hikikomori concept of young adults who become recluses in their parents homes

account adolescents adults apparent autism autistic called characterized collectivism concept concepts confinement conformity cultures degrees disorder economic educational etiology exist extreme form frequently friends hermits hikikomori home homes housing ikikomori ill insecure isolation japan korea languages lose mental modern-day months movement overprotective parenting parents particularities phenomenon physical recluses recognized rooms school seeking severe shy sick social society south spectrum sports symptoms systems talk total unable unhappy withdrawal work years young