TY - GEN AU - Sclan,S G AU - Foster,J R AU - Reisberg,B AU - Franssen,E AU - Welkowitz,J TI - Application of Piagetian measures of cognition in severe Alzheimer's disease SN - 0702-8466 PY - 1991///0321 KW - Aged KW - Aged, 80 and over KW - Alzheimer Disease KW - diagnosis KW - Cognition Disorders KW - Concept Formation KW - Female KW - Humans KW - Male KW - Neuropsychological Tests KW - statistics & numerical data KW - Psychometrics N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S ER -