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E. Oka · SciRah

Researcher profile · Semantic Scholar

E. Oka

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E. Oka — researcher profile on SciRah

h-index: 27
Works: 159
Citations: 2,598

Most-cited papers

Significant correlation of the SCN1A mutations and severe myoclonic epilepsy in infancy.
I. Ohmori, M. Ouchida, Y. Ohtsuka, E. Oka +1 more
2002Biochemical and Biophysical Research Communications - BBRC231 citations
Semantic Scholar
Very Fast Rhythmic Activity on Scalp EEG Associated with Epileptic Spasms
K. Kobayashi, M. Oka, T. Akiyama, T. Inoue +5 more
2004Epilepsia147 citations Open access
Semantic Scholar
Prevalence of Childhood Epilepsy and Distribution of Epileptic Syndromes: A Population‐based Survey in Okayama, Japan
E. Oka, Y. Ohtsuka, H. Yoshinaga, N. Murakami +2 more
2006Epilepsia127 citations
Semantic Scholar
CYP2C polymorphisms, phenytoin metabolism and gingival overgrowth in epileptic subjects.
Y. Soga, F. Nishimura, Y. Ohtsuka, H. Araki +8 more
2004Life Science84 citations
Semantic Scholar
Benefit of Simultaneous Recording of EEG and MEG in Dipole Localization
H. Yoshinaga, T. Nakahori, Y. Ohtsuka, E. Oka +5 more
2002Epilepsia61 citations Open access
Semantic Scholar
Neuroepidemiological Study of Childhood Epilepsy by Application of International Classification of Epilepsies and Epileptic Syndromes (ILAE, 1989)
E. Oka, S. Ishida, Y. Ohtsuka, S. Ohtahara
1995Epilepsia60 citations
Semantic Scholar
Predictors and underlying causes of medically intractable localization-related epilepsy in childhood.
Y. Ohtsuka, H. Yoshinaga, K. Kobayashi, N. Murakami +3 more
2001Pediatric Neurology57 citations
Semantic Scholar
Is phenotype difference in severe myoclonic epilepsy in infancy related to SCN1A mutations?
I. Ohmori, Y. Ohtsuka, M. Ouchida, T. Ogino +3 more
2003Brain & development (Tokyo. 1979)47 citations
Semantic Scholar
Electroclinical characteristics of hemimegalencephaly.
Y. Ohtsuka, S. Ohno, E. Oka
1999Pediatric Neurology39 citations
Semantic Scholar
EEG in childhood absence epilepsy.
H. Yoshinaga, Y. Ohtsuka, K. Tamai, Ibuki Tamura +3 more
2004Seizure37 citations Open access
Semantic Scholar
Mesial Temporal Lobe Epilepsy in Childhood
N. Murakami, S. Ohno, E. Oka, A. Tanaka
1996Epilepsia37 citations
Semantic Scholar
Partial Seizures in West Syndrome
Y. Ohtsuka, Itsuko Murashima, Takashi Asano, E. Oka +1 more
1996Epilepsia35 citations
Semantic Scholar
Long‐Term Follow‐Up of Childhood Epilepsy Associated with Tuberous Sclerosis
Y. Ohtsuka, I. Ohmori, E. Oka
1998Epilepsia34 citations Open access
Semantic Scholar
Spasms in clusters in epilepsies other than typical West syndrome.
Y. Ohtsuka, K. Kobayashi, T. Ogino, E. Oka
2001Brain & development (Tokyo. 1979)32 citations
Semantic Scholar
Dipole analysis in panayiotopoulos syndrome.
H. Yoshinaga, M. Koutroumanidis, A. Shirasawa, Kenichi Kikumoto +2 more
2005Brain & development (Tokyo. 1979)29 citations
Semantic Scholar
Prognosis after withdrawal of antiepileptic drugs in childhood-onset cryptogenic localization-related epilepsies.
Hodaka Ohta, Y. Ohtsuka, T. Tsuda, E. Oka
2004Brain & development (Tokyo. 1979)29 citations
Semantic Scholar
Childhood-onset epilepsy associated with polymicrogyria.
Y. Ohtsuka, A. Tanaka, K. Kobayashi, Hodaka Ohta +3 more
2002Brain & development (Tokyo. 1979)27 citations
Semantic Scholar
The Relationship between Paroxysmal Kinesigenic Choreoathetosis and Epilepsy
I. Ohmori, Y. Ohtsuka, T. Ogino, H. Yoshinaga +2 more
2002Neuropediatrics27 citations
Semantic Scholar
Long-term follow-up of vitamin B(6)-responsive West syndrome.
