Research Areas
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Life Science / Psychiatry
Papers
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Suicide attempt by a patient with an early phase of progressive supranuclear palsy: a case report, BMC NEUROLOGY, 26(1) , 2026.02
Kawai, S; Kobayashi, R; Sakamoto, K; Nemoto, K; Morioka, D; Numazawa, T; Kawakatsu, S; Ohta, Y; Suzuki, A
Single Author
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Clinical Characteristics of Older Adults With Late-Onset Suicide Attempts: A Hospital-Based Retrospective Study, PSYCHOGERIATRICS, 25(4) e70063, 2025.07
Morioka, D; Kobayashi, R; Sakamoto, K; Shirata, T; Kobayashi, T; Suzuki, A
Single Author
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Impact of Neuropsychiatric Symptoms on Caregiver Burden of People With Dementia With Lewy Bodies: A Multicentre Prospective Longitudinal Study, PSYCHOGERIATRICS, 25(4) e70051, 2025.07
Hayashi, H; Kobayashi, R; Shibuya, Y; Aso, S; Morioka, D; Sakamoto, K; Kimura, M; Sone, T; Iokawa, K; Suzuki, A; Kawakatsu, S
Single Author
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A decline in financial literacy potentially associated with the development of neuropsychiatric symptoms: a case report, PSYCHOGERIATRICS, 25(1) e13240, 2025.01
Kobayashi, R; Sakamoto, K; Morioka, D; Suzuki, A
Single Author
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Online gaming reduces psychological distress in a patient with schizophrenia: A case report, PSYCHIATRY AND CLINICAL NEUROSCIENCES REPORTS, 3(3) e70015, 2024.09
Sakamoto, K; Kobayashi, R; Morioka, D; Abiko, C; Kimura, M; Suzuki, A
Single Author
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Effects of right unilateral ultra-brief pulse electroconvulsive therapy in a depressed patient with dementia with Lewy bodies: a longitudinal case report, PSYCHOGERIATRICS, 24(4) 1030-1032, 2024.07
Yamaguchi, Y; Kobayashi, R; Muraosa, H; Numazawa, T; Morioka, D; Sakamoto, K; Suzuki, A
Single Author
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Difficulties in diagnosing phenoconversion to dementia in psychiatric-onset prodromal dementia with Lewy bodies Response, PSYCHOGERIATRICS, 24(3) 727-728, 2024.05
Kobayashi, R; Morioka, D; Kawakatsu, S; Sakamoto, K; Suzuki, A
Single Author
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Longitudinal changes in clinical symptoms and proposed biomarkers for prodromal dementia with Lewy bodies in an older patient with depression, PSYCHOGERIATRICS, 24(3) 719-721, 2024.05
Morioka, D; Kobayashi, R; Kawakatsu, S; Sakamoto, K; Suzuki, A
Single Author
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Application of Suggestive Biomarkers in Dementia With Lewy Bodies With Masking of Typical Clinical Symptoms by Alzheimer Disease-type Pathology, ALZHEIMER DISEASE & ASSOCIATED DISORDERS, 38(1) 95-97, 2024.01
Kobayashi, R; Morioka, D; Kawakatsu, S; Sakamoto, K; Suzuki, A
Single Author
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Prediction of Co-Occurrence of Lewy Body Disease with Alzheimer's Disease, JOURNAL OF ALZHEIMERS DISEASE REPORTS, 8(1) 609-614, 2024
Hashiguchi, K; Kobayashi, R; Morioka, D; Kawakatsu, S; Sakamoto, K; Matsuda, H; Suzuki, A
Single Author
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Micrographia after midbrain infarction alleviated by Japanese calligraphy-style writing: A case report, CLINICAL PARKINSONISM & RELATED DISORDERS, 10 100257, 2024
Sakamoto, K; Kim, K; Kobayashi, R; Yokoi, K; Morioka, D; Kawakatsu, S; Suzuki, A; Hirayama, K
Single Author
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Style changes before and after disease onset in the works of an ikebana (Japanese traditional flower arrangement) artist with semantic variant primary progressive aphasia, PSYCHIATRY AND CLINICAL NEUROSCIENCES, 77(8) 460-461, 2023.08
