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Ik-lyul Bae 2 Articles
Effects of a Healing Rhythm System Based on ECG Waveform Simulation on Stress, EEG, Heart Rate, and Anxiety in University Students; A Randomized Controlled Trial
Jae Kyeum Lee, Ik-Lyul Bae
STRESS. 2020;28(4):237-245.   Published online December 31, 2020
DOI: https://doi.org/10.17547/kjsr.2020.28.4.237
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  • 24 Download
  • 1 Citations
Abstract PDF
Background

This study is a randomized control trial (RCT) to compare the effects of the electrocardiogram waveform simulation-based Healing Rhythm System on stress, electroencephalography (EEG), heart rate, and anxiety on healthy college students. Healthy college students without any disease were recruited. A total of 68 participants were collected and analyzed in 31 experimental groups, 17 placebo group, and 20 control group.

Methods

The analysis method was repeated measurement of ANOVA and it was conducted 8 times in total. The effect measurement was checked before and after exposure to stressors and six times every five minutes after intervention.

Results

The results of the study showed that stress was significantly different in the experimental group at 10 minutes (F=4.33, p=.017) and 15 minutes after the intervention, and the EEG was significantly different in the experimental group at the relative alpha Fp1, F3 (F=5.753, p=.005) after the intervention, and the heart rate was significantly different in the experimental group at 15 minutes and 20 minutes (F=3.586, p=.033). The anxiety was significantly different in the experimental group after the pre and post-treatment of stressors (F=18.609, p<.001).

Conclusions

Therefore, HR system will be widely used as a program to induce calming to healthy university students in stressful situations.

A Meta-Analysis on the Effect of Music Intervention on the Anxiety of Children and Adolescents
Ik-lyul Bae, Min-woong Kim
STRESS. 2017;25(2):86-92.   Published online June 30, 2017
DOI: https://doi.org/10.17547/kjsr.2017.25.2.86
  • 162 View
  • 4 Download
  • 1 Citations
Abstract PDF

The present study investigated the effect of music intervention on the anxiety of children and adolescents using meta-analysis, and the specific research purposes were as follows. The targets of the present study were previous studies analyzed the effect of music intervention on anxiety collected the final 28 theses for academic degrees and five scholarly journal articles were used in the analysis. To examine the publication bias of the studies used in the analysis, funnel plot and fail-safe N were verified, and found the publication bias was not significant enough to influence the present study. The homogeneity test showed that the effect size was heterogeneous, and accordingly, a random effect model analysis was carried out and the overall effect size was found to be -1.034. The analysis on the difference in the effect showed that the effect size varied according to subject classification and intervention location for categorical variables and size for continuous variables.


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