The psychoorganic syndrome is a deviation in the mental state due to damage or dysfunction of the brain structures. It is associated with the occurrence of mental disorders manifested in the behavioral, socio-emotional, cognitive and therefore also communicative sphere. The article describes the case of a 68-year-old patient who was diagnosed with the psychoorganic syndrome. The changes observed in her relate to significant dysfunctions in the areas of competence, interaction, communication and language.