By Dr Yoshiro Okubo

Journal articles

Ikeda Y; Funayama T; Tateno A; Fukayama H; Okubo Y; Suzuki H, 2019, 'Bupropion increases activation in nucleus accumbens during anticipation of monetary reward', Psychopharmacology, 236, pp. 3655 - 3665, http://dx.doi.org/10.1007/s00213-019-05337-6

Hirase T; Makizako H; Okubo Y; Lord SR; Inokuchi S; Okita M, 2019, 'Chronic pain is independently associated with social frailty in community-dwelling older adults', Geriatrics and Gerontology International, 19, pp. 1153 - 1156, http://dx.doi.org/10.1111/ggi.13785

Okubo Y; Sturnieks DL; Brodie MA; Duran L; Lord SR; Newman A, 2019, 'Effect of Reactive Balance Training Involving Repeated Slips and Trips on Balance Recovery among Older Adults: A Blinded Randomized Controlled Trial', Journals of Gerontology - Series A Biological Sciences and Medical Sciences, 74, pp. 1489 - 1496, http://dx.doi.org/10.1093/gerona/glz021

Okubo Y; Brodie MA; Sturnieks DL; Hicks C; Lord SR, 2019, 'A pilot study of reactive balance training using trips and slips with increasing unpredictability in young and older adults: Biomechanical mechanisms, falls and clinical feasibility', Clinical Biomechanics, 67, pp. 171 - 179, http://dx.doi.org/10.1016/j.clinbiomech.2019.05.016

Suzuki C; Ikeda Y; Tateno A; Okubo Y; Fukayama H; Suzuki H, 2019, 'Acute atomoxetine selectively modulates encoding of reward value in ventral medial prefrontal cortex', Journal of Nippon Medical School, 86, pp. 98 - 107, http://dx.doi.org/10.1272/jnms.JNMS.2019_86-205

Pang I; Okubo Y; Sturnieks D; Lord SR; Brodie MA, 2019, 'Detection of Near Falls Using Wearable Devices: A Systematic Review', Journal of Geriatric Physical Therapy, 42, pp. 48 - 56, http://dx.doi.org/10.1519/JPT.0000000000000181

Karibe H; Koeda M; Aoyagi-Naka K; Kato Y; Tateno A; Suzuki H; Okubo Y, 2019, 'Differences in the perception of dental sounds: A preliminary study', Patient Preference and Adherence, 13, pp. 1051 - 1056, http://dx.doi.org/10.2147/PPA.S204465

Asari Y; Ikeda Y; Tateno A; Okubo Y; Iijima T; Suzuki H, 2018, 'Acute tramadol enhances brain activity associated with reward anticipation in the nucleus accumbens', Psychopharmacology, 235, pp. 2631 - 2642, http://dx.doi.org/10.1007/s00213-018-4955-z

Okubo Y; Brodie MA; Sturnieks DL; Hicks C; Carter H; Toson B; Lord SR, 2018, 'Exposure to trips and slips with increasing unpredictability while walking can improve balance recovery responses with minimum predictive gait alterations', PLoS ONE, 13, pp. e0202913, http://dx.doi.org/10.1371/journal.pone.0202913

Okubo Y; Nemoto M; Osuka Y; Jung S; Seino S; Figueroa R; Vinyes-Pares G; Offord EA; Shevlyakova M; Breuille D; Tanaka K, 2018, 'Development of the Nutrition and Functionality Assessment (NFA) Among Older Adults in Japan', Journal of Frailty and Aging, 7, pp. 187 - 192, http://dx.doi.org/10.14283/jfa.2017.38

Shigematsu R; Jung S; Okubo Y; Osuka Y; Tanaka K, 2018, 'A mailing program after exercise classes for community-dwelling older adults:', Taiikugaku kenkyu (Japan Journal of Physical Education, Health and Sport Sciences), 63, pp. 171 - 184, http://dx.doi.org/10.5432/jjpehss.17001

Tateno A; Sakayori T; Kim WC; Honjo K; Nakayama H; Arakawa R; Okubo Y, 2018, 'Comparison of dopamine D3 and D2 receptor occupancies by a single dose of blonanserin in healthy subjects: A positron emission tomography study with [¹¹C]-(+)-PHNO', International Journal of Neuropsychopharmacology, 21, pp. 522 - 527, http://dx.doi.org/10.1093/ijnp/pyy004

Tiger M; Varnäs K; Okubo Y; Lundberg J, 2018, 'The 5-HT 1B receptor - a potential target for antidepressant treatment', Psychopharmacology, 235, pp. 1317 - 1334, http://dx.doi.org/10.1007/s00213-018-4872-1

