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Analysis of mental behavior signals of exercisers during exercise

  
27 févr. 2025
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Figure 1.

32-bit EEG cap localization map
32-bit EEG cap localization map

Figure 2.

Empirical Mode Decomposition Process
Empirical Mode Decomposition Process

Figure 3.

Overall experimental flow chart
Overall experimental flow chart

Figure 4.

EEG signal asymmetry in two groups of subjects
EEG signal asymmetry in two groups of subjects

Figure 5.

Signal energy of the F7 and F8 channels of subjects in the exercise group
Signal energy of the F7 and F8 channels of subjects in the exercise group

Figure 6.

Comparison of Precision rates of KNN and SVM
Comparison of Precision rates of KNN and SVM

Figure 7.

Comparison of Recall rates of KNN and SVM
Comparison of Recall rates of KNN and SVM

Figure 8.

Comparison of F1 rates of KNN and SVM
Comparison of F1 rates of KNN and SVM

Subjects’ basic personal information, RPE and PAD-P scale scores

Average value (Sports group, 30 people) Standard deviation (Sports group, 30 people) Average value (Control group, 36 people) Standard deviation(Control group, 36 people)
Age 20.22 1.19 19.56 1.32
Height 167.38 8.37 169.33 8.28
Body weight 56.78 8.09 60.47 9.92
BMI 20.08 1.71 21.02 2.56
PRE 5.57 0.77 / /

Number of features, confusion matrix, accuracy and AUC of the optimal subset of the long-term aerobic exercise habit group

Number FP TP FN TN ACC(%) AUC
Positive β SVM 12 53 112 49 115 69.00 75.56
KNN 13 46 118 57 107 68.60 68.54
α SVM 11 61 102 55 108 64.42 67.96
KNN 14 53 110 61 102 65.03 64.88
α-β SVM 18 54 109 32 130 73.54 79.92
KNN 16 36 126 51 111 73.15 73.15
Negative β SVM 12 61 105 47 118 67.37 71.10
KNN 14 50 116 59 107 67.17 67.11
α SVM 13 65 101 51 115 65.06 68.52
KNN 11 50 116 62 104 66.27 66.25
α-β SVM 16 58 106 33 131 73.26 78.75
KNN 16 38 126 50 115 74.25 73.11

Pleasantness and arousal rate of stimulus pictures before and after exercise

Mean value (pleasantnes) Standard deviation (pleasantness) Mean value (arousal rate) Standard deviation(arousal rate)
Pre-test experiments Negative Picture 2.88 0.97 5.80 1.51
Neutral Picture 4.99 0.04 3.68 1.11
Post-test experiments Negative Picture 2.87 0.96 5.76 0.91
Neutral Picture 4.99 0.04 3.26 1.17