Experimental groups	Changes
Experimental groups	Mental fatigue	Mental tension	Anxiety	Emotional stress	Working capacity	Total deviation	Vegetative coefficient
Group 1	−1.4 ± 0.06	−1.3 ± 0.05	−1.8 ± 0.05	−1.6 ± 0.08	1.2 ± 0.1	−3.5 ± 0.12	0.15 ± 0.021
Group 2	−0.42 ± 0.12	−0.41 ± 0.11	−0.8 ± 0.22	−0.5 ± 0.15	0.3 ± 0.15	−0.5 ± 0.21	0.1 ± 0.12
Group 3	−1 ± 0.08	−0.8 ± 0.8	−1.6 ± 0.1	−1.2 ± 0.09	0.8 ± 0.1	−2.5 ± 0.15	0.13 ± 0.053
Group 4	−0.38 ± 0.1	−0.36 ± 0.15	−0.5 ± 0.18	−0.4 ± 0.15	0 ± 0.12	−0.2 ± 0.12	0 ± 0.14