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. 2021 Mar 26;9(1):14.
doi: 10.1007/s13755-021-00144-w. eCollection 2021 Dec.

Quantitative EEG in sports: performance level estimation of professional female soccer players

Kittichai Tharawadeepimuk  1 , Yodchanan Wongsawat  2
Affiliations

Quantitative EEG in sports: performance level estimation of professional female soccer players

Kittichai Tharawadeepimuk et al. Health Inf Sci Syst. .

Abstract

Purpose: Measuring the peak performance of athletes remains a challenge in movement science and sports psychology. Non-invasive quantitative electroencephalography (QEEG) recordings can be used to analyze various factors in sports psychology.

Method: In this context, sports-related psychological factors were used to estimate the performance of Thai professional female soccer players before a competition. The QEEG recordings of thirty-two players were recorded three times: twice before a competition (once a week) and a week after a competition. Four factors of sports psychology were estimated and observed: anxiety, perceptual response to an acute bout of brain activity, assertiveness, and brain central fatigue. A brain topographic map (absolute power) and brain connectivity (coherence and amplitude asymmetry) data were used to analyze sports-related psychological factors. These factors were measurable based on the brain activity of the athletes and could be used to evaluate their performance during competitions by using QEEG values.

Results: Sports-related psychological performance was estimated by Pearson's correlation coefficients, which revealed that a quick perceptual response to an acute bout of brain activity could predict an athlete's performance during competition (r = .584, p = .000). Additionally, Spearman's correlation coefficients were used to estimate athletes performance. The results revealed a strong relationship ( r s =.634, p = .000), which was derived from the summation of anxiety and perceptual response to an acute bout of brain activity.

Conclusion: Consequently, the results of the present study can provide information to help staff coaches to choose the best performing players, representing an alternative method for accurately selecting key players in the competitive sports community.

Keywords: Brain connectivity (coherence and amplitude asymmetry); Brain topographic map (absolute power); Peak performance; Quantitative electroencephalogram (QEEG); Sports psychology.

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Conflict of interest statement

Conflict of interestThe authors reported no potential conflicts of interest.

Figures

Fig. 1
Fig. 1
Scatter plot of four sports-related psychological factors and average performance scores (APSs)
Fig. 2
Fig. 2
Anxiety results at the three time points according to QEEG values in the alpha frequency band (Z score FFT: absolute power)
Fig. 3
Fig. 3
Brain activity of Thai professional female soccer players presented as QEEG values (Z score FFT: absolute power) in the alpha frequency band
Fig. 4
Fig. 4
The trends of the brain activity of 32 Thai professional female soccer players presented as QEEG values (Z score FFT: absolute power) in the alpha frequency band
Fig. 5
Fig. 5
The results of perceptual responses at the three time points to an acute bout of brain activity based on QEEG values (Z score FFT: coherence) in the delta frequency band
Fig. 6
Fig. 6
Brain activity of Thai professional female soccer players presented as QEEG values (Z score FFT: coherence) in the delta frequency band
Fig. 7
Fig. 7
The trends of the brain activity of 32 Thai professional female soccer players presented as QEEG values (Z score FFT: coherence) in the delta frequency band
Fig. 8
Fig. 8
Assertiveness results at the three time points according to QEEG values (Z score FFT: absolute power) in the beta frequency band
Fig. 9
Fig. 9
Assertiveness results at the three time points according to QEEG values (Z score FFT: amplitude asymmetry) in the beta frequency band
Fig. 10
Fig. 10
Brain activity of Thai professional female soccer players presented as QEEG values (Z score FFT: absolute power) in the beta frequency band
Fig. 11
Fig. 11
Brain activity of Thai professional female soccer players presented as QEEG values (Z score FFT: amplitude asymmetry) in the beta frequency band
Fig. 12
Fig. 12
The trends of the brain activity of 32 Thai professional female soccer players presented as QEEG values (Z score FFT: absolute power) in the beta frequency band
Fig. 13
Fig. 13
The tends of the brain activity of 32 Thai professional female soccer players presented as QEEG values (Z score FFT: amplitude asymmetry) in the beta frequency band
Fig. 14
Fig. 14
The brain central fatigue results at the three time points according to QEEG values (Z score FFT: coherence) in the delta frequency band
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