By Dr Yoshiro Okubo

Journal articles

Seino S; Yabushita N; Kim MJ; Nemoto M; Jung S; Osuka Y; Okubo Y; Matsuo T; Tanaka K, 2012, 'Comparison of a combination of upper extremity performance measures and usual gait speed alone for discriminating upper extremity functional limitation and disability in older women', Archives of Gerontology and Geriatrics, 55, pp. 486 - 491, http://dx.doi.org/10.1016/j.archger.2011.10.011

Seino S; Kim MJ; Yabushita N; Nemoto M; Jung S; Osuka Y; Okubo Y; Matsuo T; Tanaka K, 2012, 'Is a composite score of physical performance measures more useful than usual gait speed alone in assessing functional status?', Archives of Gerontology and Geriatrics, 55, pp. 392 - 398, http://dx.doi.org/10.1016/j.archger.2011.11.011

Ueda S; Takeuchi J; Okubo Y, 2012, 'Successful use of olanzapine for catatonia following delirium', Psychiatry and Clinical Neurosciences, 66, pp. 465, http://dx.doi.org/10.1111/j.1440-1819.2012.02368.x

Sairenchi T; Muto T; Iso H; Yamagishi K; Irie F; Okubo Y; Ota H; Gunji J, 2012, 'Response to letters regarding article, "mild retinopathy is a risk factor for cardiovascular mortality in Japanese with and without hypertension: The Ibaraki prefectural health study"', Circulation, 126, pp. e14, http://dx.doi.org/10.1161/CIRCULATIONAHA.112.110825

Suzuki M; Takahashi S; Matsushima E; Tsunoda M; Kurachi M; Okada T; Hayashi T; Ishii Y; Morita K; Maeda H; Katayama S; Otsuka T; Hirayasu Y; Sekine M; Okubo Y; Motoshita M; Ohta K; Uchiyama M; Kojima T, 2012, 'Relationships between exploratory eye movement dysfunction and clinical symptoms in schizophrenia', Psychiatry and Clinical Neurosciences, 66, pp. 187 - 194, http://dx.doi.org/10.1111/j.1440-1819.2011.02314.x

Takahashi H; Sassa T; Shibuya T; Kato M; Koeda M; Murai T; Matsuura M; Asai K; Suhara T; Okubo Y, 2012, 'Effects of sports participation on psychiatric symptoms and brain activations during sports observation in schizophrenia', Translational Psychiatry, 2, http://dx.doi.org/10.1038/tp.2012.22

Takahashi H; Takano H; Camerer CF; Ideno T; Okubo S; Matsui H; Tamari Y; Takemura K; Arakawa R; Kodaka F; Yamada M; Eguchi Y; Murai T; Okubo Y; Kato M; Ito H; Suhara T, 2012, 'Honesty mediates the relationship between serotonin and reaction to unfairness', Proceedings of the National Academy of Sciences of the United States of America, 109, pp. 4281 - 4284, http://dx.doi.org/10.1073/pnas.1118687109

Okubo Y, 2012, 'Molecular imaging of psychotropic drug action', Japanese Journal of Clinical Pharmacology and Therapeutics, 43, pp. 147 - 150, http://dx.doi.org/10.3999/jscpt.43.147

Osuka Y; Yabushita N; Kim M-J; Seino S; Matsuo T; Okubo Y; Nemoto M; Jung S; Okura T; Tanaka K, 2012, 'Cross-sectional analysis of low fitness status as an indicator of physical frailty and quantity of exercise in community-dwelling older women', Taiikugaku kenkyu (Japan Journal of Physical Education, Health and Sport Sciences), 57, pp. 9 - 19, http://dx.doi.org/10.5432/jjpehss.11046

Sairenchi T; Iso H; Yamagishi K; Irie F; Okubo Y; Gunji J; Muto T; Ota H, 2011, 'Mild retinopathy is a risk factor for cardiovascular mortality in Japanese with and without hypertension the Ibaraki Prefectural Health Study', Circulation, 124, pp. 2502 - 2511, http://dx.doi.org/10.1161/CIRCULATIONAHA.111.049965

