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K. Nagata · SciRah

Researcher profile · Semantic Scholar

K. Nagata

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K. Nagata — researcher profile on SciRah

h-index: 31
Works: 176
Citations: 3,188

Most-cited papers

Dual Antithrombotic Therapy Increases Severe Bleeding Events in Patients With Stroke and Cardiovascular Disease: A Prospective, Multicenter, Observational Study
K. Toyoda, M. Yasaka, K. Iwade, K. Nagata +8 more
2008Stroke232 citations
Semantic Scholar
Serotonergic hyperinnervation into the dopaminergic denervated striatum compensates for dopamine conversion from exogenously administered l-DOPA.
T. Maeda, K. Nagata, Y. Yoshida, K. Kannari
2005Brain Research142 citations
Semantic Scholar
[Alzheimer's disease and vascular dementia].
K. Nagata
2014Nihon rinsho. Japanese journal of clinical medicine125 citations
Semantic Scholar
Antithrombotic Therapy Influences Location, Enlargement, and Mortality from Intracerebral Hemorrhage
K. Toyoda, M. Yasaka, K. Nagata, T. Nagao +4 more
2008Cerebrovascular Diseases104 citations
Semantic Scholar
Blood Pressure Levels and Bleeding Events During Antithrombotic Therapy: The Bleeding With Antithrombotic Therapy (BAT) Study
K. Toyoda, M. Yasaka, S. Uchiyama, T. Nagao +8 more
2010Stroke97 citations
Semantic Scholar
The impact of inflammation on the pathogenesis and prognosis of ischemic stroke.
T. Nakase, Takashi Yamazaki, N. Ogura, A. Suzuki +1 more
2008Journal of Neurological Sciences94 citations
Semantic Scholar
Cerebral circulation in aging.
K. Nagata, Takashi Yamazaki, D. Takano, T. Maeda +3 more
2016Ageing Research Reviews85 citations
Semantic Scholar
Enhanced Connexin 43 immunoreactivity in penumbral areas in the human brain following ischemia
T. Nakase, Y. Yoshida, K. Nagata
2006Glia84 citations
Semantic Scholar
Musical anhedonia: Selective loss of emotional experience in listening to music
M. Satoh, T. Nakase, K. Nagata, H. Tomimoto
2011Neurocase76 citations
Semantic Scholar
Effects of yokukansan on behavioral and psychological symptoms of vascular dementia: an open-label trial.
K. Nagata, E. Yokoyama, Takashi Yamazaki, D. Takano +3 more
2012Phytomedicine48 citations
Semantic Scholar
The anterior portion of the bilateral temporal lobes participates in music perception: a positron emission tomography study.
M. Satoh, K. Takeda, K. Nagata, J. Hatazawa +1 more
2003AJNR. American journal of neuroradiology45 citations
Semantic Scholar
Amplified expression of uncoupling proteins in human brain ischemic lesions
T. Nakase, Y. Yoshida, K. Nagata
2007Neuropathology (Kyoto. 1993)42 citations
Semantic Scholar
Long-Term Angiotensin-Converting Enzyme Inhibitor Perindopril Therapy Improves Cerebral Perfusion Reserve in Patients With Previous Minor Stroke
J. Hatazawa, E. Shimosegawa, Yasuhiro Osaki, M. Ibaraki +5 more
2004Stroke41 citations Open access
Semantic Scholar
Increased von Willebrand factor in acute stroke patients with atrial fibrillation.
M. Sato, A. Suzuki, K. Nagata, S. Uchiyama
2006Journal of Stroke & Cerebrovascular Diseases40 citations
Semantic Scholar
Prospective observational study in elderly patients with non-valvular atrial fibrillation: Rationale and design of the All Nippon AF In the Elderly (ANAFIE) Registry.
H. Inoue, T. Yamashita, M. Akao, H. Atarashi +21 more
2018Journal of Cardiology38 citations Open access
Semantic Scholar
Analysis of cerebral perfusion and metabolism assessed with positron emission tomography before and after carotid artery stenting. Clinical article.
S. Matsubara, J. Moroi, A. Suzuki, M. Sasaki +3 more
2009Journal of Neurosurgery33 citations Open access
Semantic Scholar
Parkinson's disease comorbid with narcolepsy presenting low CSF hypocretin/orexin level.
T. Maeda, K. Nagata, H. Kondo, T. Kanbayashi
2006Sleep Medicine32 citations
Semantic Scholar
Ischemia Alters the Expression of Connexins in the Aged Human Brain
