“The machine will produce the results of a prefrontal lobotomy without the negative effects of the knife,” the voice said. “You see, instead of severing the prefrontal lobe, a single lobe, that is, we apply pressure in the proper degrees to the major centers of nerve control—our concept is Gestalt—and the result is as complete a change of personality as you’ll find in your famous fairy-tale cases of criminals transformed into amiable fellows after all that bloody business of a brain operation.