Akiyama T; Koeda M; Okubo Y; Kimura M, 2018, 'Hypofunction of left dorsolateral prefrontal cortex in depression during verbal fluency task: A multi-channel near-infrared spectroscopy study', Journal of Affective Disorders, 231, pp. 83 - 90, http://dx.doi.org/10.1016/j.jad.2018.01.010

Jung S; Okubo Y; Osuka Y; Seino S; Park J; Nho H; Tanaka K, 2018, 'Older Korean adults have lower physical function despite longer exercise times compared to their Japanese counterparts: A Japan-Korea comparative study', Geriatrics and Gerontology International, 18, pp. 576 - 583, http://dx.doi.org/10.1111/ggi.13218

Valenzuela T; Okubo Y; Woodbury A; Lord SR; Delbaere K; Valenzuela Arteaga T, 2018, 'Adherence to Technology-Based Exercise Programs in Older Adults: A Systematic Review', Journal of Geriatric Physical Therapy, 41, pp. 49 - 61, http://dx.doi.org/10.1519/JPT.0000000000000095

Brodie MA; Okubo Y; Sturnieks DL; Lord SR, 2018, 'Optimizing successful balance recovery from unexpected trips and slips', Journal of Biomechanical Science and Engineering, 13, pp. 17 - 00558, http://dx.doi.org/10.1299/jbse.17-00558

Kawanishi C; Ishii T; Yonemoto N; Yamada M; Tachikawa H; Kishimoto T; Tsujii N; Hashimoto S; Kinoshita T; Mimura M; Okubo Y; Otsuka K; Yoshimura R, 2018, 'Protocol for a prospective multicentre registry cohort study on suicide attempters given the assertive case management intervention after admission to an emergency department in Japan: Post-ACTION-J Study (PACS)', BMJ Open, 8, http://dx.doi.org/10.1136/bmjopen-2017-020517

Shoda C; Kitagawa Y; Shimada H; Yuzawa M; Tateno A; Okubo Y, 2018, 'Relationship of Area of Soft Drusen in Retina with Cerebral Amyloid-β Accumulation and Blood Amyloid-β Level in the Elderly', Journal of Alzheimer's Disease, 62, pp. 239 - 245, http://dx.doi.org/10.3233/JAD-170956

Okubo Y; Nemoto M; Osuka Y; Jung S; Seino S; Figueroa R; Vinyes-Pares G; Offord EA; Shevlyakova M; Brueille D; Tanaka K, 2018, 'Development of the Nutrition and Functionality Assessment (NFA) among Older Adults in Japan.', The Journal of frailty & aging, 7, pp. 187 - 192, http://dx.doi.org/10.14283/jfa.2017.38.

Okubo Y; Brodie M; Sturnieks D; Hicks C; Carter H; Toson B; Lord S, 2018, 'Exposure to unpredictable trips and slips while walking can improve balance recovery responses with minimum predictive gait alterations', , http://dx.doi.org/10.1101/333989

Kubota M; Nagashima T; Takano H; Kodaka F; Fujiwara H; Takahata K; Moriguchi S; Kimura Y; Higuchi M; Okubo Y; Takahashi H; Ito H; Suhara T, 2017, 'Affinity states of striatal dopamine D2 receptors in antipsychotic-free patients with schizophrenia', International Journal of Neuropsychopharmacology, 20, pp. 928 - 935, http://dx.doi.org/10.1093/ijnp/pyx063

Kawai A; Kurita M; Nishino S; Hirata E; Sato T; Okubo Y, 2017, 'Need for medication to complement catecholamines in smoking cessation of hardcore smokers', Neuropsychiatric Disease and Treatment, 13, pp. 2419 - 2424, http://dx.doi.org/10.2147/NDT.S144181

Osuka Y; Jung S; Kim T; Okubo Y; Kim E; Tanaka K, 2017, 'Does attending an exercise class with a spouse improve long-term exercise adherence among people aged 65 years and older: A 6-month prospective follow-up study', BMC Geriatrics, 17, http://dx.doi.org/10.1186/s12877-017-0554-9

Ikeda Y; Funayama T; Tateno A; Fukayama H; Okubo Y; Suzuki H, 2017, 'Modafinil enhances alerting-related brain activity in attention networks', Psychopharmacology, 234, pp. 2077 - 2089, http://dx.doi.org/10.1007/s00213-017-4614-9

Okubo Y; Menant J; Udyavar M; Brodie MA; Barry BK; Lord SR; L Sturnieks D; Sturnieks D, 2017, 'Transfer effects of step training on stepping performance in untrained directions in older adults: A randomized controlled trial', Gait and Posture, 54, pp. 50 - 55, http://dx.doi.org/10.1016/j.gaitpost.2017.02.014

