Brainwave entrainment, a technique that uses rhythmic stimuli to synchronize brainwave frequencies, has garnered significant attention for its potential therapeutic applications. This method leverages auditory and visual stimuli to promote various mental and physical health benefits. Here’s a concise overview of the main benefits and applications of brainwave entrainment based on recent studies.
- Cognitive Enhancement
Brainwave entrainment has been shown to improve various aspects of cognitive function. Studies indicate enhancements in memory performance, overall cognitive flexibility, and modulation of connectivity patterns (Lim et al., 2018; Calomeni et al., 2017; Hommel et al. 2016).
- Pain Reduction
Several studies highlight the analgesic effects of brainwave entrainment. By targeting specific brainwave frequencies, this technique can reduce the perception of acute pain and chronic pain severity. Entrainment in the alpha range has been particularly effective in decreasing pain perception during acute procedures (Tang et al., 2014; Garcia-Argibay et al., 2019; Ecsy et al., 2017; Zampi 2016).
- Anxiety and Stress Relief
Brainwave entrainment is beneficial in reducing anxiety and stress. It has been effectively used to alleviate preoperative anxiety in dental procedures and general stress responses. This reduction in anxiety also extends to improved parasympathetic activation post-exercise, indicating its role in enhancing overall relaxation and stress management (Isik et al., 2017; Padmanabhan et al., 2005; Chaieb et al., 2017; McConnell et al., 2014; Kelton et al., 2021).
- Sleep Improvement
Improving sleep quality and the post-sleep state is a notable application of brainwave entrainment. Studies have shown that entrainment can lead to better sleep patterns and enhanced physical recovery post-sleep, which is beneficial for athletes and individuals with sleep disturbances (Tang et al., 2015; Tang et al., 2014; Abeln et al., 2014).
- Emotional and Behavioral Regulation
Brainwave entrainment has shown positive effects on emotional regulation and behavioral issues. It has been used to reduce mental fatigue, improve mood, and enhance attentional control. (Lim et al., 2018; Chaieb et al., 2015; Reedijk et al., 2015).
- Support in Neurodegenerative Diseases
In neurodegenerative conditions like Parkinson’s disease, brainwave entrainment has demonstrated possible co-assistant benefits. It can normalize brain functional connectivity, EGG power and improve working memory in affected individuals. Pre-clinical studies have also shown promising effects regarding attenuation of Alzheimer’s-disease-associated pathology (Gálvez et al., 2018; Laccarino et al., 2016).
Conclusion
The growing body of research underscores the versatility and effectiveness of brainwave entrainment in promoting mental and physical health. From cognitive enhancements and pain reduction to improved sleep and emotional regulation, this non-invasive technique offers a promising avenue for various therapeutic applications. By integrating brainwave entrainment into wellness routines, individuals can harness the power of rhythmic stimuli to enhance their overall well-being and cognitive function.
References
Abeln V, Kleinert J, Strüder HK, Schneider S. Brainwave entrainment for better sleep and post-sleep state of young elite soccer players – a pilot study. Eur J Sport Sci. 2014;14(5):393-402. doi: 10.1080/17461391.2013.819384.
Calomeni MR, Furtado da Silva V, Velasques BB, Feijó OG, Bittencourt JM, Ribeiro de Souza E Silva AP. Modulatory Effect of Association of Brain Stimulation by Light and Binaural Beats in Specific Brain Waves. Clin Pract Epidemiol Ment Health. 2017 Sep 14;13:134-144. doi: 10.2174/1745017901713010134.
Chaieb L, Wilpert EC, Hoppe C, Axmacher N, Fell J. The Impact of Monaural Beat Stimulation on Anxiety and Cognition. Front Hum Neurosci. 2017 May 15;11:251.
Chaieb L, Wilpert EC, Reber TP, Fell J. Auditory beat stimulation and its effects on cognition and mood States. Front Psychiatry. 2015 May 12;6:70. doi: 10.3389/fpsyt 2015.00070.
Ecsy K, Brown CA, Jones AKP. Cortical nociceptive processes are reduced by visual alpha-band entrainment in the human brain. Eur J Pain. 2018 Mar;22(3):538-550. doi: 10.1002/ejp.1136.