Morioka, D; Kobayashi, R; Kawakatsu, S; Sakamoto, K; Suzuki, A
Single Author
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Improved frontal activity on functional near-infrared spectroscopy after improvement of apathy symptoms in a patient with Alzheimer's disease, PSYCHOGERIATRICS, 23(4) 725-727, 2023.07
Hayashi, H; Kobayashi, R; Morioka, D; Suzuki, A; Kawakatsu, S
Single Author
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Effect of cerebrospinal fluid area mask correction on <SUP>123</SUP>I-FP-CIT SPECT images in idiopathic normal pressure hydrocephalus, BMC MEDICAL IMAGING, 23(1) , 2023.06
Ohba, M; Kobayashi, R; Iseki, C; Kirii, K; Morioka, D; Otani, K; Ohta, Y; Sonoda, Y; Suzuki, K; Kanoto, M
Single Author
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Fluctuation of dopamine transporter availability in psychiatric-onset dementia with Lewy bodies: the dilemma of treatment with antidepressants, PSYCHOGERIATRICS, 23(3) 553-555, 2023.05
Kobayashi, R; Kawakatsu, S; Morioka, D; Hayashi, H; Suzuki, A
Single Author
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In vivo [<SUP>18</SUP>F]THK-5351 imaging detected reactive astrogliosis in argyrophilic grain disease with comorbid pathology: A clinicopathological study, JOURNAL OF NEUROPATHOLOGY AND EXPERIMENTAL NEUROLOGY, 82(5) 427-437, 2023.04
Kobayashi, R; Nakamura, T; Naganuma, F; Harada, R; Morioka, D; Kanoto, M; Furumoto, S; Kudo, Y; Kabasawa, T; Otani, K; Futakuchi, M; Kawakatsu, S; Okamura, N
Single Author
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Clinicopathological diversity of semantic dementia: Comparisons of patients with early-onset versus late-onset, left-sided versus right-sided temporal atrophy, and TDP-type A versus type C pathology, NEUROPATHOLOGY, 43(1) 5-26, 2023.02
Kawakatsu, S; Kobayashi, R; Morioka, D; Hayashi, H; Utsunomiya, A; Kabasawa, T; Ohe, R; Futakuchi, M; Otani, K
Single Author
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Cotard syndrome during the withdrawal of high-dose antiparkinsonian drugs in a patient with Parkinson's disease, ASIAN JOURNAL OF PSYCHIATRY, 78 , 2022.12
Morioka, D; Kobayashi, R; Kawakatsu, S; Suzuki, A
Single Author
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Valosin-containing protein Asp395Gly mutation in a patient with frontotemporal dementia: a case report, BMC NEUROLOGY, 22(1) , 2022.11
Kobayashi, R; Naruse, H; Kawakatsu, S; Iseki, C; Suzuki, Y; Koyama, S; Morioka, D; Ishiura, H; Mitsui, J; Ohta, Y; Tsuji, S; Toda, T; Otani, K
Single Author
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Clonazepam-induced misidentification in prodromal dementia with Lewy bodies, PSYCHOGERIATRICS, 22(5) 767-769, 2022.09
Morioka, D; Kobayashi, R; Hayashi, H; Kawakatsu, S; Suzuki, A
Single Author
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Diversity of dopamine transporter images in frontotemporal lobar degeneration-motor neuron disease, PSYCHOGERIATRICS, 22(5) 771, 2022.09
Kobayashi, R; Kawakatsu, S; Morioka, D; Suzuki, A
Single Author
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Limbic-predominant age-related TDP-43 encephalopathy characterised by frontotemporal dementia-like behavioural symptoms, PSYCHOGERIATRICS, 22(4) 574-579, 2022.07
Kobayashi, R; Kawakatsu, S; Morioka, D; Hayashi, H; Utsunomiya, A; Kabasawa, T; Otani, K
Single Author
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Focal striatal amyloid deposition in Alzheimer's disease caused by <i>APP</i> p.V717I mutation: Longitudinal positron emission tomography study, GERIATRICS & GERONTOLOGY INTERNATIONAL, 22(4) 360-362, 2022.04
Kobayashi, R; Kawakatsu, S; Hayashi, H; Morioka, D; Hara, N; Ikeuchi, T; Otani, K
Single Author
