[P4–142]: QUANTITATIVE MEASUREMENTS OF MOTOR FUNCTION IN ALZHEIMER's DISEASE, FRONTOTEMPORAL DEMENTIA, AND LEWY BODY DEMENTIA: A PROOF‐OF‐CONCEPT STUDY. (1st July 2017) - Kragh, Frederikke Jeppesen; Hasselbalch, Steen Gregers; Nielsen, Jørgen Erik; Bruun, Marie; Reilmann, Ralf; Schubert, Robin