In this paper we will make an analisis of the disorder of the capacity to be critical in patients with the diagnosis of auxiety neurosis and this will be compared with the expression of this desorder of the thinking disturbances in patients shizophenia, we include three groups of the survey one the neurotics patients, one of shizophenics and the other normals subjects we applied a sistem of pathopsychologicals technics analising the results obtened with statisticals methodes cualitily at last, we present some characteristics wich supose the asistence of diffference between the expressions of uncriticism and neurotics patients shizophenics and we explain the importance of the knowledge of this dissorder.