable epilepsy.
Pediatric neurosurgery 2001;34(6):286-94.
2001: Hiroshi Otsubo; Atsushi Shirasawa; Shiro Chitoku; James T Rutka; S B Wilson; O Carter Snead
Computerized brain-surface voltage topographic mapping for localization of intracranial spikes from electrocorticography. Technical note.
Journal of neurosurgery 2001;94(6):1005-9.
2001: Shiro Chitoku; Hiroshi Otsubo; Y Harada; Venita Jay; James T Rutka; Shelly K Weiss; M Abdoll; O Carter Snead
Extraoperative cortical stimulation of motor function in children.
Pediatric neurology 2001;24(5):344-50.
2001: Ayako Ochi; Hiroshi Otsubo; Shiro Chitoku; Amrita Hunjan; Rohit Sharma; James T Rutka; Sylvester H Chuang; Ken-ichi Kamijo; Toshimasa Yamazaki; O Carter Snead
Dipole localization for identification of neuronal generators in independent neighboring interictal EEG spike foci.
Epilepsia 2001;42(4):483-90.
2001: Hiroshi Otsubo; O Carter Snead
Magnetoencephalography and magnetic source imaging in children.
Journal of child neurology 2001;16(4):227-35.
2001: Hiroshi Otsubo
[Pre- and intra-operative evaluation of epileptic children with intractable seizure disorders: the hospital for sick children].
No to hattatsu. Brain and development 2001;33(2):128-34.
2001: G Klinger; C N Chin; Hiroshi Otsubo; Joseph Beyene; Max Perlman
Prognostic value of EEG in neonatal bacterial meningitis.
Pediatric neurology 2001;24(1):28-31.
2000: DF Sobel; MH Aung; Hiroshi Otsubo; M C Smith
Magnetoencephalography in children with Landau-Kleffner syndrome and acquired epileptic aphasia.
AJNR. American journal of neuroradiology 2000;21(2):301-7.
2000: Ayako Ochi; Hiroshi Otsubo; Atsushi Shirasawa; Amrita Hunjan; Rohit Sharma; M Bettings; James T Rutka; Ken-ichi Kamijo; Toshimasa Yamazaki; S B Wilson; O Carter Snead
Systematic approach to dipole localization of interictal EEG spikes in children with extratemporal lobe epilepsies.
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2000;111(1):161-8.
1999: James T Rutka; Hiroshi Otsubo; S Kitano; H Sakamoto; Atsushi Shirasawa; Ayako Ochi; O Carter Snead
Utility of digital camera-derived intraoperative images in the planning of epilepsy surgery for children.
Neurosurgery 1999;45(5):1186-91.
1999: Hiroshi Otsubo; Rohit Sharma; Irene Elliott; Stephanie Holowka; James T Rutka; O Carter Snead
Confirmation of two magnetoencephalographic epileptic foci by invasive monitoring from subdural electrodes in an adolescent with right frontocentral epilepsy.
Epilepsia 1999;40(5):608-13.
1999: T Sugimoto; Hiroshi Otsubo; PA Hwang; HJ Hoffman; Venita Jay; O Carter Snead
Outcome of epilepsy surgery in the first three years of life.
Epilepsia 1999;40(5):560-5.
1999: Hiroshi Otsubo; M Steinlin; Atsushi Shirasawa; PA Hwang; R Munn; Venita Jay; HJ Hoffman
Interhemispheric interactions analyzed by coherence during flexor spasms.
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 1999;110(2):374-7.
1998: Marilisa M Guerreiro; Frederick Andermann; Eva Andermann; André Palmini; Peter Hwang; H J Hoffman; Hiroshi Otsubo; Alexandre C Bastos; François Dubeau; G Jackson Snipes; André Olivier; T Rasmussen
Surgical treatment of epilepsy in tuberous sclerosis: strategies and results in 18 patients.
Neurology 1998;51(5):1263-9.
1998: Hanna Kolski; E Lee Ford-Jones; Susan Richardson; Martin Petric; S Nelson; Frances Jamieson; Susan Blaser; R Gold; Hiroshi Otsubo; Helen Heurter; Daune MacGregor
Etiology of acute childhood encephalitis at The Hospital for Sick Children, Toronto, 1994-1995.
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 1998;26(2):398-409.
1997: S R Stapleton; E Kiriakopoulos; David J Mikulis; James M Drake; Harold J Hoffman; R Humphreys; Peter Hwang; Hiroshi Otsubo; Stephanie Holowka; William J Logan; James T Rutka
Combined utility of functional MRI, cortical mapping, and frameless stereotaxy in the resection of lesions in eloquent areas of brain in children.