Y. Ohtsuka, T. Ogino, Takashi Asano, Junri Hattori +2 more
2000Pediatric Neurology27 citations
Semantic Scholar
Effects of high-dose antiepileptic drugs on event-related potentials in epileptic children.
H. Enoki, S. Sanada, E. Oka, S. Ohtahara
1996Epilepsy Research27 citations
Semantic Scholar
Relationship between severity of epilepsy and developmental outcome in Angelman syndrome.
Y. Ohtsuka, K. Kobayashi, H. Yoshinaga, T. Ogino +3 more
2005Brain & development (Tokyo. 1979)26 citations
Semantic Scholar
Clinical spectrum of epileptic spasms associated with cortical malformation.
K. Kobayashi, Y. Ohtsuka, S. Ohno, I. Ohmori +5 more
2001Neuropediatrics26 citations
Semantic Scholar
Symptoms related to ADHD observed in patients with pervasive developmental disorder.
T. Ogino, Junri Hattori, Kiyoko Abiru, K. Nakano +2 more
2005Brain & development (Tokyo. 1979)24 citations
Semantic Scholar
Ictal MEG in two children with partial seizures.
H. Yoshinaga, Y. Ohtsuka, Yoshiaki Watanabe, M. Inutsuka +3 more
2004Brain & development (Tokyo. 1979)23 citations
Semantic Scholar
Long‐term follow‐up of an individual with vitamin B6‐dependent seizures
Y. Ohtsuka, Junri Hattori, T. Ishida, T. Ogino +1 more
1999Developmental Medicine & Child Neurology23 citations
Semantic Scholar
Utility of the Scalp‐Recorded Ictal EEG in Childhood Epilepsy
H. Yoshinaga, Junri Hattori, Hodaka Ohta, Takashi Asano +3 more
2001Epilepsia21 citations Open access
Semantic Scholar
Dipole tracing in childhood epilepsy with special reference to Rolandic epilepsy
H. Yoshinaga, Rumi Amano, E. Oka, S. Ohtahara
2005Brain Topography20 citations
Semantic Scholar
Electroencephalographic changes and their regional differences during pediatric cardiovascular surgery with hypothermia.
T. Akiyama, K. Kobayashi, T. Nakahori, H. Yoshinaga +6 more
2001Brain & development (Tokyo. 1979)20 citations
Semantic Scholar
Suppression-burst patterns in intractable epilepsy with focal cortical dysplasia.
Y. Ohtsuka, M. Sato, S. Sanada, H. Yoshinaga +1 more
2000Brain & development (Tokyo. 1979)19 citations
Semantic Scholar
Analysis of Ictal EEGs of Epilepsy Associated with Tuberous Sclerosis
I. Ohmori, Y. Ohtsuka, S. Ohno, E. Oka
1998Epilepsia18 citations Open access
Semantic Scholar
A study of spike-density on EEG in West syndrome.
M. Oka, K. Kobayashi, T. Akiyama, T. Ogino +1 more
2004Brain & development (Tokyo. 1979)17 citations
Semantic Scholar
Nonconvulsive Status Epilepticus in Childhood Localization‐Related Epilepsy
Y. Ohtsuka, M. Sato, E. Oka
1999Epilepsia15 citations Open access
Semantic Scholar
Paroxysmal movement disorders in severe myoclonic epilepsy in infancy.
Y. Ohtsuka, I. Ohmori, T. Ogino, M. Ouchida +2 more
2003Brain & development (Tokyo. 1979)13 citations
Semantic Scholar
Age‐Related Clinical and Neurophysiologic Characteristics of Intractable Epilepsy Associated with Cortical Malformation
K. Kobayashi, Y. Ohtsuka, S. Ohno, A. Tanaka +2 more
2001Epilepsia13 citations
Semantic Scholar
[Nation-wide survey on hemimegalencephaly in Japan].
M. Sasaki, T. Hashimoto, M. Shimada, K. Iinuma +5 more
2000No to hattatsu = Brain and development13 citations
Semantic Scholar
The Characteristics of Epilepsy with Angelman Syndrome.
Kazunori Ogawa, Y. Ohtsuka, K. Kobayashi, Takashi Asano +1 more
199613 citations
Semantic Scholar
[Childhood epilepsy in Okayama Prefecture, Japan--a neuroepidemiological study].
E. Oka
2002No to hattatsu = Brain and development12 citations
Semantic Scholar
Epileptic encephalopathies in early infancy
S. Ohtahara, Y. Ohtsuka, E. Oka
1997Indian Journal of Pediatrics12 citations
Semantic Scholar
