Internet addiction, Hikikomori syndrome, and the prodromal phase of psychosis

Stip, Emmanuel, Thibault, Alexis, Beauchamp-Chatel, Alexis and Kisely, Steve (2016) Internet addiction, Hikikomori syndrome, and the prodromal phase of psychosis. Frontiers in Psychiatry, 7 6: 1-8. doi:10.3389/fpsyt.2016.00006


Author Stip, Emmanuel
Thibault, Alexis
Beauchamp-Chatel, Alexis
Kisely, Steve
Title Internet addiction, Hikikomori syndrome, and the prodromal phase of psychosis
Journal name Frontiers in Psychiatry   Check publisher's open access policy
ISSN 1664-0640
Publication date 2016-03-03
Year available 2016
Sub-type Article (original research)
DOI 10.3389/fpsyt.2016.00006
Open Access Status DOI
Volume 7
Issue 6
Start page 1
End page 8
Total pages 8
Place of publication Lausanne, Switzerland
Publisher Frontiers Research Foundation
Collection year 2017
Language eng
Abstract Computers, video games, and technological devices are part of young people’s everyday lives. Hikikomori is a Japanese word describing a condition that mainly affects adolescents or young adults who live isolated from the world, cloistered within their parents’ homes, locked in their bedrooms for days, months, or even years on end, and refusing to communicate even with their family. These patients use the Internet profusely, and only venture out to deal with their most imperative bodily needs. Although first described in Japan, cases have been described from around the world. This is the first published report from Canada. The disorder shares characteristics with prodromal psychosis, negative symptoms of schizophrenia, or Internet addiction, which are common differential or comorbid diagnoses. However, certain cases are not accompanied by a mental disorder. Psychotherapy is the treatment of choice although many cases are reluctant to present. The exact place of hikikomori in psychiatric nosology has yet to be determined. We searched Medline up to 12th May, 2015 supplemented by a hand search of the bibliographies of all retrieved articles. We used the following search terms: Hikikomori OR (prolonged AND social AND withdrawal). We found 97 potential papers. Of these 42 were in Japanese, and 1 in Korean. However, many of these were cited by subsequent English language papers that were included in the review. Following scrutiny of the titles and abstracts, 29 were judged to be relevant. Further research is needed to distinguish between primary and secondary hikikomori and establish whether this is a new diagnostic entity, or particular cultural or societal manifestations of established diagnoses.
Keyword Hikikomori
Internet addiction
Schizophrenia
Social withdrawal
Prodromal phase
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

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Sub-type: Article (original research)
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