Our hypothesis is that the decrease in cognitive function in individuals with Alzheimer's disease is associated with the level of functional mobility. Sociodemographic information of participants will be recorded. Cognition will assessed with Montreal Cognitive Assessment (MoCA), global score and MoCA's visuospatial executive functions, naming, attention, language, abstract thinking, delayed recall, orientation sub-scores will recorded. Functional mobility will assessed Timed Up and Go Test and 5 Times Sit\&Stand Test.