Hirokage Ushijima

Relationships between Traumatic Symptoms and Environmental Damage Conditions among Children 8 Months after the 2011 Japan Earthquake and Tsunami

Masahide Usami, Yoshitaka Iwadare, Masaki Kodaira et al. · PLoS ONE · 2012 · 60 citations · Full text

Sleep Duration among Children 8 Months after the 2011 Japan Earthquake and Tsunami

Masahide Usami, Yoshitaka Iwadare, Masaki Kodaira et al. · PLoS ONE · 2013 · 37 citations · Full text

Posttraumatic Symptoms in Elementary and Junior High School Children after the 2011 Japan Earthquake and Tsunami: Symptom Severity and Recovery Vary by Age and Sex

Yoshitaka Iwadare, Masahide Usami, Yuriko Suzuki et al. · The Journal of Pediatrics · 2014 · 36 citations

Posttraumatic Symptoms, Child Psychology, Psychiatry +9

Changes in traumatic symptoms and sleep habits among junior high school students after the Great East Japan Earthquake and Tsunami

Yoshitaka Iwadare, Masahide Usami, Hirokage Ushijima et al. · Sleep and Biological Rhythms · 2014 · 27 citations

Sleep Disorders, Sleep, Sleep Disorder +7

Poor performance on the Iowa gambling task in children with obsessive-compulsive disorder

Masaki Kodaira, Yoshitaka Iwadare, Hirokage Ushijima et al. · Annals of General Psychiatry · 2012 · 26 citations · Full text