Wakako Umene‐Nakano

Does the ‘hikikomori’ syndrome of social withdrawal exist outside Japan? A preliminary international investigation

Takahiro A. Kato, Masaru Tateno, Naotaka Shinfuku et al. · Social Psychiatry and Psychiatric Epidemiology · 2011 · 282 citations · Full text

Social Withdrawal, Japanese History, East Asian Studies +5

Higher plasma interleukin-6 (IL-6) level is associated with SSRI- or SNRI-refractory depression

Reiji Yoshimura, Hikaru Hori, Atsuko Ikenouchi et al. · Progress in Neuro-Psychopharmacology and Biological Psychiatry · 2009 · 218 citations

Higher Plasma, Psychoneuroimmunology, Psychiatry +11

Development and validation of the 25‐item Hikikomori Questionnaire (HQ‐25)

Alan R. Teo, Jason I. Chen, Hiroaki Kubo et al. · Psychiatry and Clinical Neurosciences · 2018 · 173 citations · Full text

SIRT1 gene is associated with major depressive disorder in the Japanese population

Taro Kishi, Reiji Yoshimura, Tsuyoshi Kitajima et al. · Journal of Affective Disorders · 2010 · 139 citations

Japanese Population, Psychiatry, Genetic Disorder +10

Efficacy of electroconvulsive therapy is associated with changing blood levels of homovanillic acid and brain-derived neurotrophic factor (BDNF) in refractory depressed patients: A pilot study

Tatsuya Okamoto, Reiji Yoshimura, Atsuko Ikenouchi et al. · Progress in Neuro-Psychopharmacology and Biological Psychiatry · 2008 · 96 citations

Psychiatry, Mood Symptom, Subcortical Ischemic Depression +12