Table 3.

Longitudinal neuropsychological data collected from MS. Raw scores for each of the 5 time points are reported.

	73 yo	77 yo	78 yo	79 yo	80 yo
Premorbid intellectual abilities
American National Adult Reading Test (Venegas & Clark, 2011)	116	111	109	–	–
Dementia severity
MMSE (Folstein et al., 1975)	29	24***	24***	22***	22***
Memory
Logical Memory IA (Wechsler, 1987a)	7°	7°	3*	3*	0***
Logical Memory IIA	4°	1*	0**	0**	0**
Attention and working memory
Digit Span Forward (Wechsler, 1987a)	6	6	7	6	6
Digit Span Backward	4	3°	6	5	5
Processing speed
WAIS-R Digit-Symbol (Wechsler, 1987b)	50	50	36	39	28
Trails A (time - seconds) (Reitan & Wolfson, 1993)	40	30	47	38	75***
Trails A (errors)	–	0	0	0	0
Executive functions
Trails B (time - seconds)	50	219***	161°	n.e.	178*
Trails B (errors)	–	3	2	–	11*
Language
Category Fluency: Animals (Morris et al., 1989)	16	10*	16	9*	9*
Category Fluency: Vegetables	16	11	13	10	9
BNT	26	16***	19***	16***	11***
Geriatric Depression Scale (Yesavage et al., 1983)	9	1	0	–	1
Functional Assessment Questionnaire (FAQ, %) (Pfeffer, Kurosaki, Harrah, Chance, & Filos, 1982)	–	31.94	40.38	41.9	–

^*mildly impaired compared to normative data;

^**moderated impaired;

^***severely impaired;

^°low average. Normative data reported in Weintraub et al. (2009) and Shirk et al. (2011). n.e.: not evaluable. yo: years old