https://www.sciencedaily.com/releases/2020/01/200110155241.htm

In an article published in the February issue of the journal World Psychiatry, experts cite a lack of broad clinical understanding of the condition.

Although hikikomori is typically associated with young adults in Japan, the researchers say many of the same criteria of extended social isolation apply to people around the world, including among older adults and stay-at-home parents. A simplified and clear definition will improve the recognition and subsequent treatment for people who suffer from the condition, the authors write.