Standardized protocol for cognitive assessment and composite domain z-score calculation

Summary
Standardized protocol for cognitive assessment and composite domain zscore calculation We will design a cognitive assessment battery that could be used in all 3 languages English Czech Hungarian Only tests validated in all 3 countries will be used to enable to calculate composite domain zscores in the following domains attention executive function memory visuospatial functions language The battery should not exceed 60 min of testing We will test feasibility of this battery in older healthy subjects