Table 1.

Participant demographic information

	Young (n = 25)	Older (n = 23)
Age	22.32 (3.28)	71.04 (8.04)
Education (years)	14.96 (1.69)	16.92 (2.04)
Cognitive assessment tasks
MMSE		29.65 (0.65)
WAIS-III
Symbol search		13.00 (2.76)
Digit symbol coding		12.83 (3.01)
Symbol copy		111.78 (19.41)
Digit span		13.39 (3.16)
Arithmetic		11.39 (3.17)
Letter number sequencing		12.69 (4.18)
Vocabulary		12.91 (2.50)
BDI		1 (3.74)
GDS		0.86 (1.08)

Data are shown as means (SD) of demographic variables and cognitive assessment tasks separated by age group.

MMSE, Mini-Mental State Exam; WAIS, Weschler Adult Intelligence Scale; BDI, Beck's Depression Inventory; GDS, Geriatric Depression Scale.