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Masahiro Katsura · SciRah

Researcher profile · Semantic Scholar

Masahiro Katsura

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Masahiro Katsura — researcher profile on SciRah

h-index: 11
Works: 39
Citations: 473

Most-cited papers

Post-traumatic stress disorder and depression prevalence and associated risk factors among local disaster relief and reconstruction workers fourteen months after the Great East Japan Earthquake: a cross-sectional study
Atsushi Sakuma, Yoko Takahashi, Ikki Ueda, Hirotoshi Sato +8 more
2015BMC Psychiatry148 citations Open access
Semantic Scholar
A naturalistic longitudinal study of at-risk mental state with a 2.4 year follow-up at a specialized clinic setting in Japan.
Masahiro Katsura, N. Ohmuro, Chika Obara, Tatsuo Kikuchi +4 more
2014Schizophrenia Research50 citations
Semantic Scholar
Individualized Prediction of Transition to Psychosis in 1,676 Individuals at Clinical High Risk: Development and Validation of a Multivariable Prediction Model Based on Individual Patient Data Meta-Analysis
Aaltsje Malda, N. Boonstra, H. Barf, S. de Jong +30 more
2019Frontiers in Psychiatry35 citations Open access
Semantic Scholar
Subcortical Brain Volume Abnormalities in Individuals With an At-risk Mental State.
D. Sasabayashi, Y. Takayanagi, Tsutomu Takahashi, Naoyuki Katagiri +15 more
2020Schizophrenia bulletin30 citations Open access
Semantic Scholar
The relationship between cognitive insight and cognitive performance among individuals with at-risk mental state for developing psychosis.
N. Ohmuro, Masahiro Katsura, Chika Obara, Tatsuo Kikuchi +6 more
2017Schizophrenia Research28 citations
Semantic Scholar
Reduced cortical thickness of the paracentral lobule in at-risk mental state individuals with poor 1-year functional outcomes
D. Sasabayashi, Y. Takayanagi, Tsutomu Takahashi, S. Nishiyama +20 more
2021Translational Psychiatry25 citations Open access
Semantic Scholar
The association between cognitive deficits and depressive symptoms in at-risk mental state: a comparison with first-episode psychosis.
N. Ohmuro, Kazunori Matsumoto, Masahiro Katsura, Chika Obara +6 more
2015Schizophrenia Research24 citations
Semantic Scholar
Deficits of cognitive theory of mind and its relationship with functioning in individuals with an at-risk mental state and first-episode psychosis.
N. Ohmuro, Masahiro Katsura, Chika Obara, Tatsuo Kikuchi +6 more
2016Psychiatry Research21 citations
Semantic Scholar
The associations between quality of life and clinical symptoms in individuals with an at-risk mental state and first-episode psychosis.
N. Ohmuro, Kazunori Matsumoto, Y. Ishii, Masahiro Katsura +5 more
2017Psychiatry Research16 citations
Semantic Scholar
Criticism and Depression among the Caregivers of At-Risk Mental State and First-Episode Psychosis Patients
Yumiko Hamaie, N. Ohmuro, Masahiro Katsura, Chika Obara +5 more
2016PLoS ONE16 citations Open access
Semantic Scholar
Resolution of catatonia by successful seizure induction via electroconvulsive therapy with electrodes applied bilaterally to the parietotemporal region.
Kazumasa Suzuki, Tsuyoshi Shindo, Masahiro Katsura, K. Takamatsu +4 more
2007Journal of ECT13 citations
Semantic Scholar
No regional gray matter volume reduction observed in young Japanese people at ultra-high risk for psychosis: A voxel-based morphometry study.
Atsushi Sakuma, Chika Obara, Masahiro Katsura, Fumiaki Ito +6 more
2018Asian Journal of Psychiatry10 citations
Semantic Scholar
Relationship Between White Matter Microstructure and Hallucination Severity in the Early Stages of Psychosis: A Diffusion Tensor Imaging Study
Yutaro Sato, Atsushi Sakuma, N. Ohmuro, Masahiro Katsura +6 more
2021Schizophrenia Bulletin Open9 citations Open access
Semantic Scholar
