Abstract Purpose The study investigated whether neurofeedback training (NFT) can normalize the excessive high beta and low alpha waves indicative of hyperarousal and subsequently improve autonomous regulation based on the self-determination theory in alcohol use disorders. Methods A nonequivalent control group pretest–posttest design was used. Data were collected using self-report questionnaires from 36 Korean inpatients who met the Alcohol Use Disorder Identification Test in Korea criteria. Data were collected from quantitative electroencephalography to assess alpha (8–12 Hz) and high beta (21–30 Hz) waves for hyperarousal. The questionnaires included Basic Psychological Need Satisfaction scales that assessed autonomy, competence, and relatedness, and the Alcohol Abstinence Self-Efficacy Scale and Treatment Self-Regulation Questionnaire. The experimental group underwent 10 sessions of NFT over 4 weeks. Data were analyzed using the Chi-squared, Mann–Whitney U, and Wilcoxon signed-rank tests. Results In the experimental group, the alpha wave was increased in 15 of 19 sites and high beta waves were decreased in 15 of 19 sites, but this difference was not significant. However, high beta waves were increased in 15 of 19 sites in the control group, with seven sites (Fz, Cz, Pz, Fp2, F4, C4, and P4) showing significant increases. The experimental group showed a significant increase in basic psychological need satisfaction, alcohol abstinence self-efficacy, and self-regulation compared with the control group. Conclusion NFT is recommended for improving autonomous regulation in alcohol use disorder as a nursing intervention. However, for significantly attenuating hyperarousal through brain wave correction, it may be necessary to increase the number of neurofeedback sessions.
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