Ueda S; Sakayori T; Yamaoka N; Okubo Y, 2011, 'Successful switching from sine-wave to pulse-wave with oral theophylline the night before electroconvulsive therapy for depression', Psychiatry and Clinical Neurosciences, 65, pp. 604 - 605, http://dx.doi.org/10.1111/j.1440-1819.2011.02250.x

Adachi N; Onuma T; Kato M; Ito M; Akanuma N; Hara T; Oana Y; Okubo Y; Matsuura M, 2011, 'Analogy between psychosis antedating epilepsy and epilepsy antedating psychosis', Epilepsia, 52, pp. 1239 - 1244, http://dx.doi.org/10.1111/j.1528-1167.2011.03039.x

Ueda S; Koyama K; Kocha H; Okubo Y, 2011, '[Dementia with Lewy bodies (DLB) accompanied by symptoms of late catatonia: what to consider and how to treat].', Seishin Shinkeigaku Zasshi Psychiatria Et Neurologia Japonica, 113, pp. 144 - 156

Marutani T; Yahata N; Ikeda Y; Ito T; Yamamoto M; Matsuura M; Matsushima E; Okubo Y; Suzuki H; Matsuda T, 2011, 'Functional magnetic resonance imaging study on the effects of acute single administration of paroxetine on motivation-related brain activity', Psychiatry and Clinical Neurosciences, 65, pp. 191 - 198, http://dx.doi.org/10.1111/j.1440-1819.2011.02189.x

Tateno A; Okubo Y, 2011, '[Amyloid PET imaging with [18F]AV-45].', Nihon Rinsho Japanese Journal of Clinical Medicine, 69 Suppl 8, pp. 561 - 564

Okubo Y; Seino S; Yabushita N; Matsuo T; Osuka Y; Kim MJ; Jung S; Nemoto M; Otsuki N; Tanaka K, 2011, 'Association between habitual walking and multiple or injurious falls among community-dwelling older adults ∼ difference by risk of falling ∼', Japanese Journal of Physical Fitness and Sports Medicine, 60, pp. 239 - 248, http://dx.doi.org/10.7600/jspfsm.60.239

Sekine M; Maeda J; Shimada H; Nogami T; Arakawa R; Takano H; Higuchi M; Ito H; Okubo Y; Suhara T, 2011, 'Central nervous system drug evaluation using positron emission tomography', Clinical Psychopharmacology and Neuroscience, 9, pp. 9 - 16, http://dx.doi.org/10.9758/cpn.2011.9.1.9

Seino S; Kim MJ; Yabushita N; Matsuo T; Jung S; Nemoto M; Osuka Y; Okubo Y; Okura T; Tanaka K, 2011, 'Discrimination of mobility limitation by hand-grip strength among community-dwelling older adults', Japanese Journal of Physical Fitness and Sports Medicine, 60, pp. 259 - 268, http://dx.doi.org/10.7600/jspfsm.60.259

Nemoto M; Yabushita N; Seino S; Kim MJ; Matsuo T; Jung S; Osuka Y; Okubo Y; Tanaka K, 2011, 'Identification of the physical function of frail older adults and effectivity of the health check-up questionnaire (Kihon check-list)', Japanese Journal of Physical Fitness and Sports Medicine, 60, pp. 413 - 422, http://dx.doi.org/10.7600/jspfsm.60.413

Takahashi H; Matsui H; Camerer C; Takano H; Kodaka F; Ideno T; Okubo S; Takemura K; Arakawa R; Eguchi Y; Murai T; Okubo Y; Kato M; Ito H; Suhara T, 2010, 'Dopamine D1 receptors and nonlinear probability weighting in risky choice', Journal of Neuroscience, 30, pp. 16567 - 16572, http://dx.doi.org/10.1523/JNEUROSCI.3933-10.2010

