Ko da yake Eugen Bleuler ya kirkiro shi a cikin 1908 kuma an yi nufin ya bayyana rabuwa da aiki tsakanin mutum, tunani, ƙwaƙwalwar ajiya, da kuma fahimta. Fassarar Amurka da ta Burtaniya na Bleuler sun haifar da da'awar cewa ya bayyana manyan alamunta a matsayin A's huɗu: flattened affect, autism, lalata haɗin ra'ayoyi, da ambivalence. Bleuler ya fahimci cewa cutar ba dementia ba ce, kamar yadda wasu daga cikin maganganunsa suka inganta maimakon lalacewa, don haka ya ba da shawarar cutar ta schizophrenia. An fassara fassarar juyin juya hali a cikin shekarun 1950s tare da fasalin phrēn, phren- (φρήν, φρεν-, "tunani") da kuma phrēn, phren- (φρήν, φρεν-, "tunani") a tsakiyar shekarun 1970s. Wannan binciken ya haifar da rikice-rikice a tsakanin Amurka da Turai, wanda ya haifar da rashin fahimta da rashin fahimta a tsakanin wasu mutane da ke fama da schizophrenia fiye da ciwon hankali. "A cikin littafin bincike na US-UK na 1972", DSMB
Amurka