Okubo Y; Schoene D; Lord SR, 2017, 'Step training improves reaction time, gait and balance and reduces falls in older people: A systematic review and meta-analysis', British Journal of Sports Medicine, 51, pp. 586 - 593, http://dx.doi.org/10.1136/bjsports-2015-095452

Brodie MA; Okubo Y; Annegarn J; Wieching R; Lord SR; Delbaere K, 2017, 'Disentangling the health benefits of walking from increased exposure to falls in older people using remote gait monitoring and multi-dimensional analysis', Physiological Measurement, 38, pp. 45 - 62, http://dx.doi.org/10.1088/1361-6579/38/1/45

Tateno A; Sakayori T; Kim WC; Koeda M; Kumita S; Suzuki H; Okubo Y, 2017, 'Effect of apolipoprotein E phenotype on the association of plasma amyloid β and amyloid positron emission tomography imaging in Japan', Alzheimer's and Dementia: Diagnosis, Assessment and Disease Monitoring, 9, pp. 51 - 56, http://dx.doi.org/10.1016/j.dadm.2017.08.002

Osuka Y; Jung S; Kim T; Okubo Y; Kim E; Tanaka K, 2017, 'Influence of sharing exercise classes with spouses on marital relationship satisfaction in older adults', Taiikugaku kenkyu (Japan Journal of Physical Education, Health and Sport Sciences), 62, pp. 71 - 81, http://dx.doi.org/10.5432/jjpehss.16093

Kurita M; Moriya T; Nishino S; Hirata E; Hirasawa N; Okubo Y; Sato T, 2016, 'Non-24-hour sleep–wake syndrome improved by low-dose valproic acid: A case report', Neuropsychiatric Disease and Treatment, 12, pp. 3199 - 3203, http://dx.doi.org/10.2147/NDT.S115648

Kawashima Y; Nishi D; Noguchi H; Usuki M; Yamashita A; Koido Y; Okubo Y; Matsuoka YJ, 2016, 'Post-traumatic stress symptoms and burnout among medical rescue workers 4 years after the Great East Japan Earthquake: A longitudinal study', Disaster Medicine and Public Health Preparedness, 10, pp. 848 - 853, http://dx.doi.org/10.1017/dmp.2016.83

Arakawa R; Tateno A; Kim WC; Sakayori T; Ogawa K; Okubo Y, 2016, 'Time-course of serotonin transporter occupancy by single dose of three SSRIs in human brain: A positron emission tomography study with [¹¹C]DASB', Psychiatry Research - Neuroimaging, 251, pp. 1 - 6, http://dx.doi.org/10.1016/j.pscychresns.2016.03.006

Takeyoshi K; Kurita M; Nishino S; Teranishi M; Numata Y; Sato T; Okubo Y, 2016, 'Yokukansan improves behavioral and psychological symptoms of dementia by suppressing dopaminergic function', Neuropsychiatric Disease and Treatment, 12, pp. 641 - 649, http://dx.doi.org/10.2147/NDT.S99032

Ueda S; Sakayori T; Omori A; Fukuta H; Kobayashi T; Ishizaka K; Saijo T; Okubo Y, 2016, 'Neuroleptic-induced deficit syndrome in bipolar disorder with psychosis', Neuropsychiatric Disease and Treatment, 12, pp. 265 - 268, http://dx.doi.org/10.2147/NDT.S99577

Ueda S; Omori A; Shioya T; Okubo Y, 2016, 'Antipsychotics can induce pre-shock in very elderly patients: A report of two cases', Psychogeriatrics, 16, pp. 73 - 75, http://dx.doi.org/10.1111/psyg.12119

Jung S; Yabushita N; Kim M; Seino S; Nemoto M; Osuka Y; Okubo Y; Figueroa R; Tanaka K, 2016, 'Obesity and muscle weakness as risk factors for mobility limitation in community-dwelling older Japanese women: A two-year follow-up investigation', Journal of Nutrition, Health and Aging, 20, pp. 28 - 34, http://dx.doi.org/10.1007/s12603-016-0672-7

Okubo Y; Osuka Y; Jung S; Rafael F; Tsujimoto T; Aiba T; Kim T; Tanaka K, 2016, 'Walking can be more effective than balance training in fall prevention among community-dwelling older adults', Geriatrics and Gerontology International, 16, pp. 118 - 125, http://dx.doi.org/10.1111/ggi.12444

Jung S; Yabushita N; Kim M; Seino S; Nemoto M; Osuka Y; Okubo Y; Figueroa R; Tanaka K, 2016, 'Obesity and muscle weakness as risk factors for mobility limitation in community-dwelling older Japanese women: A two-year follow-up investigation', The Journal of nutrition, health and aging, 20, pp. 28 - 34, http://dx.doi.org/10.1007/s12603-016-0672-7