Matsumoto R; Ito H; Takahashi H; Ando T; Fujimura Y; Nakayama K; Okubo Y; Obata T; Fukui K; Suhara T, 2010, 'Reduced gray matter volume of dorsal cingulate cortex in patients with obsessive-compulsive disorder: A voxel-based morphometric study', Psychiatry and Clinical Neurosciences, 64, pp. 541 - 547, http://dx.doi.org/10.1111/j.1440-1819.2010.02125.x

Karibe H; Arakawa R; Tateno A; Mizumura S; Okada T; Ishii T; Oshima K; Ohtsu M; Hasegawa I; Okubo Y, 2010, 'Regional cerebral blood flow in patients with orally localized somatoform pain disorder: A single photon emission computed tomography study', Psychiatry and Clinical Neurosciences, 64, pp. 476 - 482, http://dx.doi.org/10.1111/j.1440-1819.2010.02119.x

Arakawa R; Okumura M; Ito H; Takano A; Takahashi H; Takano H; Maeda J; Okubo Y; Suhara T, 2010, 'Positron emission tomography measurement of dopamine D2 receptor occupancy in the pituitary and cerebral cortex: Relation to antipsychotic-induced hyperprolactinemia', Journal of Clinical Psychiatry, 71, pp. 1131 - 1137, http://dx.doi.org/10.4088/JCP.08m04307yel

Koeda M; Tateno A; Ishizaka K; Saijo T; Okubo Y, 2010, 'Working memory processing for human voice perception in a patient with mild cognitive impairment: An fMRI study', Journal of Nippon Medical School, 77, pp. 188 - 189, http://dx.doi.org/10.1272/jnms.77.188

Takano A; Arakawa R; Ito H; Tateno A; Takahashi H; Matsumoto R; Okubo Y; Suhara T, 2010, 'Peripheral benzodiazepine receptors in patients with chronic schizophrenia: A PET study with [11C]DAA1106', International Journal of Neuropsychopharmacology, 13, pp. 943 - 950, http://dx.doi.org/10.1017/S1461145710000313

Adachi N; Akanuma N; Ito M; Kato M; Hara T; Oana Y; Matsuura M; Okubo Y; Onuma T, 2010, 'Authors' reply', British Journal of Psychiatry, 197, pp. 76, http://dx.doi.org/10.1192/bjp.197.1.76

Saijo T; Takano A; Suhara T; Arakawa R; Okumura M; Ichimiya T; Ito H; Okubo Y, 2010, 'Effect of electroconvulsive therapy on 5-HT1A receptor binding in patients with depression: A PET study with [11C]WAY 100635', International Journal of Neuropsychopharmacology, 13, pp. 785 - 791, http://dx.doi.org/10.1017/S1461145709991209

Takahashi H; Kato M; Sassa T; Shibuya T; Koeda M; Yahata N; Matsuura M; Asai K; Suhara T; Okubo Y, 2010, 'Functional deficits in the extrastriate body area during observation of sports-related actions in schizophrenia', Schizophrenia Bulletin, 36, pp. 642 - 647, http://dx.doi.org/10.1093/schbul/sbn132

Saijo T; Takano A; Suhara T; Arakawa R; Okumura M; Ichimiya T; Ito H; Okubo Y, 2010, 'Electroconvulsive therapy decreases dopamine D2 receptor binding in the anterior cingulate in patients with depression: A controlled study using positron emission tomography with radioligand [11C]FLB 457', Journal of Clinical Psychiatry, 71, pp. 793 - 799, http://dx.doi.org/10.4088/JCP.08m04746blu

Arakawa R; Ito H; Okumura M; Takano A; Takahashi H; Takano H; Okubo Y; Suhara T, 2010, 'Extrastriatal dopamine D2 receptor occupancy in olanzapine-treated patients with schizophrenia', European Archives of Psychiatry and Clinical Neuroscience, 260, pp. 345 - 350, http://dx.doi.org/10.1007/s00406-009-0082-5