T. Nakase, T. Maeda, Y. Yoshida, K. Nagata
2009Journal of Biomedicine and Biotechnology31 citations Open access
Semantic Scholar
Topographic EEG in brain ischemia - correlation with blood flow and metabolism
K. Nagata
2005Brain Topography31 citations
Semantic Scholar
High Prevalence of Gastroesophageal Reflux Disease in Parkinson's Disease: A Questionnaire-Based Study
T. Maeda, K. Nagata, Y. Satoh, Takashi Yamazaki +1 more
2013Parkinson's Disease29 citations Open access
Semantic Scholar
Multicentre multiobserver study of diffusion-weighted and fluid-attenuated inversion recovery MRI for the diagnosis of sporadic Creutzfeldt–Jakob disease: a reliability and agreement study
K. Fujita, M. Harada, M. Sasaki, T. Yuasa +14 more
2012BMJ Open24 citations Open access
Semantic Scholar
Angiotensinogen gene polymorphism as a risk factor for ischemic stroke.
T. Nakase, T. Mizuno, S. Harada, Kei Yamada +4 more
2007Journal of clinical neuroscience23 citations
Semantic Scholar
[Glucose metabolism in the brain].
K. Nagata
2002Nihon rinsho. Japanese journal of clinical medicine22 citations
Semantic Scholar
Cerebrovascular lesions in elderly Japanese patients with Alzheimer's disease.
K. Nagata, D. Takano, Takashi Yamazaki, T. Maeda +3 more
2012Journal of Neurological Sciences18 citations
Semantic Scholar
CHADS2 and CHA2DS2-VASc scores as bleeding risk indices for patients with atrial fibrillation: the Bleeding with Antithrombotic Therapy Study
K. Toyoda, M. Yasaka, S. Uchiyama, K. Iwade +8 more
2014Hypertension Research17 citations Open access
Semantic Scholar
Topographic EEG mapping in cerebrovascular disease
K. Nagata
2005Brain Topography17 citations
Semantic Scholar
Diffusion-weighted MRI in evaluation of transient ischemic attack.
J. Nagura, Kazuo Suzuki, S. Johnston, K. Nagata +4 more
2003Journal of Stroke & Cerebrovascular Diseases17 citations
Semantic Scholar
Dabigatran and factor Xa inhibitors for stroke prevention in patients with nonvalvular atrial fibrillation.
S. Uchiyama, S. Ibayashi, M. Matsumoto, T. Nagao +6 more
2012Journal of Stroke & Cerebrovascular Diseases16 citations
Semantic Scholar
Relationship between cerebral circulatory reserve and oxygen extraction fraction in patients with major cerebral artery occlusive disease: a positron emission tomography study.
Kenichiro Yata, A. Suzuki, J. Hatazawa, E. Shimosegawa +3 more
2006Stroke13 citations Open access
Semantic Scholar
Correlation of EEG activities between slow-wave sleep and wakefulness in patients with supra-tentorial stroke
E. Yokoyama, K. Nagata, Y. Hirata, Y. Satoh +2 more
2005Brain Topography13 citations
Semantic Scholar
Higher longitudinal brain white matter atrophy rate in aquaporin-4 IgG-positive NMOSD compared with healthy controls
H. Masuda, M. Mori, Shigeki Hirano, A. Uzawa +496 more
2023Scientific Reports11 citations Open access
Semantic Scholar
Depressive psychosis: clinical usefulness of MR spectroscopy data in predicting prognosis.
H. Kado, H. Kimura, Tetsuhito Murata, K. Nagata +1 more
2006Radiology11 citations Open access
Semantic Scholar
Sound Richness of Music Might Be Mediated by Color Perception: A PET Study
M. Satoh, K. Nagata, H. Tomimoto
2015Behavioural Neurology10 citations Open access
Semantic Scholar
Exogenous l-DOPA induce no dopamine immuno-reactivity in striatal astroglias and microglias of adult rats with extensive nigro-striatal dopaminergic denervation.
T. Maeda, K. Nagata, Y. Yoshida
2008Neuroscience Letters10 citations
Semantic Scholar
Japanese Versus Non-Japanese Patients with Transient Ischemic Attack or Minor Stroke: Subanalysis of TIA registry.org.
S. Uchiyama, T. Hoshino, L. Sissani, Monteiro Tavares Linsay +11 more
2019Journal of Stroke & Cerebrovascular Diseases9 citations Open access
Semantic Scholar
Brain topography and multimodal imaging
哲生小林, I. Ozaki, K. Nagata
20098 citations
Semantic Scholar
Zonisamide in the early stage of Parkinson's disease
