An overview is given of some developments in the field of the molecular biological sciences with their impact on neuropsychiatry and psychopharmacology. Interference with the functioning of the cell will give some clues for the development of new psychotropic drugs. The genesis of disorders will be elucidated. This can lead to new methods of therapy. Moreover, the possibility to affect gene expression may offer opportunities for the development of new drugs. The existence and functioning of priones is explained. Interfering with neuroplastic principles may become an important method for the treatment of neurodegenerative diseases.
