Assertion: psychosis's illness | /r/HasProperty | dementia praecox
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text: In 1920, psychiatrist Emil Kraepelin (1856–1926), the founder of contemporary scientific psychiatry, observed a "great number" of cases that had characteristics of both groups of psychoses that he originally posited were two distinct and separate illnesses, dementia praecox (now called schizophrenia) and manic depressive insanity (now called bipolar disorders [plural since there are more than one type of bipolar disorder] and recurrent depression).