Ikoma Y; Sasaki T; Kimura Y; Seki C; Okubo Y; Suhara T; Ito H, 2015, 'Evaluation of semi-quantitative method for quantification of dopamine transporter in human PET study with ¹⁸F-FE-PE2I', Annals of Nuclear Medicine, 29, pp. 697 - 708, http://dx.doi.org/10.1007/s12149-015-0993-3

Namiki C; Takita Y; Iwata A; Momose T; Senda M; Okubo Y; Joshi AD; Lu M; Agbulos A; Breault C; Pontecorvo MJ, 2015, 'Imaging characteristics and safety of florbetapir (¹⁸F) in Japanese healthy volunteers, patients with mild cognitive impairment and patients with Alzheimer’s disease', Annals of Nuclear Medicine, 29, pp. 570 - 581, http://dx.doi.org/10.1007/s12149-015-0978-2

Tateno A; Sakayori T; Higuchi M; Suhara T; Ishihara K; Kumita S; Suzuki H; Okubo Y, 2015, 'Amyloid imaging with [¹⁸F]florbetapir in geriatric depression: Early-onset versus late-onset', International Journal of Geriatric Psychiatry, 30, pp. 720 - 728, http://dx.doi.org/10.1002/gps.4215

Asami T; Yanase M; Nomura T; Okubo Y, 2015, 'Treatment for female patients with eating disorders in the largest medical prison in Japan', BioPsychoSocial Medicine, 9, http://dx.doi.org/10.1186/s13030-015-0040-6

Tateno A; Sakayori T; Kawashima Y; Higuchi M; Suhara T; Mizumura S; Mintun MA; Skovronsky DM; Honjo K; Ishihara K; Kumita S; Suzuki H; Okubo Y, 2015, 'Comparison of imaging biomarkers for Alzheimer's disease: Amyloid imaging with [¹⁸F]florbetapir positron emission tomography and magnetic resonance imaging voxel-based analysis for entorhinal cortex atrophy', International Journal of Geriatric Psychiatry, 30, pp. 505 - 513, http://dx.doi.org/10.1002/gps.4173

Shimoda K; Kimura M; Yokota M; Okubo Y, 2015, 'Comparison of regional gray matter volume abnormalities in Alzheimer's disease and late life depression with hippocampal atrophy using VSRAD analysis: A voxel-based morphometry study', Psychiatry Research - Neuroimaging, 232, pp. 71 - 75, http://dx.doi.org/10.1016/j.pscychresns.2015.01.018

Koeda M; Watanabe A; Tsuda K; Matsumoto M; Ikeda Y; Kim W; Tateno A; Naing BT; Karibe H; Shimada T; Suzuki H; Matsuura M; Okubo Y, 2015, 'Interaction effect between handedness and CNTNAP2 polymorphism (rs7794745 genotype) on voice-specific frontotemporal activity in healthy individuals: An fMRI study', Frontiers in Behavioral Neuroscience, 9, http://dx.doi.org/10.3389/fnbeh.2015.00087

Figueroa R; Seino S; Yabushita N; Okubo Y; Nemoto M; Jung S; Tanaka K, 2015, 'Cross-Validity and Reliability of the Age Scale for Assessing Activities of Daily Living among Japanese Community-Dwelling Adults Aged 75 Years or Older', Journal of Aging and Gerontology, 3, pp. 17 - 23, http://dx.doi.org/10.12974/2309-6128.2015.03.01.3

Osuka Y; Yabushita N; Kim M; Seino S; Nemoto M; Jung S; Okubo Y; Figueroa R; Tanaka K, 2015, 'Association between habitual light-intensity physical activity and lower-extremity performance: A cross-sectional study of community-dwelling older Japanese adults', Geriatrics and Gerontology International, 15, pp. 268 - 275, http://dx.doi.org/10.1111/ggi.12268

Kurita M; Nishino S; Numata Y; Okubo Y; Sato T, 2015, 'The noradrenaline metabolite MHPG is a candidate biomarker between the depressive, remission, and manic states in bipolar disorder I: Two long-term naturalistic case reports', Neuropsychiatric Disease and Treatment, 11, pp. 353 - 358, http://dx.doi.org/10.2147/NDT.S74550

Figueroa R; Seino S; Yabushita N; Okubo Y; Osuka Y; Nemoto M; Jung S; Tanaka K, 2015, 'Age Scale for Assessing Activities of Daily Living', International Journal of Statistics in Medical Research, 4, pp. 48 - 56, http://dx.doi.org/10.6000/1929-6029.2015.04.01.5

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