Table 1. Characteristics of the sample divided by age group.

	Younger adults	Older adults
	(n = 19)	(n = 15)
Handedness score	92.4 (9.28)	92.5 (9.60)
MMSE score	-	29.2 (0.78)
Years of education	15.7 (3.25)	14.9 (3.11)
DSST raw score	86.0 (14.2)	61.3 (11.0)
DSST standardized score	11.6 (2.77)	10.7 (2.29)
SWT raw score	32.4 (3.24)	32.9 (2.10)
SWT standardized score	0.43 (0.57)	0.47 (0.44)

Values represent mean scores and standard deviations (parenthesized). DSST and SWT values are shown as raw scores and as standardized scores adjusted to the following means: DSST: M = 10, SD = 3 (age-adjusted); SWT: M = 0, SD = 1.