Table 1 Participant information. For the young adults, the same participants (17 males and 14 females) were assessed for intelligence and emotional intelligence. For the middle-aged adults, 28 participants were included in the intelligence assessment, and 29 participants were included in the emotional intelligence assessment

Young adults

Age (years)

26.8 ± 4.3 (19.5–32.8)

26.8 ± 4.3 (19.5–32.8)

Sex (M/F)

17/14

17/14

Edu (years)

16.7 ± 2.5 (9–22)

16.7 ± 2.5 (9–22)

meanFD

0.09 ± 0.03 (0.05–0.15)

0.09 ± 0.03 (0.05–0.15)

errBBR

0.58 ± 0.03 (0.51–0.64)

0.58 ± 0.03 (0.51–0.64)

Middle-aged

Age (years)

50.1 ± 7.6 (36.6–64.3)

49.6 ± 7.9 (35.9–64.3)

Sex (M/F)

14/14

14/15

Edu (years)

14.1 ± 3.3 (8–22)

14.2 ± 3.2 (8–22)

meanFD^a

0.13 ± 0.06 (0.06–0.29)

0.13 ± 0.06 (0.06–0.29)

errBBR^b

0.56 ± 0.04 (0.48–0.62)

0.56 ± 0.04 (0.48–0.62)