Gálvez G, Recuero M, Canuet L, Del-Pozo F. Short-Term Effects of Binaural Beats on EEG Power, Functional Connectivity, Cognition, Gait and Anxiety in Parkinson’s Disease. Int J Neural Syst. 2018 Jun;28(5):1750055. doi: 10.1142/ S0129065717500551.
Garcia-Argibay M, Santed MA, Reales JM. Efficacy of binaural auditory beats in cognition, anxiety, and pain perception: a meta-analysis. Psychol Res. 2019 Mar;83(2) 357-372. doi: 10.1007/s00426-018-1066-8.
Hommel B, Sellaro R, Fischer R, Borg S, Colzato LS. High-Frequency Binaural Beats Increase Cognitive Flexibility: Evidence from Dual-Task Crosstalk. Front Psychol. 2016 Aug 24;7:1287. doi: 10.3389/fpsyg.2016.01287.
Isik BK, Esen A, Büyükerkmen B, Kilinç A, Menziletoglu D. Effectiveness of binaural beats in reducing preoperative dental anxiety. Br J Oral Maxillofac Surg. 2017 Jul;55(6):571-574. doi: 10.1016/j.bjoms.2017.02.014.
Kelton K, Weaver TL, Willoughby L, Kaufman D, Santowski A. The Efficacy of Binaural Beats as a Stress-buffering Technique. Altern Ther Health Med. 2021 Jul;27(4):28-33. PMID: 32619206.
Laccarino HF, Singer AC, Martorell AJ, Rudenko A, Gao F, Gillingham TZ, Mathys H, Seo J, Kritskiy O, Abdurrob F, Adaikkan C, Canter RG, Rueda R, Brown EN, Boyden ES, Tsai LH. Gamma frequency entrainment attenuates amyloid load and modifies microglia. Nature. 2016 Dec 7;540(7632):230-235. doi: 10.1038/nature20587. Erratum in: Nature. 2018 Oct;562(7725):E1.
Lim JH, Kim H, Jeon C, Cho S. The effects on mental fatigue and the cognitive function of mechanical massage and binaural beats (brain massage) provided by massage chairs. Complement Ther Clin Pract. 2018 Aug;32:32-38. doi: 10.1016/ j.ctcp.2018.04.008.
McConnell PA, Froeliger B, Garland EL, Ives JC, Sforzo GA. Auditory driving of the autonomic nervous system: Listening to theta-frequency binaural beats post-exercise increases parasympathetic activation and sympathetic withdrawal. Front Psychol. 2014 Nov 14;5:1248. doi: 10.3389/fpsyg.2014.01248.
Padmanabhan R, Hildreth AJ, Laws D. A prospective, randomised, controlled study examining binaural beat audio and pre-operative anxiety in patients undergoing general anaesthesia for day case surgery. Anaesthesia. 2005 Sep;60(9):874-7. PMID: 16115248
Reedijk SA, Bolders A, Colzato LS, Hommel B. Eliminating the Attentional Blink through Binaural Beats: A Case for Tailored Cognitive Enhancement. Front Psychiatry. 2015 Jun 4;6:82. doi: 10.3389/fpsyt.2015.00082.
Tang HY, Vitiello MV, Perlis M, Mao JJ, Riegel B. A pilot study of audio-visual stimulation as a self-care treatment for insomnia in adults with insomnia and chronic pain. Appl Psychophysiol Biofeedback. 2014 Dec;39(3-4):219-25. doi: 10.1007/s10484-014-9263-8.
Tang HY, Vitiello MV, Perlis M, Riegel B. Open-Loop Neurofeedback Audiovisual Stimulation: A Pilot Study of Its Potential for Sleep Induction in Older Adults. Appl Psychophysiol Biofeedback. 2015 Sep;40(3):183-8. doi: 10.1007/ s10484-015-9285-x.
Zampi DD. Efficacy of Theta Binaural Beats for the Treatment of Chronic Pain. Altern Ther Health Med. 2016 Jan-Feb;22(1):32-8. PMID: 26773319.
