Study note • PMID 34886301
The Influence of an Alpha Band Neurofeedback Training in Heart Rate Variability in Athletes.
How to use this page
This note summarizes one study record. Check the participants, methods, results, and limitations before applying it to training.
- • Design signal: controlled study.
- • Population relevance: athlete/trained context.
- • Consistency: single-study evidence.
- • Practical recommendation depends on tolerance, context, and whether it protects training consistency.
ELI5
In plain language
Neurofeedback training is a technique which has seen a widespread use in clinical applications, but has only given its first steps in the sport environment. (controlled study; athletes).
The abstract suggests a positive effect on Recovery speed under the tested conditions. Treat this as a signal, not a guarantee; confirm methods and context in the full paper.
Takeaways
What the abstract suggests
- • Study question: Neurofeedback training is a technique which has seen a widespread use in clinical applications, but has only given its first steps in the sport environment.
- • The abstract suggests a positive effect on Recovery speed under the tested conditions.
- • Population: athletes.
- • Protocol cues (title/abstract): 300 min.
Protocol
Protocol (as reported)
- • Intervention/exposure: heart rate variability (vs comparison group).
- • Dose/time/duration cues in abstract/title: 300 min.
- • Outcomes: Recovery speed.
- • Replication note: abstracts often omit adherence and timing; confirm details before changing training or supplementation.
Fit
Who it may help, and who should be cautious
Who it helps
- • Athletes similar to the study population (athletes) working on monitoring.
- • Athletes who can measure Recovery speed with a repeatable workout or time-trial effort.
Who should be cautious
- • If you have symptoms or conditions that make the intervention risky, get professional guidance.
- • If you’re near race day and can’t safely test, defer the experiment.
Methods
What the study actually did
- • Design: controlled study.
- • Population: athletes.
- • Comparator: comparison group.
- • Outcomes measured: Recovery speed.
- • Protocol cues mentioned: 300 min.
- • Source: PubMed PMID 34886301 (2021) — International journal of environmental research and public health.
Results excerpt
What the abstract reports
“Only the three sessions/week group revealed significant improvements in mean heart rate variability at the end of the 12 neurofeedback sessions (p = 0.05); however, significant interaction was not found when compared with both groups.”
Note: excerpts are short; for full context, read the paper.
Limits
Limitations and bias
- • Abstract-only summaries can miss critical details (population, protocol, adherence, and context).
- • Single studies often don’t generalize to your event, history, and training load; treat results as a starting point.
- • If your context differs (elite vs recreational; cycling vs running), adjust expectations and be conservative.
- • This is performance information, not medical advice.
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