Key result
Short HRV biofeedback increases total HRV power and curbs sympathetic activity in adolescents.
Why the study?
The study aimed to determine electroencephalogram responses during a heart rate variability biofeedback session in adolescents with different risks of Internet addiction.
Does a single session of heart rate variability biofeedback alter EEG and HRV parameters in adolescents with different risks of Internet addiction?
Observational (n=100)
Does a single session of heart rate variability biofeedback alter EEG and HRV parameters in adolescents with different risks of Internet addiction?
A single session of heart rate variability biofeedback effectively increases parasympathetic tone and alters brain bioelectrical activity in adolescents, with distinct EEG patterns depending on their risk of Internet addiction.
Answers are grounded in this paper and cite their sources.
Single-session HRV biofeedback was associated with autonomic shifts in adolescents; hypothesis-generating for EEG differences by Internet addiction risk, requiring RCTs before practice change.
The aim of this study was to determine electroencephalogram (EEG) in a session of heart rate variability biofeedback (HRV BF) in adolescents with different Internet addiction (IA) risks. In total, 100 healthy adolescents aged 16–17 years with minimal risk of IA (Group I, 35%), pronounced risk of IA (Group II, 51%), and stable pattern of IA (Group III, 14%) using the Chen Internet Addiction Scale were examined. HRV and EEG parameters were determined at baseline (5 min), and then during the short-term HRV BF session (5 min), in order to increase the total power (TP, ms2) of the HRV spectrum. Against the background of an increase in the TP and a decrease in sympathetic activity, an increase in alpha EEG was revealed, especially in Groups I and II. The greatest increase in the power of beta1-activity of EEG in the frontal, central, and temporal brain regionswas found in Groups I and II. In adolescents with a pronounced risk of IA, HRV BF is accompanied by a severe activation of the brain systems, while in persons with a stable type of IA, the least brain reactivity is shown, especially in the beta1 EEG band.
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Демин et al. (2022) conducted an observational in Internet Addiction Risk (n=100). Heart rate variability biofeedback (HRV BF) vs. Baseline (rest) was evaluated on Total power (TP) of the HRV spectrum and EEG spectral power (p=<0.001). A single 5-minute heart rate variability biofeedback session significantly increased total power of the HRV spectrum and decreased sympathetic activity across all adolescents, while eliciting the least brain reactivity in the beta1 EEG band among those with a stable pattern of Internet addiction.
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