AP PSYCHOLOGY

Detailed explanation-1: -The first, formal description of schizophrenia as a mental illness was made in 1887 by Dr. Emile Kraepelin. He used the term “dementia praecox” to describe the symptoms now known as schizophrenia.

Detailed explanation-2: -He differentiated between ‘dementia praecox’ and ‘manic depression’ as the two forms of psychosis. Kraepelin considered ‘dementia praecox’ (which is nowadays known as schizophrenia) as a biological illness caused by anatomical or toxic processes.

Detailed explanation-3: -One of Kraepelin’s most significant achievements was in the identification and distinction of two specific disorders. Kraepelin identified manic depression and dementia praecox, later termed schizophrenia, as distinct forms of psychosis.

Detailed explanation-4: -Kraepelin proposed that by studying case histories and identifying specific disorders, the progression of mental illness could be predicted, after taking into account individual differences in personality and patient age at the onset of disease.

Detailed explanation-5: -Paul Eugen Bleuler and the origin of the term schizophrenia (SCHIZOPRENIEGRUPPE)