Autistic symptoms and clinical features of individuals at clinical high risk for psychosis and first-episode psychosis.
Hiroshi Komatsu, Yutaro Sato, K. Tomimoto, Goh Onoguchi +9 more
2024Asian Journal of Psychiatry8 citations Open access
Semantic Scholar
Federated multi-site longitudinal study of at-risk mental state for psychosis in Japan.
Kazunori Matsumoto, Masahiro Katsura, Naohisa Tsujino, S. Nishiyama +8 more
2019Schizophrenia Research8 citations
Semantic Scholar
Clinical prediction model for transition to psychosis in individuals meeting At Risk Mental State criteria
L. Bonnett, Alexandra Hunt, Allan Flores, Catrin Tudur Smith +44 more
2025Schizophrenia7 citations Open access
Semantic Scholar
Correction: Criticism and Depression among the Caregivers of At-Risk Mental State and First-Episode Psychosis Patients
Yumiko Hamaie, N. Ohmuro, Masahiro Katsura, Chika Obara +5 more
2016PLoS ONE5 citations Open access
Semantic Scholar
Structural MRI Study of the Planum Temporale in Individuals With an At-Risk Mental State Using Labeled Cortical Distance Mapping
Y. Takayanagi, Sue Kulason, D. Sasabayashi, Tsutomu Takahashi +13 more
2020Frontiers in Psychiatry3 citations Open access
Semantic Scholar
Open‐label study of cognitive behavioural therapy for individuals with at‐risk mental state: Feasibility in the Japanese clinical setting
Kazunori Matsumoto, N. Ohmuro, Naohisa Tsujino, S. Nishiyama +9 more
2019Early Intervention in Psychiatry3 citations
Semantic Scholar
[Activity to prevent mental diseases after the Great East Japan Earthquake].
T. Uchida, Kazunori Matsumoto, Yoko Takahashi, Rie Koshimichi +5 more
2014Seishin shinkeigaku zasshi = Psychiatria et neurologia Japonica3 citations
Semantic Scholar
[Natori EI project: the early intervention project for psychiatric disorders by the Miyagi Psychiatric Center].
Takashi Ono, Syunichi Funakoshi, Y. Kakuto, H. Taniguchi +12 more
2013Seishin shinkeigaku zasshi = Psychiatria et neurologia Japonica3 citations
Semantic Scholar
Persistence of autistic symptom differences by severity among individuals at clinical high risk for psychosis and with first-episode psychosis: An 18-month longitudinal follow-up study.
Hiroshi Komatsu, Yutaro Sato, K. Tomimoto, Goh Onoguchi +13 more
2026Journal of Psychiatric Research2 citations Open access
Semantic Scholar
195 – Six-month follow-up of Japanese high risk (“at-risk mental state”) group in Sendai: Preliminary findings
T. Miyakoshi, K. Matsumoto, Fumiaki Ito, Atsushi Sakuma +5 more
20082 citations
Semantic Scholar
[Disturbance in receptive prosody as a premorbid vulnerability to schizophrenia].
Kazunori Matsumoto, Fumiaki Ito, Noriyuki Omuro, Masahiro Katsura +2 more
2007Seishin shinkeigaku zasshi = Psychiatria et neurologia Japonica2 citations
Semantic Scholar
Persistent differences in autistic symptom severity after one year in individuals at clinical high risk of psychosis and with first-episode psychosis.
Hiroshi Komatsu, Yutaro Sato, K. Tomimoto, Goh Onoguchi +10 more
2025Journal of Psychiatric Research1 citations Open access
Semantic Scholar
Increased structural covariance of cortical measures in individuals with an at-risk mental state.
D. Sasabayashi, S. Tsugawa, S. Nakajima, Tsutomu Takahashi +30 more
2024Progress in Neuro-psychopharmacology and Biological Psychiatry1 citations Open access
Semantic Scholar
White matter volume not associated with hallucinations in clinical high risk and first‐episode psychosis: A voxel‐based morphometry study
Yutaro Sato, Atsushi Sakuma, N. Ohmuro, Masahiro Katsura +6 more
2021Psychiatry and Clinical Neurosciences1 citations Open access
Semantic Scholar
Catatonia complicated by pneumothorax successfully treated with electroconvulsive therapy.
Kazumasa Suzuki, Masahiro Katsura, Yukio Ebina, Takehisa Takano +1 more
2007Journal of ECT1 citations
Semantic Scholar
