The Brain Activity from the Dynamic Health Qigong Techniques
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February 24, 2018 - Health Qigong is a common technique of Traditional Chinese Medicine applied to strengthen mental and physical health. EEG is an electrophysiological monitoring method to record electrical activity of the brain. Several studies report increases in EEG theta and alpha activity after meditative Qigong techniques indicating a relaxed state of mind. To date, however, little is known on the effects of dynamic Health Qigong techniques that comprise bodily movements on brain activity.
In the recent study published by Frontiers in psychology, University of Mainz in Germany compared effects of two dynamic Health Qigong techniques on EEG brain activity. Subjects performed the techniques Wu Qin Xi (five animals play) and Liu Zi Jue (six healing sounds) in a within-subjects design. Eyes-open and eyes-closed resting EEG was recorded before and immediately after each 15-min practice block. Additionally, the Profile of Mood States (POMS) questionnaire was administered at pretest, and after each 15-min practice block.
Results show a decrease in alpha activity after 15 minutes, followed by an increase after 30 minutes in the Health Qigong technique Liu Zi Jue. Theta activity was decreased after 15 minutes, followed by an increase after 30 minutes in the technique Wu Qin Xi. Results of the POMS indicated an increased vigor-activity level with decreased fatigue and tension-anxiety levels in both techniques after 30 minutes of practice.
The results demonstrate different temporal dynamics in EEG theta and alpha activity for the Health Qigong techniques Wu Qin Xi and Liu Zi Jue. The found brain activation patterns are probably results from different attentional focusing styles and breathing techniques performed during the investigated Health Qigong techniques.