Early and Late Shift of Brain Laterality in STG, HG, and Cerebellum with Normal Aging during a Short-Term Memory Task

Table 1

Demographic and performance data obtained from 51 participants.

Group number: age range	(1) 20–29	(2) 30–39	(3) 40–49	(4) 50–65
𝑁	15	15	10	11
Actual age (range)	23–29	30–37	41–47	50–65
Age (mean ± SD)	27 ± 2.18	33 ± 2.18	45 ± 2.28	59 ± 2.645
Years of education (mean ± SD)	14.8 ± 0.79	15.4 ± 1.50	13.9± 3.16	13 ± 2.49
Word-based STMQ, accuracy rate (mean ± SD)	16.49 ± 2.28	17.73 ± 2.26	14.44 ± 4.5	14.64 ± 3.57
Word-based STMN, accuracy rate (mean ± SD)	17.2 ± 2.92	18.13 ± 2.21	14.44 ± 7.07	11.73 ± 4.28

STMQ: short-term memory task in quiet, STMN: short-term memory task in noise.