In the Late 1800s, the German Psychiatrist Emil Kraeplin Made

In the late 1800s, the German psychiatrist Emil Kraeplin made all of the following contributions to our knowledge of schizophrenia EXCEPT

A) distinguishing dementia praecox (schizophrenia) from manic-depressive illness.
B) noting that hallucinations, delusions, and negativism were symptoms of dementia praecox (schizophrenia) .
C) combining several symptoms of insanity (catatonia, paranoia, hebephrenia) that had usually been viewed as reflecting separate and distinct disorders.
D) conceptualizing a treatment for schizophrenic patients that is still being used today.