Mental Health Difficulties and Countermeasures during the Coronavirus Disease Pandemic in Japan: A Nationwide Questionnaire Survey of Mental Health and Psychiatric Institutions

by Tomohiro Nakao, Keitaro Murayama, Sho Takahashi, Mami Kayama, Daisuke Nishi, Toru Horinouchi, Nozomu Oya, Hironori Kuga
Published 2021-07-01

Impacts of Stressful Life Events and Traumatic Experiences on Onset of Obsessive-Compulsive Disorder

by Keitaro Murayama, Tomohiro Nakao, Aikana Ohno, Aikana Ohno, Sae Tsuruta, Hirofumi Tomiyama, Suguru Hasuzawa, Taro Mizobe, Kenta Kato, Shigenobu Kanba
Published 2020-12-01

A voxel-based analysis of cerebral blood flow abnormalities in obsessive-compulsive disorder using pseudo-continuous arterial spin labeling MRI.

by Daichi Momosaka, Osamu Togao, Akio Hiwatashi, Koji Yamashita, Kazufumi Kikuchi, Hirofumi Tomiyama, Tomohiro Nakao, Keitaro Murayama, Yuriko Suzuki, Hiroshi Honda
Published 2020-01-01

A unique increase in prefrontal gray matter volume in hoarding disorder compared to obsessive-compulsive disorder.

by Satoshi Yamada, Tomohiro Nakao, Keisuke Ikari, Masumi Kuwano, Keitaro Murayama, Hirofumi Tomiyama, Suguru Hasuzawa, Osamu Togao, Akio Hiwatashi, Shigenobu Kanba
Published 2018-01-01

Dysfunction between dorsal caudate and salience network associated with impaired cognitive flexibility in obsessive-compulsive disorder: A resting-state fMRI study

by Hirofumi Tomiyama, Tomohiro Nakao, Keitaro Murayama, Kiyotaka Nemoto, Keisuke Ikari, Satoshi Yamada, Masumi Kuwano, Suguru Hasuzawa, Osamu Togao, Akio Hiwatashi, Shigenobu Kanba
Published 2019-01-01

Clinical characteristics of hoarding disorder in Japanese patients

by Masumi Kuwano, Tomohiro Nakao, Koji Yonemoto, Satoshi Yamada, Keitaro Murayama, Kayo Okada, Shinichi Honda, Keisuke Ikari, Hirofumi Tomiyama, Suguru Hasuzawa, Shigenobu Kanba
Published 2020-03-01

Aberrant Resting-State Cerebellar-Cerebral Functional Connectivity in Unmedicated Patients With Obsessive-Compulsive Disorder

by Keitaro Murayama, Hirofumi Tomiyama, Sae Tsuruta, Sae Tsuruta, Aikana Ohono, Mingi Kang, Suguru Hasuzawa, Taro Mizobe, Kenta Kato, Osamu Togao, Akio Hiwatashi, Tomohiro Nakao
Published 2021-04-01