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Toshitaka Hamamura

Observed names: Hamamura Toshitaka, Hamamura, Toshitaka
Observed institutions: Jikei University School of Medicine, California State University, Fullerton, University of Tsukuba, Flinders University, Chubu University, Japan Society for the Promotion of Science, Trinity Western University, Aichi University of Education, National Center of Neurology and Psychiatry, Advanced Telecommunications Research Institute International, KDDI Research (Japan), Self-Defense Forces Hanshin Hospital, National Center Hospital of Neurology and Psychiatry, National Center for Cognitive Behavior Therapy and Research, National Defense Medical College, KDDI (Japan), The University of Tokyo
ORCID: 0000-0002-0719-1001
Observed ORCID: 0000-0002-0719-1001
OpenAlex ID: A5043704244
Prevalence and risk factors of internet gaming disorder and problematic internet use before and during the COVID-19 pandemic: A large online survey of Japanese adults
2021 · Taiki Oka, Toshitaka Hamamura, et al. · Journal of Psychiatric Research · 141
The Effect of Perfectionism and Acculturative Stress on Levels of Depression Experienced by East Asian International Students
2014 · Toshitaka Hamamura, Philip G. Laird · Journal of Multicultural Counseling and Development · 106
Validity, reliability, and correlates of the Smartphone Addiction Scale–Short Version among Japanese adults
2023 · Toshitaka Hamamura, Nao Kobayashi, et al. · BMC Psychology · 40
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Depression and somatic symptoms in Japanese and American college students: Negative mood regulation expectancies as a personality correlate
2017 · Toshitaka Hamamura, Jack Mearns · International Journal of Psychology · 36
Stigma in substance-based and behavioural addictions: A systematic review
2025 · Christina Galanis, Morgan Leske, et al. · Journal of Behavioral Addictions · 31
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Standalone Effects of a Cognitive Behavioral Intervention Using a Mobile Phone App on Psychological Distress and Alcohol Consumption Among Japanese Workers: Pilot Nonrandomized Controlled Trial
2018 · Toshitaka Hamamura, Shinichiro Suganuma, et al. · JMIR Mental Health · 28
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Multiple time measurements of multidimensional psychiatric states from immediately before the COVID-19 pandemic to one year later: a longitudinal online survey of the Japanese population
2021 · Taiki Oka, Takatomi Kubo, et al. · Translational Psychiatry · 20
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Usage Prediction and Effectiveness Verification of App Restriction Function for Smartphone Addiction
2021 · Katsuki Yasudomi, Toshitaka Hamamura, et al. · IEEE International Conference on e-Health Networking, Applications and Services (Healthcom) · 12
Treatment of gaming disorder: A systematic review and meta-analysis
2025 · Inessa Harpas, Matthew Stevens, et al. · Psychiatry Research · 11
Reconsidering item response categories in gaming disorder symptoms measurement
2023 · Daniel L. King, Abel Nogueira-López, et al. · Journal of Behavioral Addictions · 10
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Negative Mood Regulation Expectancies Moderate the Effects of Acculturative Stress on Affective Symptoms Among Chinese International Students in Japan
2022 · Tingting An, Toshitaka Hamamura, et al. · Japanese Psychological Research · 10
Standalone effects of focus mode and social comparison functions on problematic smartphone use among adolescents
2023 · Toshitaka Hamamura, Masayuki Kurokawa, et al. · Addictive Behaviors · 9
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Event-related PTSD symptoms as a high-risk factor for suicide: longitudinal observational study
2023 · Toshinori Chiba, Kentarou Ide, et al. · Nature Mental Health · 7
Treatment readiness and prognosis for problematic smartphone use: Evaluation of the Stages of Change, Readiness, and Treatment Eagerness Scale (SOCRATES) and log data
2024 · Nanase Kobayashi, Daisuke Jitoku, et al. · Psychiatry and Clinical Neurosciences Reports · 6
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The effectiveness of a web-based intervention for Japanese adults with problem drinking: An online randomized controlled trial
2021 · Toshitaka Hamamura, Shinichiro Suganuma, et al. · Addictive Behaviors Reports · 6
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PTSD symptoms related to COVID-19 as a high risk factor for suicide - Key to prevention
2020 · Toshinori Chiba, Taiki Oka, et al. · medRxiv · 5
The Efficacy of a Web-Based Screening and Brief Intervention for Reducing Alcohol Consumption Among Japanese Problem Drinkers: Protocol for a Single-Blind Randomized Controlled Trial
2018 · Toshitaka Hamamura, Shinichiro Suganuma, et al. · JMIR Research Protocols · 4
Reliability and Validity of the Japanese Version of the Internet Gaming Disorder Scale for Children ( IGDS ‐C)
2025 · Koki Ono, Makoto Tokushige, et al. · Neuropsychopharmacology Reports · 3
Difficulty in Attention Switching and Its Neural Basis in Problematic Smartphone Use
2025 · Nanase Kobayashi, Daisuke Jitoku, et al. · Brain Sciences · 2
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How parental mental health is connected to internet gaming disorder in adolescents: The role of family functioning
2025 · Nanami Hiratani, Ayumi Takano, et al. · Journal of Psychiatric Research · 2
Correlates of Authoritarian versus Authoritative Parenting in the West and in Japan: Is This Dichotomy Valid in Japan?
2023 · Taylor Quaranta, Toshitaka Hamamura, et al. · OSF Preprints (OSF Preprints) · 2
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Mood Induction Changes Negative Alcohol Expectancies Among Japanese Adults with Problematic Drinking: Negative Mood Regulation Expectancies Moderate the Effect
2018 · Toshitaka Hamamura, Jack Mearns · International Journal of Mental Health and Addiction · 2
Reporting quality standards in gaming disorder treatment evidence: A systematic review
2025 · Oscar Svendsen, Matthew W.R. Stevens, et al. · Acta Psychologica · 1
Association between gaming disorder and internalizing symptoms among children and adolescents: A child–parent dyadic study.
2025 · Toshitaka Hamamura, Kyosuke Kaneko, et al. · Psychology of Popular Media · 1
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Predicting Device Usage Patterns in Patients with Problematic Smartphone Use Through Individualized Hidden Markov Models
2024 · Shun Furusawa, Toshitaka Hamamura, et al. · IEEE International Conference on e-Health Networking, Applications and Services (Healthcom) · 1
Works count: 66
Citation count: 502
H-index: 10
I10-index: 11
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