Hirokazu Tachikawa

Publication Activity (10 Years)

Years Active: 2021-2024
Publications (10 Years): 30

Top Topics

Functional Connectivity

Coronavirus Disease

Depressive Symptoms

Top Venues

International journal of environmental research and public health

PCN reports : psychiatry and clinical neurosciences

This page only lists publications with an associated author ORCID identifier.

Publications

Aya Sekine, Hirokazu Tachikawa, Saori Ecoyama, Kiyotaka Nemoto, Sho Takahashi, Megumi Sasaki, Takafumi Hori, Shinji Sato, Tetsuaki Arai
Online consortium managing COVID-19-related mental health problems. PCN reports : psychiatry and clinical neurosciences 3 (3) (2024)
Natsuho Kushibiki, Miyuki Aiba, Haruhiko Midorikawa, Kentaro Komura, Daichi Sugawara, Yuki Shiratori, Naoaki Kawakami, Takafumi Ogawa, Chie Yaguchi, Hirokazu Tachikawa
How do social networks, perception of social isolation, and loneliness affect depressive symptoms among Japanese adults? PloS one 19 (4) (2024)
Aya Sekine, Hirokazu Tachikawa, Saori Ecoyama, Kiyotaka Nemoto, Sho Takahashi, Megumi Sasaki, Takafumi Hori, Shinji Sato, Tetsuaki Arai
Online consortium managing COVID-19-related mental health problems. PCN reports : psychiatry and clinical neurosciences 3 (3) (2024)
Yuki Shiratori, Takafumi Ogawa, Miho Ota, Noriko Sodeyama, Tetsuaki Arai, Hirokazu Tachikawa
Comparison of Depressive Symptoms between International and Domestic Students in a Japanese University: Pre- and Post-COVID-19 Pandemic. Brain sciences 14 (5) (2024)
Natsuho Kushibiki, Miyuki Aiba, Haruhiko Midorikawa, Kentaro Komura, Daichi Sugawara, Yuki Shiratori, Naoaki Kawakami, Takafumi Ogawa, Chie Yaguchi, Hirokazu Tachikawa
How do social networks, perception of social isolation, and loneliness affect depressive symptoms among Japanese adults? PloS one 19 (4) (2024)
Yuki Shiratori, Takafumi Ogawa, Miho Ota, Noriko Sodeyama, Tetsuaki Arai, Hirokazu Tachikawa
Comparison of Depressive Symptoms between International and Domestic Students in a Japanese University: Pre- and Post-COVID-19 Pandemic. Brain sciences 14 (5) (2024)
Natsuho Kushibiki, Miyuki Aiba, Haruhiko Midorikawa, Kentaro Komura, Daichi Sugawara, Yuki Shiratori, Naoaki Kawakami, Takafumi Ogawa, Chie Yaguchi, Hirokazu Tachikawa
How do social networks, perception of social isolation, and loneliness affect depressive symptoms among Japanese adults? PloS one 19 (4) (2024)
Takao Ishii, Naohiro Yonemoto, Yasushi Otaka, Kazuya Okamura, Noa Tsujii, Kotaro Otsuka, Reiji Yoshimura, Toshihiko Kinoshita, Daisuke Fujisawa, Hirokazu Tachikawa, Mitsuhiko Yamada, Yusuke Tsuyama, Satoshi Hashimoto, Chiaki Kawanishi
Implementations of an evidence-based assertive case management intervention for suicide attempters: Post-ACTION-J Study (PACS). PCN reports : psychiatry and clinical neurosciences 2 (2) (2023)
Hirokazu Tachikawa, Midori Matsushima, Haruhiko Midorikawa, Miyuki Aiba, Ryo Okubo, Takahiro Tabuchi
Impact of loneliness on suicidal ideation during the COVID-19 pandemic: findings from a cross-sectional online survey in Japan. BMJ open 13 (5) (2023)
Asumi Takahashi, Hirokazu Tachikawa, Ayumi Takayashiki, Takami Maeno, Yuki Shiratori, Asaki Matsuzaki, Tetsuaki Arai
Crisis-management, Anti-stigma, and Mental Health Literacy Program for University Students (CAMPUS): A preliminary evaluation of suicide prevention. F1000Research 11 (2023)
