schizophrenia

Term: Schizophrenia

Origin: Greek from σχίζειν/skhizein (=to split) + φρήν/phren (= mind) meaning "split mind".

Coined: The name coined by Eugen Bleuler (1857-1939), a Swiss psychiatrist  in 1911, from the early observation that the illness is typified by the disconnection or splitting of the psychic functions. Unfortunately, this has lead to the misconception that the illness is somehow characterised by a split personality known as dissociative identity disorder or as "multiple personality disorder" which is not the case.

Definition:

 a severe and lifelong mental disorder. In men, symptoms usually start in the late teens and early 20s and for women, they start in the mid-20s to early 30s. Patients have abnormal perceptions and expressions of reality with delusions and hallucinations and thought disorganisation. 

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comments:

In order to reduce social stigma in Japan the term  was changed in 2002, from Seishin-Bunretsu-Byō　精神分裂病 (mind-split-disease) to Tōgō-shitchō-shō　統合失調症 (integration disorder).