[4] Gerhard Mauz defined it as schizocaria, a psychosis that caused the absolute destruction of the core of one's being.
[6] This term has not been included in any version of the Diagnostic and Statistical Manual of Mental Disorders (DSM).
Using dementia praecox as a base, Eugen Bleuler defined and differentiated subtypes of schizophrenia at the turn of the century.
[10] Manfred Bleuler posited that improved hospitals, nursing care, and rehabilitation efforts led to this decline.
[6] The term was not included in the DSM-I and is now no longer used due to changes in how the sub-types of schizophrenia are defined.