Masana Ujihara, Hirokazu Tachikawa, Asumi Takahashi, Towa Gen, Yoshinori Cho
Factors Related to Psychological Distress in Suicide Prevention Supporters during the COVID-19 Pandemic. International journal of environmental research and public health 20 (6) (2023)
Takao Ishii, Naohiro Yonemoto, Yasushi Otaka, Kazuya Okamura, Noa Tsujii, Kotaro Otsuka, Reiji Yoshimura, Toshihiko Kinoshita, Daisuke Fujisawa, Hirokazu Tachikawa, Mitsuhiko Yamada, Yusuke Tsuyama, Satoshi Hashimoto, Chiaki Kawanishi
Implementations of an evidence-based assertive case management intervention for suicide attempters: Post-ACTION-J Study (PACS). PCN reports : psychiatry and clinical neurosciences 2 (2) (2023)
Masana Ujihara, Hirokazu Tachikawa, Asumi Takahashi, Towa Gen, Yoshinori Cho
Factors Related to Psychological Distress in Suicide Prevention Supporters during the COVID-19 Pandemic. International journal of environmental research and public health 20 (6) (2023)
Hirokazu Tachikawa, Midori Matsushima, Haruhiko Midorikawa, Miyuki Aiba, Ryo Okubo, Takahiro Tabuchi
Impact of loneliness on suicidal ideation during the COVID-19 pandemic: findings from a cross-sectional online survey in Japan. BMJ open 13 (5) (2023)
Masana Ujihara, Hirokazu Tachikawa, Asumi Takahashi, Towa Gen, Yoshinori Cho
Factors Related to Psychological Distress in Suicide Prevention Supporters during the COVID-19 Pandemic. International journal of environmental research and public health 20 (6) (2023)
Hirokazu Tachikawa, Sho Takahashi, Kiyotaka Nemoto, Naohiro Yonemoto, Hiroyuki Oda, Yasufumi Miyake, Yoshio Hirayasu, Tetsuaki Arai, Chiaki Kawanishi
Predictive factors for recurrent suicide attempts: Evidence from the ACTION-J study. PCN reports : psychiatry and clinical neurosciences 1 (2) (2022)
Haruhiko Midorikawa, Hirokazu Tachikawa, Miyuki Aiba, Yuki Shiratori, Daichi Sugawara, Naoaki Kawakami, Ryo Okubo, Takahiro Tabuchi
Proposed Cut-Off Score for the Japanese Version of the Fear of Coronavirus Disease 2019 Scale (FCV-19S): Evidence from a Large-Scale National Survey in Japan. International journal of environmental research and public health 20 (1) (2022)
Hirokazu Tachikawa, Sho Takahashi, Kiyotaka Nemoto, Naohiro Yonemoto, Hiroyuki Oda, Yasufumi Miyake, Yoshio Hirayasu, Tetsuaki Arai, Chiaki Kawanishi
Predictive factors for recurrent suicide attempts: Evidence from the ACTION-J study. PCN reports : psychiatry and clinical neurosciences 1 (2) (2022)
Kazuhiro Ishikawa, Kiyotaka Nemoto, Yuki Shiratori, Noriko Sodeyama, Kikuko Kodama, Hitoshi Usuniwa, Noriko Yamada, Chie Yaguchi, Takafumi Hori, Tetsuaki Arai, Hirokazu Tachikawa
Aberrant resting-state functional connectivity of major depressive disorder with higher risk of suicide. PCN reports : psychiatry and clinical neurosciences 1 (3) (2022)
Haruhiko Midorikawa, Hirokazu Tachikawa, Miyuki Aiba, Yuki Shiratori, Daichi Sugawara, Naoaki Kawakami, Ryo Okubo, Takahiro Tabuchi
Proposed Cut-Off Score for the Japanese Version of the Fear of Coronavirus Disease 2019 Scale (FCV-19S): Evidence from a Large-Scale National Survey in Japan. International journal of environmental research and public health 20 (1) (2022)
Yui Yumiya, Odgerel Chimed-Ochir, Akihiro Taji, Eisaku Kishita, Kouki Akahoshi, Hisayoshi Kondo, Akinori Wakai, Kayoko Chishima, Yoshiki Toyokuni, Yuichi Koido, Hirokazu Tachikawa, Sho Takahashi, Sayaka Gomei, Yuzuru Kawashima, Tatsuhiko Kubo
