Table 2.
Cognitive parameters, serum level of BDNF and irisin before and after eight weeks.
| Characteristics | PH (n = 11) | ME (n = 11) | PH + ME (n = 13) | CO (n = 9) | ||||
|---|---|---|---|---|---|---|---|---|
| Pre | Post | Pre | Post | Pre | Post | Pre | Post | |
| WM (N) | 7.90 (2.34) | 7.81 (2.08) | 7.90 (2.47) | 9.45 (2.65)a,b,c | 7.30 (2.01) | 8.37 (2.93)a | 6.66 (2.44) | 6.44 (2.24) |
| PS (cn/90s) | 16.45 (5.57) | 16.32 (2.25) | 17.45 (5.41) | 19.45 (7.20)a,b,c | 14.30 (4.19) | 15.23 (4.71) | 15.77 (5.40) | 15.66 (4.64) |
| RT (ms) | 2911.81 (282.50) | 2715.81 (445.16) | 2519.63 (306.52) | 2229.81 (312.96)a | 2489.92 (527.58) | 2386.38 (444.94) | 3115.33 (393.21) | 2831.44 (306.30) |
| EN (N) | 7.63 (1.96) | 7.45 (2.25) | 8.27 (1.67) | 6.54 (1.29)a,c | 7.00 (1.94) | 5.84 (1.67) | 7.66 (2.00) | 7.88 (1.67) |
| Irisin (ng/ml) | 11.23 (2.77) | 11.47 (3.08) | 10.57 (1.99) | 9.92 (1.66) | 10.38 (1.02) | 11.33 (2.04)a,c,d | 13.67 (5.23) | 12.87 (4.95) |
| BDNF (pg/mL) | 1167.46 (473.91) | 1122.41 (542.66) | 1328.45 (282.10) | 1678.72 (356.56)a,c | 1326.84 (278.34) | 1516.76 (307.67)a | 1507.10 (427.46) | 1317.40 (506.83) |
Abbreviations: BDNF, brain derived neurotrophic factor; CO, control group; EN, error number; ME, mental training; PH, physical training; PS, processing speed; RT, reaction time; WM, working memory.
aSignificant differences between the pretest and posttest values in ME group (P = .004) and ME+PH (P = .020), between the b ME and CO groups (P = .012), c ME and PH groups (P = .014) in score of working memory.
a Significant differences between the pretest and posttest values in the ME group (P = .011), between the b ME and CO groups (P = .024), c ME and PH groups (P = .012) in processing speed. a Significant differences between the pretest and posttest values in the ME group (P = .001) in reaction time. a Significant differences between the pretest and posttest values in the ME group (P = .002), between the c ME and CO groups (P = .019) in error number.
a Significant differences between the pretest and posttest values in the ME+PH group (P = .020), between the c ME+PH and ME groups (P = .027), d ME+PH and CO groups (P = .021) in irisin levels. a Significant differences between the pretest and posttest values in the ME group (P = .013) and ME+PH group (P = .008), between the c ME and CO groups (P = .024) in BDNF (Brain Derived Neurotrophic Factor) levels.