Autistic symptoms in early psychosis are associated with mean diffusivity-dominant alterations in white matter tracts implicated in schizophrenia and autism spectrum disorder.
Hiroshi Komatsu, Shu Umezawa, Yutaro Sato, K. Tomimoto +16 more
2026Asian Journal of Psychiatry0 citations Open access
Semantic Scholar
Volume Reduction of the Dorsal Lateral Prefrontal Cortex Prior to the Onset of Frank Psychosis in Individuals with an At-Risk Mental State.
Y. Takayanagi, Sue Kulason, D. Sasabayashi, Tsutomu Takahashi +12 more
2021Cerebral Cortex0 citations Open access
Semantic Scholar
University of Groningen Individualized Prediction of Transition to Psychosis in 1 , 676 Individuals at Clinical High Risk
N. Boonstra, H. Barf, S. de Jong, A. Aleman +29 more
20190 citations
Semantic Scholar
アットリスク精神状態(ARMS)のベースラインでの灰白質体積と予後予測
C. Ohara, Atsushi Sakuma, Masahiro Katsura, Omuro Noriyuki +6 more
20160 citations
Semantic Scholar
Poster #S153 CLINICAL AND FUNCTIONAL COURSE OF YOUTHS AT ULTRA-HIGH RISK FOR PSYCHOSIS: OUTCOMES OF NON-CONVERTERS IN JAPAN
Masahiro Katsura, N. Ohmuro, Chika Obara, Tatsuo Kikuchi +7 more
20140 citations
Semantic Scholar
Poster #S256 LONGITUDINAL FOLLOW-UP OF CRITICISM AND DEPRESSION AMONG FAMILIES OF FIRST EPISODE PSYCHOSIS PATIENTS
Yumiko Hamaie, N. Ohmuro, Masahiro Katsura, Chika Obara +6 more
20140 citations
Semantic Scholar
[Application of cognitive behavioral therapy to early phase of psychosis].
Kazunori Matsumoto, Yumiko Hamaie, N. Mitsunaga, T. Uchida +4 more
2013Seishin shinkeigaku zasshi = Psychiatria et neurologia Japonica0 citations
Semantic Scholar
Poster #64 COGNITIVE INSIGHT AND ATTENUATED POSITIVE SYMPTOMS IN AT-RISK MENTAL STATE
T. Uchida, Noriyuki Omuro, Masahiro Katsura, Yumiko Hamaie +3 more
20120 citations
Semantic Scholar
[Psychological factors in the early stage of psychosis].
Yoshie Ito, T. Uchida, Noriyuki Omuro, T. Miyakoshi +6 more
2010Seishin shinkeigaku zasshi = Psychiatria et neurologia Japonica0 citations
Semantic Scholar
A NEUROCOGNITIVE ASSESSMENT OF THE PERFORMANCE OF INDIVIDUALS AT ULTRA-HIGH RISK OF PSYCHOSIS, USING THE JAPANESE VERSION OF THE BRIEF ASSESSMENT OF COGNITION IN SCHIZOPHRENIA (BACS)
N. Ohmuro, Fumiaki Ito, Yumiko Hamaie, T. Uchida +5 more
20100 citations
Semantic Scholar
早期精神病の予防,早期治療および病態解明に関する臨床的研究早期精神病性障害の診断と治療に関する臨床的研究
Kazunori Matsumoto, Takashi Ono, Omuro Noriyuki, Masahiro Katsura +2 more
20090 citations
Semantic Scholar

Frequent co-authors

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Kazunori Matsumoto×35
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Kazunori Matsumoto — researcher profile on SciRah
N. Ohmuro×24
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N. Ohmuro — researcher profile on SciRah
H. Matsuoka×23
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H. Matsuoka — researcher profile on SciRah
Fumiaki Ito×19
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Fumiaki Ito — researcher profile on SciRah

×19

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Yumiko Hamaie — researcher profile on SciRah

Atsushi Sakuma×18

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Atsushi Sakuma — researcher profile on SciRah

Chika Obara×11

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Chika Obara — researcher profile on SciRah

Tatsuo Kikuchi×10

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Tatsuo Kikuchi — researcher profile on SciRah

T. Miyakoshi×8

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T. Miyakoshi — researcher profile on SciRah

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M. Mizuno — researcher profile on SciRah

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K. Tomimoto — researcher profile on SciRah

Naoyuki Katagiri×6

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Naoyuki Katagiri — researcher profile on SciRah