Ueda S; Koyama K; Okubo Y, 2010, 'Marked improvement of psychotic symptoms after electroconvulsive therapy in parkinson disease', Journal of ECT, 26, pp. 111 - 115, http://dx.doi.org/10.1097/YCT.0b013e3181c18a3d

Sekine M; Arakawa R; Ito H; Okumura M; Sasaki T; Takahashi H; Takano H; Okubo Y; Halldin C; Suhara T, 2010, 'Norepinephrine transporter occupancy by antidepressant in human brain using positron emission tomography with (S,S)-[18F]FMeNER-D 2', Psychopharmacology, 210, pp. 331 - 336, http://dx.doi.org/10.1007/s00213-010-1824-9

Ikeda Y; Yahata N; Takahashi H; Koeda M; Asai K; Okubo Y; Suzuki H, 2010, 'Cerebral activation associated with speech sound discrimination during the diotic listening task: An fMRI study', Neuroscience Research, 67, pp. 65 - 71, http://dx.doi.org/10.1016/j.neures.2010.02.006

Kosaka J; Takahashi H; Ito H; Takano A; Fujimura Y; Matsumoto R; Nozaki S; Yasuno F; Okubo Y; Kishimoto T; Suhara T, 2010, 'Decreased binding of [11C]NNC112 and [11C]SCH23390 in patients with chronic schizophrenia', Life Sciences, 86, pp. 814 - 818, http://dx.doi.org/10.1016/j.lfs.2010.03.018

Arakawa R; Ito H; Takano A; Okumura M; Takahashi H; Takano H; Okubo Y; Suhara T, 2010, 'Dopamine D2 receptor occupancy by perospirone: A positron emission tomography study in patients with schizophrenia and healthy subjects', Psychopharmacology, 209, pp. 285 - 290, http://dx.doi.org/10.1007/s00213-010-1783-1

Watari M; Hamazaki K; Hirata T; Hamazaki T; Okubo Y, 2010, 'Hostility of drug-free patients with schizophrenia and n-3 polyunsaturated fatty acid levels in red blood cells', Psychiatry Research, 177, pp. 22 - 26, http://dx.doi.org/10.1016/j.psychres.2010.02.016

Adachi N; Akanuma N; Ito M; Kato M; Hara T; Oana Y; Matsuura M; Okubo Y; Onuma T, 2010, 'Epileptic, organic and genetic vulnerabilities for timing of the development of interictal psychosis', British Journal of Psychiatry, 196, pp. 212 - 216, http://dx.doi.org/10.1192/bjp.bp.108.056721

Takahashi H; Takano H; Kodaka F; Arakawa R; Yamada M; Otsuka T; Hirano Y; Kikyo H; Okubo Y; Kato M; Obata T; Ito H; Suhara T, 2010, 'Contribution of dopamine D1 and D2 receptors to amygdala activity in human', Journal of Neuroscience, 30, pp. 3043 - 3047, http://dx.doi.org/10.1523/JNEUROSCI.5689-09.2010

Hirayasu Y; Kawanishi C; Yonemoto N; Ishizuka N; Okubo Y; Sakai A; Kishimoto T; Miyaoka H; Otsuka K; Kamijo Y; Matsuoka Y; Aruga T, 2009, 'A randomized controlled multicenter trial of post-suicide attempt case management for the prevention of further attempts in Japan (ACTION-J)', BMC Public Health, 9, http://dx.doi.org/10.1186/1471-2458-9-364

Arakawa R; Ichimiya T; Ito H; Takano A; Okumura M; Takahashi H; Takano H; Yasuno F; Kato M; Okubo Y; Suhara T, 2009, 'Increase in thalamic binding of [11C]PE2I in patients with schizophrenia: A positron emission tomography study of dopamine transporter', Journal of Psychiatric Research, 43, pp. 1219 - 1223, http://dx.doi.org/10.1016/j.jpsychires.2009.04.009