Myoclonic seizures combined with partial seizures and probable pathophysiology of secondary bilateral synchrony.
Katsuhiro Kobayashi, S. Maniwa, T. Ogino, H. Yoshinaga +2 more
2000Clinical Neurophysiology11 citations
Semantic Scholar
Steady-state serum concentrations of carbamazepine and valproic acid in obese and lean patients with epilepsy.
K. Suemaru, Hiromu Kawasaki, Kanako Yasuhara, Kazuhisa Yao +5 more
1998Acta Medica Okayama10 citations
Semantic Scholar
A population-based survey of childhood epilepsy in Okayama Prefecture, Japan: reclassification by a newly proposed diagnostic scheme of epilepsies in 2001.
T. Akiyama, K. Kobayashi, T. Ogino, H. Yoshinaga +4 more
2006Epilepsy Research9 citations
Semantic Scholar
Investigation of bilateral synchronous spike-wave discharge by EEG topography
H. Yoshinaga, K. Kobayashi, M. Sato, E. Oka +1 more
2005Brain Topography9 citations
Semantic Scholar
Combined use of sphenoidal electrodes and the dipole localization method for the identification of the mesial temporal focus
H. Yoshinaga, Junri Hattori, Tomoyuki Nakahori, Y. Ohtsuka +4 more
2001European Journal of Neurology7 citations
Semantic Scholar
Diagnostic Value of EEG Analysis of Epileptic Focus in Mesial Temporal Lobe Epilepsy (MTLE)
H. Yoshinaga, S. Ohno, T. Nakahori, E. Oka +3 more
19987 citations
Semantic Scholar
Multimodal estimation of epileptic foci with dipole localization method and other technique
H. Yoshinaga, M. Sato, S. Sanada, Takashi Asano +3 more
1996Brain Topography7 citations
Semantic Scholar
Clinical and electroencephalographic characteristics of children with febrile seizures plus.
K. Kobayashi, Y. Ohtsuka, I. Ohmori, Y. Nishio +3 more
2004Brain & development (Tokyo. 1979)6 citations
Semantic Scholar
Utility of scalp‐recorded ictal electroencephalograms in childhood epilepsy with complex partial seizures
H. Yoshinaga, Y. Ohtsuka, Kiyoko Abiru, K. Nakano +1 more
2004Pediatrics International6 citations
Semantic Scholar
Longitudinal study of auditory brainstem response in leigh syndrome.
H. Yoshinaga, T. Ogino, F. Endo, S. Yasuhara +3 more
2003Neuropediatrics6 citations
Semantic Scholar
Electroclinical study of localization-related epilepsies in early infancy.
I. Ohmori, Y. Ohtsuka, E. Oka, T. Akiyama +1 more
1997Pediatric Neurology6 citations
Semantic Scholar
Event-related potentials in epileptic children treated with monotherapy
H. Enoki, S. Sanada, E. Oka, S. Ohtahara
19956 citations
Semantic Scholar

Frequent co-authors

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Y. Ohtsuka×35
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Y. Ohtsuka — researcher profile on SciRah
H. Yoshinaga×22
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H. Yoshinaga — researcher profile on SciRah
T. Ogino×17
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T. Ogino — researcher profile on SciRah
K. Kobayashi×16
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K. Kobayashi — researcher profile on SciRah

×11

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I. Ohmori — researcher profile on SciRah

S. Ohtahara×10

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S. Ohno — researcher profile on SciRah

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T. Akiyama — researcher profile on SciRah

Takashi Asano×5

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Takashi Asano — researcher profile on SciRah

Junri Hattori×5

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Junri Hattori — researcher profile on SciRah

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Kiyoko Abiru×4

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Kiyoko Abiru — researcher profile on SciRah