Prevalence of Mental Health Problems among Patients Treated by Emergency Medical Teams: Findings from J-SPEED Data Regarding the West Japan Heavy Rain 2018. International journal of environmental research and public health 19 (18) (2022)
Kazuhiro Ishikawa, Kiyotaka Nemoto, Yuki Shiratori, Noriko Sodeyama, Kikuko Kodama, Hitoshi Usuniwa, Noriko Yamada, Chie Yaguchi, Takafumi Hori, Tetsuaki Arai, Hirokazu Tachikawa
Aberrant resting-state functional connectivity of major depressive disorder with higher risk of suicide. PCN reports : psychiatry and clinical neurosciences 1 (3) (2022)
Haruhiko Midorikawa, Hirokazu Tachikawa, Miyuki Aiba, Yuki Shiratori, Daichi Sugawara, Naoaki Kawakami, Ryo Okubo, Takahiro Tabuchi
Proposed Cut-Off Score for the Japanese Version of the Fear of Coronavirus Disease 2019 Scale (FCV-19S): Evidence from a Large-Scale National Survey in Japan. International journal of environmental research and public health 20 (1) (2022)
Haruhiko Midorikawa, Hirokazu Tachikawa, Miyuki Aiba, Yuki Shiratori, Daichi Sugawara, Naoaki Kawakami, Ryo Okubo, Takahiro Tabuchi
Proposed Cut-Off Score for the Japanese Version of the Fear of Coronavirus Disease 2019 Scale (FCV-19S): Evidence from a Large-Scale National Survey in Japan. International journal of environmental research and public health 20 (1) (2022)
Haruhiko Midorikawa, Hirokazu Tachikawa, Miyuki Aiba, Yuki Shiratori, Daichi Sugawara, Naoaki Kawakami, Ryo Okubo, Takahiro Tabuchi
Proposed Cut-Off Score for the Japanese Version of the Fear of Coronavirus Disease 2019 Scale (FCV-19S): Evidence from a Large-Scale National Survey in Japan. International journal of environmental research and public health 20 (1) (2022)
Yasuto Kunii, Hitomi Usukura, Kotaro Otsuka, Masaharu Maeda, Hirooki Yabe, Sho Takahashi, Hirokazu Tachikawa, Hiroaki Tomita
Lessons learned from psychosocial support and mental health surveys during the 10 years since the Great East Japan Earthquake: Establishing evidence-based disaster psychiatry. Psychiatry and clinical neurosciences 76 (6) (2022)
Noriko Sodeyama, Sho Takahashi, Miyuki Aiba, Yayoi Haraguchi, Tetsuaki Arai, Hirokazu Tachikawa
A Comparison of Mental Health among Earthquake, Tsunami, and Nuclear Power Plant Accident Survivors in the Long Term after the Great East Japan Earthquake. International journal of environmental research and public health 19 (21) (2022)
Haruhiko Midorikawa, Hirokazu Tachikawa, Takaya Taguchi, Yuki Shiratori, Asumi Takahashi, Sho Takahashi, Kiyotaka Nemoto, Tetsuaki Arai
Demographics Associated With Stress, Severe Mental Distress, and Anxiety Symptoms During the COVID-19 Pandemic in Japan: Nationwide Cross-sectional Web-Based Survey. JMIR public health and surveillance 7 (11) (2021)
Yoshifumi Takagi, Sho Takahashi, Yasuhisa Fukuo, Tetsuaki Arai, Hirokazu Tachikawa
Acute-Stage Mental Health Symptoms by Natural Disaster Type: Consultations of Disaster Psychiatric Assistance Teams (DPATs) in Japan. International journal of environmental research and public health 18 (23) (2021)
Yasuko Fuse-Nagase, Toshiyuki Marutani, Hirokazu Tachikawa, Taku Iwami, Yuji Yamamoto, Toshiki Moriyama, Katsuhiro Yasumi
Increase in suicide rates among undergraduate students in Japanese national universities during the COVID-19 pandemic. Psychiatry and clinical neurosciences 75 (11) (2021)