Jaspers, a German psychiatrist, published General Psychopathology in 1913. Jaspers, Schneider, and Mayer-Gross were members of the Heidelberg school. General Psychopathology, indirectly through Schneider's and Mayer-Gross' textbooks and directly by its English translation in 1963, led to a narrow set of schizophrenia criteria in the United Kingdom. General Psychopathology had very limited direc...

Karl Jaspers is considered the uncontested founder of psychopathology as a science with its own object and methodology.1 This establishment of psychopathology was based essentially on the rejection of natural scientific reductionism, which attempted to trace back mental phenomena and occurrences of mental disorders to their source in the organic substrate (i.e., in the brain). Indeed, this redu...