T. Maeda, D. Takano, Takashi Yamazaki, Y. Satoh +1 more
20157 citations Open access
Semantic Scholar
The Lateral Occipital Complex is Activated by Melody with Accompaniment: Foreground and Background Segregation in Auditory Processing
M. Satoh, K. Takeda, K. Nagata, H. Tomimoto
20117 citations Open access
Semantic Scholar
Research and development of a portable device to quantify muscle tone in patients with Parkinsons disease
David K. Wright, Kazuhiro Nakamura, T. Maeda, Keiichi Kutsuzawa +2 more
2008Annual International Conference of the IEEE Engineering in Medicine and Biology Society7 citations
Semantic Scholar
The Relations among EEG, Mood, Preference, Personality and Spectrum Power analysis in Listening to Healing music
Michiko Nuki, K. Nagata, H. Kawakami
20046 citations
Semantic Scholar
[Update on stroke epidemiology].
K. Nagata, Kazuo Suzuki
2013Brain and nerve = Shinkei kenkyu no shinpo5 citations
Semantic Scholar
Japanese and Non-Japanese Patients with Transient Ischemic Attack or Minor Stroke: A Five-Year Risk Analysis of Stroke and Vascular Events
S. Uchiyama, T. Hoshino, Hugo Charles, K. Kamiyama +10 more
2020Journal of atherosclerosis and thrombosis4 citations Open access
Semantic Scholar
The relationship between visuospatial ability and cognitive function in patients with right-hemisphere infarction.
H. Kato, M. Seki, Junya Shindo, Takashi Yamazaki +3 more
2012Journal of Neurological Sciences4 citations
Semantic Scholar
Effect of Polyunsaturated Fatty Acids on the Evolution of Cognitive ability in Elderly Patients with Alzheimer’s Disease
Takashi Yamazaki, K. Nagata, D. Takano, Mayumi Saito +5 more
20152 citations
Semantic Scholar
Clinical manifestations of medullary infarctions
Takashi Yamazaki, T. Nakase, N. Ogura, Tomoaki Kameda +5 more
20072 citations Open access
Semantic Scholar
[A case of vertebral artery dissection with recurrent brain embolism].
T. Nakase, A. Suzuki, K. Okane, K. Nagata
2006No to shinkei = Brain and nerve2 citations
Semantic Scholar
An MR Diffusion Tensor Imaging Study on the Disruption of Cerebral White Matter Integrity in Alzheimer's Disease -- Fiber Tracking in the Cingulum
Akifumi Hisada, Utako Yamamoto, Tetsuo Kobayashi, Takashi Yamazaki +1 more
20131 citations
Semantic Scholar
Abstract 2986: Bilateral Thalamic Lesions in Subcortical Vascular Dementia
K. Nagata, Takashi Yamazaki, D. Takano, T. Maeda +2 more
2012Stroke1 citations
Semantic Scholar
International multicenter cooperative observational study
S. Uchiyama, G. Nakagawara, K. Nagata, K. Minematsu +2 more
20101 citations Open access
Semantic Scholar
[An epilepsy case presenting temporal aphonia and prosodic deficit with left hemiparesis].
T. Nakase, T. Maeda, A. Suzuki, K. Nagata
2006Rinshō shinkeigaku Clinical neurology1 citations
Semantic Scholar

Frequent co-authors

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T. Maeda×15
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T. Maeda — researcher profile on SciRah
T. Nakase×14
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T. Nakase — researcher profile on SciRah
Takashi Yamazaki×12
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Takashi Yamazaki — researcher profile on SciRah
S. Uchiyama×9
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D. Takano — researcher profile on SciRah

K. Minematsu×7

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A. Suzuki — researcher profile on SciRah

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K. Toyoda — researcher profile on SciRah

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M. Yasaka — researcher profile on SciRah

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Y. Satoh — researcher profile on SciRah

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T. Nagao — researcher profile on SciRah

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Y. Yoshida — researcher profile on SciRah