Academic anxiety is one of the most prevalent psychological challenges among adolescents and has been associated with impaired executive functioning, attentional control, autonomic dysregulation, and reduced creative performance. Although neurofeedback and audiovisual entrainment have independently demonstrated beneficial effects on neural self-regulation, evidence regarding their integration within an adaptive closed-loop intervention remains limited. This multicenter, parallel-group, randomized controlled trial aims to evaluate the efficacy of an Audiovisual Entrainment Neurofeedback (AVE-NFB) system for improving neural self-regulation, reducing academic anxiety, enhancing autonomic regulation, and promoting divergent thinking among senior high school students. A total of 120 participants recruited from two school centers will be randomly allocated to one of four intervention groups: Combined AVE-Neurofeedback, Neurofeedback Only, Audiovisual Entrainment Only, or Sham Control. Each participant will complete six intervention sessions over a six-week intervention period. During every session, brain activity will be continuously acquired using the Muse S Athena wearable electroencephalography (EEG) headset (256 Hz sampling rate). Following a standardized 5-minute resting calibration (3 minutes eyes closed and 2 minutes eyes open), the system will estimate each participant's individualized resting alpha activity (8-12 Hz). The neurofeedback engine continuously monitors alpha-band power from the bilateral frontal (AF7 and AF8) and temporoparietal (TP9 and TP10) electrodes. Positive audiovisual reinforcement is automatically activated whenever the participant maintains alpha power above the individualized reinforcement threshold for at least 2 seconds while satisfying artifact-quality criteria. Reinforcement is automatically attenuated or suspended whenever alpha activity falls below the threshold or excessive ocular or motion artifacts are detected, thereby establishing a fully adaptive closed-loop reinforcement process based on operant conditioning principles. Outcome assessments will be performed at baseline, immediately after completion of the intervention, one week after the intervention, and one month after the intervention. Primary neural outcomes will include resting-state absolute alpha power measured using Muse S Athena EEG. Secondary outcomes will include academic anxiety assessed using the Spielberger Test Anxiety Inventory (TAI), autonomic regulation assessed using Heart Rate Variability using the Root Mean Square of Successive Differences (RMSSD), and divergent thinking assessed using the Alternative Uses Task (AUT).
Age range
15 Years – 18 Years
Sex
ALL
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Resting-State Alpha Power
Timeframe: Baseline, immediately post-intervention (Week 6), 1-week follow-up (Week 7), and 1-month follow-up (Week 10)