Table 2.

Paired t test of the effects of aerobic exercise on ERP N2 activation in sad No-Go trials versus neutral No-Go trials (n = 30) (*p < 0.05; **p < 0.01); before = before exercise; after = after exercise

	Before Mean ± SE	After Mean ± SE	t(29)	p
Fp1
Sad	− 5.850 ± 0.670	− 5.158 ± 0.600	− 1.012	0.32
Neutral	− 1.208 ± 0.529	− 2.000 ± 0.576	1.627	0.115
Fp2
Sad	− 5.896 ± 0.824	− 4.613 ± 0.675	− 1.571	0.127
Neutral	− 1.963 ± 0.536	− 1.996 ± 0.567	0.07	0.945
F7
Sad	− 5.113 ± 0.535	− 4.304 ± 0.454	− 1.389	0.175
Neutral	− 1.558 ± 0.443	− 1.871 ± 0.477	0.931	0.36
F3
Sad	− 6.400 ± 0.792	− 4.404 ± 0.562	− 2.569	0.016*
Neutral	− 2.117 ± 0.493	− 2.525 ± 0.512	1.048	0.303
Fz
Sad	− 7.704 ± 0.935	− 5.008 ± 0.605	− 3.09	0.004**
Neutral	− 3.229 ± 0.594	− 3.975 ± 0.657	1.313	0.199
F4
Sad	− 6.942 ± 0.940	− 4.488 ± 0.637	− 2.894	0.007**
Neutral	− 2.900 ± 0.522	− 3.092 ± 0.552	0.366	0.717
F8
Sad	− 5.163 ± 0.507	− 4.083 ± 0.640	− 1.595	0.122
Neutral	− 2.379 ± 0.453	− 2.513 ± 0.373	0.308	0.76
C3
Sad	− 4.446 ± 0.676	− 2.963 ± 0.445	− 2.129	0.042*
Neutral	− 2.163 ± 0.414	− 2.021 ± 0.429	− 0.396	0.695
Cz
Sad	− 6.321 ± 0.888	− 3.921 ± 0.495	− 2.77	0.01**
Neutral	− 2.483 ± 0.516	− 1.979 ± 0.580	− 1.017	0.318
C4
Sad	− 4.796 ± 0.815	− 2.850 ± 0.441	− 2.586	0.015*
Neutral	− 2.404 ± 0.406	− 1.846 ± 0.429	− 1.297	0.205

The mean N2 amplitude significantly reduced after aerobic exercise in the F3, F4, Fz, C3, C4, and Cz channels under the sad condition (p < .05)

Bold value indicates the greatest exercise-dependent decreases in the Sad NoGo-N2 amplitude were observed at the Fz electrodes (p < .005)