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Effect of normal aging on BIS/BAS score
| Age group | 46–64 (n = 17) | 65–69 (n = 23) | 70–74 (n = 17) | 75–90 (n = 18) | F value |
|---|---|---|---|---|---|
| Gender (M:F) | 5:12 | 8:15 | 12:5 | 9:9 | χ2 = 7.31 |
| BIS total | 15.1 (2.4) | 15.65 (3.6) | 16.35 (3.6) | 16.44 (3.7) | 0.891 |
| BAS-D | 9.9 (2.9) | 10.04 (2.3) | 9.71 (2.6) | 10.17 (2.2) | 0.11 |
| BAS-RR | 15.3 (2.9) | 15.83 (2.0) | 14.35 (3.0) | 14.39 (2.3) | 1.62 |
| BAS-FS | 9.9 (3.6) | 10.74 (2.1) | 9.18 (2.0) | 9.5 (1.4) | 1.66 |
