Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: A farkon karni na 20, likitan kwakwalwa Kurt Schneider ya lissafa nau'ikan alamun cututtukan kwakwalwa wanda yake tunanin ya bambanta schizophrenia daga sauran cututtukan kwakwalwa. Wadannan ana kiransu alamomin farko ko alamomin farko na Schneider. Waɗannan sun haɗa da ra'ayin da ba daidai ba na cewa wani iko na waje ne yake sarrafa mutum, da gaskata cewa ana saka tunani a cikin ko kuma cire shi daga tunanin mutum, da gaskata cewa ana watsa tunanin mutum ga wasu mutane, da kuma jin muryoyin da ke ba da ra'ayi da ke yin sharhi game da tunanin mutum ko ayyukansa ko kuma waɗanda suke tattaunawa da wasu muryoyin da ke ba da ra'ayi. Kodayake sun ba da gudummawa sosai ga ka'idodin bincike na yanzu, an yi tambaya game da takamaiman alamun farko. Binciken nazarin binciken da aka gudanar tsakanin 1970 da 2005 ya gano cewa ba su ba da damar sake tabbatarwa ko kuma kin amincewa da da'awar Schneider ba, kuma ya ba da shawarar cewa ya kamata a ba da fifiko ga alamun farko a cikin sake duba tsarin bincike na gaba. Rashin bayyanar cututtuka na farko ya kamata ya haifar da tuhumar rashin lafiyar likita. Tarihin schizophrenia yana da rikitarwa kuma ba ya ba da kanta ga wani labari mai sauƙi. Ana tunanin asusun cututtukan da ke kama da schizophrenia ba su da yawa a cikin bayanan tarihi kafin karni na 19, kodayake rahotannin rashin hankali, rashin fahimta, ko halin da ba a iya sarrafawa ba sun kasance gama gari. Cikakken rahoton shari'ar a cikin 1797 game da James Tilly Matthews, da kuma bayanan da Philippe Pinel ya wallafa a 1809, galibi ana ɗaukar su a matsayin farkon yanayin cutar a cikin littattafan likitanci da na ilimin hauka. Maganar Latinized dementia praecox an fara amfani da ita ne daga Heinrich Schule a cikin 1886 sannan kuma a cikin 1891 ta Arnold Pick a cikin rahoton rahoton cutar rashin lafiyar hankali (hebephrenia). A cikin 1893 Emil Kraepelin ya aro kalmar daga Schule da Pick kuma a cikin 1899 ya gabatar da babban sabon bambanci a cikin rarrabuwa na rikicewar hankali tsakanin dementia praecox da rikicewar yanayi (wanda ake kira manic depression da kuma hada da unipolar da bipolar depression)....  Tambaya: Kafin karni na 19th, lokuta na schizophrenia-kamar bayyanar cututtuka da aka classified a matsayin abin da dangane da yadda na kowa shi ne?
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