The importante of the psychotropic drugs to the investigation into the organic-cerebral foundations of the psychopathological phenomena is discussed and clarified on biachemical research regarding the significante of monoamine oxidase inhibition as an anti-depressive principle.
Then it is emphatically established that the present growing interest into psychopharmacology leads not only to investigations in somatic direction, but also induces a renovated experimental orientation tot psychopathological description and differentiation. This dual aspect is estimated characteristic of psychopharmacological research.