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Dopamine Transporter Imaging for Frontotemporal Lobar Degeneration With Motor Neuron Disease, FRONTIERS IN NEUROSCIENCE, 16 , 2022.02
Kobayashi, R; Kawakatsu, S; Ohba, M; Morioka, D; Kanoto, M; Otani, K
Single Author
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Comparing Medial Temporal Atrophy Between Early-Onset Semantic Dementia and Early-Onset Alzheimer's Disease Using Voxel-Based Morphometry: A Multicenter MRI Study, CURRENT ALZHEIMER RESEARCH, 19(7) 503-510, 2022
Kobayashi, R; Hayashi, H; Kawakatsu, S; Shibuya, Y; Morioka, D; Ohba, M; Yoshioka, M; Sakamoto, K; Kanoto, M; Otani, K
Single Author
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Clinicopathological heterogeneity of Alzheimer's disease with pure Alzheimer's disease pathology: Cases associated with dementia with Lewy bodies, very early-onset dementia, and primary progressive aphasia, NEUROPATHOLOGY, 41(6) 427-449, 2021.12
Kawakatsu, S; Kobayashi, R; Hayashi, H; Morioka, D; Utsunomiya, A; Kabasawa, T; Ohe, R; Otani, K
Single Author
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Low-dose zolpidem-induced visual hallucinations in prodromal dementia with Lewy bodies, ASIAN JOURNAL OF PSYCHIATRY, 66 , 2021.12
Kobayashi, R; Morioka, D; Suzuki, A; Kawakatsu, S; Otani, K
Single Author
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Comparison of the decreases in regional cerebral blood flow in the posterior cingulate cortex, precuneus, and parietal lobe between suspected non-Alzheimer's disease pathophysiology and Alzheimer's disease, PSYCHOGERIATRICS, 21(5) 716-721, 2021.09
Hayashi, H; Kobayashi, R; Kawakatsu, S; Ohba, M; Morioka, D; Otani, K
Single Author
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Catatonia as the Initial Manifestation of Dementia with Lewy Bodies, AMERICAN JOURNAL OF CASE REPORTS, 22 , 2021.07
Saito, Y; Noto, K; Kobayashi, R; Suzuki, A; Morioka, D; Hayashi, H; Otani, K
Single Author
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Improvement of Somatic Delusions with Altered Regional Cerebral Blood Flow Following Electroconvulsive Therapy in a Patient with Schizoaffective Disorder, AMERICAN JOURNAL OF CASE REPORTS, 22 , 2021.03
Hayashi, H; Kobayashi, R; Morioka, D; Saito, Y; Toyoshima, T; Otani, K
Single Author
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Recognition of the coronavirus disease 2019 pandemic and face mask wearing in patients with Alzheimer's disease: an investigation at a medical centre for dementia in Japan, PSYCHOGERIATRICS, 20(6) 923-925, 2020.11
Kobayashi, R; Hayashi, H; Kawakatsu, S; Morioka, D; Aso, S; Kimura, M; Otani, K
Single Author
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Phenoconversion from rapid eye movement sleep behaviour disorder to multiple system atrophy is predicted by abnormal dopamine transporter imaging combined with normal <SUP>123</SUP>I-metaiodobenzylguanidine myocardial scintigraphy: a case report, PSYCHOGERIATRICS, 20(5) 807-809, 2020.09
Kobayashi, R; Hayashi, H; Kawakatsu, S; Morioka, D; Iseki, C; Ishizawa, K; Otani, K
Single Author
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Thought visualization occurring in a patient of dementia with Lewy bodies, ASIAN JOURNAL OF PSYCHIATRY, 48 , 2020.02
Kobayashi, R; Morioka, D; Hayashi, H; Suzuki, A; Otani, K
Single Author
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Thermal and mechanical properties of tetra-functional mesogenic type epoxy resin cured with aromatic amine, JOURNAL OF APPLIED POLYMER SCIENCE, 135(16) , 2018.04
Harada, M; Morioka, D; Ochi, M
Single Author
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Fixation mechanisms of nanoparticles on substrates by electron beam irradiation, BEILSTEIN JOURNAL OF NANOTECHNOLOGY, 8 1523-1529, 2017.07
Morioka, D; Nose, T; Chikuta, T; Mitsuishi, K; Shimojo, M
Single Author