Pediatric neurosurgery 1997;26(2):68-82.
1997: Venita Jay; Hiroshi Otsubo; Peter Hwang; Harold J Hoffman; Susan Blaser; M Zielenska
Coexistence of hemimegalencephaly and chronic encephalitis. Detection of cytomegalovirus by the polymerase chain reaction.
Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery 1997;13(1):35-41.
1997: Hiroshi Otsubo; M Steinlin; PA Hwang; Rohit Sharma; Venita Jay; Lawrence E Becker; HJ Hoffman; Susan Blaser
Positive epileptiform discharges in children with neuronal migration disorders.
Pediatric neurology 1997;16(1):23-31.
1996: PA Hwang; Hiroshi Otsubo; B K Koo; David L Gilday; S H Chuang; Venita Jay; Harold J Hoffman
Infantile spasms: cerebral blood flow abnormalities correlate with EEG, neuroimaging, and pathologic findings.
Pediatric neurology 1996;14(3):220-5.
1995: Hiroshi Otsubo; PA Hwang; David L Gilday; Harold J Hoffman
Location of epileptic foci on interictal and immediate postictal single photon emission tomography in children with localization-related epilepsy.
Journal of child neurology 1995;10(5):375-81.
1995: Hiroshi Otsubo; PA Hwang; A Hunjan; D Armstrong; Stephanie Holowka; James M Drake; Harold J Hoffman
Use of frameless stereotaxy with location of electroencephalographic electrodes on three-dimensional computed tomographic images in epilepsy surgery.
Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society 1995;12(4):363-71.
1995: Hiroshi Otsubo; PA Hwang; Harold J Hoffman; Lawrence E Becker; David L Gilday; S H Chuang; D Harwood-Nash
Neuroimaging studies in children with temporal lobectomy.
Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery 1995;11(5):281-7.
1995: S H Chuang; Hiroshi Otsubo; Peter Hwang; William W Orrison; Jeffrey D Lewine
Pediatric magnetic source imaging.
Neuroimaging clinics of North America 1995;5(2):289-303.
1995: Venita Jay; Lawrence E Becker; Hiroshi Otsubo; Miguel A Cortez; Peter Hwang; Harold J Hoffman; Maria Zielenska
Chronic encephalitis and epilepsy (Rasmussen's encephalitis): detection of cytomegalovirus and herpes simplex virus 1 by the polymerase chain reaction and in situ hybridization.
Neurology 1995;45(1):108-17.
1993: Venita Jay; Lawrence E Becker; Hiroshi Otsubo; PA Hwang; Harold J Hoffman; D Harwood-Nash
Pathology of temporal lobectomy for refractory seizures in children. Review of 20 cases including some unique malformative lesions.
Journal of neurosurgery 1993;79(1):53-61.
1993: Venita Jay; Lawrence E Becker; Hiroshi Otsubo; Peter Hwang; Harold J Hoffman; Derek C Armstrong
Neuronal heterotopia with capillary penetration of neurons and cortical dysplasia in a patient with complex partial seizures. Case report.
Journal of neurosurgery 1993;78(4):654-7.
1993: Hiroshi Otsubo; PA Hwang; Venita Jay; Lawrence E Becker; Harold J Hoffman; David L Gilday; S Blaser
Focal cortical dysplasia in children with localization-related epilepsy: EEG, MRI, and SPECT findings.
Pediatric neurology 1993;9(2):101-7.
1992: Hiroshi Otsubo; Harold J Hoffman; R P Humphreys; E B Hendrick; James M Drake; PA Hwang; Lawrence E Becker; S H Chuang
Detection and management of gangliogliomas in children.
Surgical neurology 1992;38(5):371-8.
1992: Hiroshi Otsubo; S H Chuang; PA Hwang; David L Gilday; Harold J Hoffman
Neuroimaging for investigation of seizures in children.
Pediatric neurosurgery 1992;18(2):105-16.
1991: Harold J Hoffman; Hiroshi Otsubo; E B Hendrick; R P Humphreys; James M Drake; Lawrence E Becker; M Greenberg; Derek Jenkin
Intracranial germ-cell tumors in children.
Journal of neurosurgery 1991;74(4):545-51.
1990: Hiroshi Otsubo; Harold J Hoffman; R P Humphreys; E B Hendrick; James M Drake; PA Hwang; Lawrence E Becker; S H Chuang
Evaluation, surgical approach and outcome of seizure patients with gangliogliomas.
Pediatric neurosurgery 1990;16(4-5):208-12.