Hikikomori, a severe form of social withdrawal, has long been observed in Japan mainly
among youth and adolescents since around the 1970s, and has been especially highlighted …

Hikikomori, which originated in Japan, refers to the condition where youths withdraw into the
home and do not participate in society for an extended period of time. Recent updates on …

Background: As the number of internet users increases, problems related to internet overuse
are becoming more and more serious. Adolescents and youth may be particularly attracted …

Early epidemiological studies were limited by not being based on strict diagnostic standards.
In 2010, Japan's Ministry of Health, Labour and Welfare announced a guideline for …

Introduction: Hikikomori is a Japanese term etymologically derived from 'hiku'(ie 'to pull
back') and 'komoru'(ie 'seclude oneself'), which identifies those subjects who deliberately …

Evaluating the severity of depression (SOD), especially suicidal ideation (SI), is crucial in the
treatment of not only patients with mood disorders but also psychiatric patients in general …

Major depressive disorder (MDD) has been considered a severe and common ailment with
effects on functional frailty, while its clear manifestations are shrouded in mystery. Hence …

Acommunity-BASED EPIDEMIOLOGICAL survey has suggested that the lifetime prevalence
of hikikomori (a severe form of social withdrawal) is approximately 1.2% in Japan. 1 More …

Background Social withdrawal (hikikomori) has become an internationally recognized
phenomenon, but its pathology and related factors are not yet fully known. We previously …

Social withdrawal is a new mental health problem increasingly common, present in different
cultures, whose psychopathology and treatment is not yet established. This study aims to …