The terminology changed after 1977 when a conference on AD concluded that the clinical and pathological manifestations of presenile and senile dementia were almost identical, although the authors also added that this did not rule out the possibility that they had different causes.
A terminoloxía cambiou desde 1977 cando, nunha conferencia sobre alzhéimer, chegouse á conclusión de que as manifestacións clínicas e patolóxicas da demencia presenil e senil eran case idénticas, aínda que os autores tamén agregaron que iso non descartaba a posibilidade de que tivesen causas diferentes.