Takahashi H; Ideno T; Okubo S; Matsui H; Takemura K; Matsuura M; Kato M; Okubo Y, 2009, 'Impact of changing the Japanese term for "schizophrenia" for reasons of stereotypical beliefs of schizophrenia in Japanese youth', Schizophrenia Research, 112, pp. 149 - 152, http://dx.doi.org/10.1016/j.schres.2009.03.037

Suzuki M; Takahashi S; Matsushima E; Tsunoda M; Kurachi M; Okada T; Hayashi T; Ishii Y; Morita K; Maeda H; Katayama S; Kawahara R; Otsuka T; Hirayasu Y; Sekine M; Okubo Y; Motoshita M; Ohta K; Uchiyama M; Kojima T, 2009, 'Exploratory eye movement dysfunction as a discriminator for schizophrenia: A large sample study using a newly developed digital computerized system', European Archives of Psychiatry and Clinical Neuroscience, 259, pp. 186 - 194, http://dx.doi.org/10.1007/s00406-008-0850-7

Hara K; Adachi N; Matsuura M; Hara T; Oana Y; Okubo Y; Muramatsu R; Kato M; Onuma T, 2009, 'Handedness in epilepsy patients with psychosis', Journal of the Japan Epilepsy Society, 26, pp. 403 - 410, http://dx.doi.org/10.3805/jjes.26.403

Nozaki S; Kato M; Takano H; Ito H; Takahashi H; Arakawa R; Okumura M; Fujimura Y; Matsumoto R; Ota M; Takano A; Otsuka A; Yasuno F; Okubo Y; Kashima H; Suhara T, 2009, 'Regional dopamine synthesis in patients with schizophrenia using L-[β-11C]DOPA PET', Schizophrenia Research, 108, pp. 78 - 84, http://dx.doi.org/10.1016/j.schres.2008.11.006

Takahashi H; Kato M; Matsuura M; Mobbs D; Suhara T; Okubo Y, 2009, 'When your gain is my pain and your pain is my gain: Neural correlates of envy and schadenfreude', Science, 323, pp. 937 - 939, http://dx.doi.org/10.1126/science.1165604

Ito T; Okubo Y; Roth A, 2009, 'Efficacy of mirtazapine for appetite loss and nausea of the cancer patient - From clinical experience in Memorial Sloan-Kettering Cancer Center', Japanese Journal of Cancer and Chemotherapy, 36, pp. 623 - 625

Takahashi H; Kato M; Takano H; Arakawa R; Okumura M; Otsuka T; Kodaka F; Hayashi M; Okubo Y; Ito H; Suhara T, 2008, 'Differential contributions of prefrontal and hippocampal dopamine D 1 and D2 receptors in human cognitive functions', Journal of Neuroscience, 28, pp. 12032 - 12038, http://dx.doi.org/10.1523/JNEUROSCI.3446-08.2008

Okumura M; Arakawa R; Ito H; Seki C; Takahashi H; Takano H; Haneda E; Nakao R; Suzuki H; Suzuki K; Okubo Y; Suhara T, 2008, 'Quantitative analysis of NK1 receptor in the human brain using PET with18F-FE-SPA-RQ', Journal of Nuclear Medicine, 49, pp. 1749 - 1755, http://dx.doi.org/10.2967/jnumed.108.054353

Takahashi H; Kato M; Matsuura M; Koeda M; Yahata N; Suhara T; Okubo Y, 2008, 'Neural correlates of human virtue judgment', Cerebral Cortex, 18, pp. 1886 - 1891, http://dx.doi.org/10.1093/cercor/bhm214

Arakawa R; Okumura M; Ito H; Seki C; Takahashi H; Takano H; Nakao R; Suzuki K; Okubo Y; Halldin C; Suhara T, 2008, 'Quantitative analysis of norepinephrine transporter in the human brain using PET with (S,S)-18F-FMeNER-D2', Journal of Nuclear Medicine, 49, pp. 1270 - 1276, http://dx.doi.org/10.2967/jnumed.108.051292

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