Obleser J, Kayser C. Neural entrainment and attentional selection in the listening brain. Trends Cogn Sci 2019; 23: 913–26. https://doi.org/10.1016/j.tics.2019.08.004

Article  PubMed  Google Scholar 

Huang TL, Charyton C. A comprehensive review of the psychological effects of brainwave entrainment. Altern Ther Health Med 2008; 14: 38–50.

PubMed  Google Scholar 

Schmid W, Marhofer P, Opfermann P, et al. Brainwave entrainment to minimise sedative drug doses in paediatric surgery: a randomised controlled trial. Br J Anaesth 2020; 125: 330–5. https://doi.org/10.1016/j.bja.2020.05.050

Article  CAS  PubMed  Google Scholar 

Bae J, Yoo S, Kim H, et al. Effect of real-time binaural music on sedation with dexmedetomidine during spinal anesthesia: a triple-arm, assessor-blind, randomized controlled trial. J Clin Anesth 2023; 84: 110997. https://doi.org/10.1016/j.jclinane.2022.110997

Article  PubMed  Google Scholar 

Loong LJ, Ling KK, Tai ELM, Kueh YC, Kuan G, Hussein A. The effect of binaural beat audio on operative pain and anxiety in cataract surgery under topical anaesthesia: a randomized controlled trial. Int J Environ Res Public Health 2022; 19. https://doi.org/10.3390/ijerph191610194

Article  PubMed  PubMed Central  Google Scholar 

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; 60: 874–7. https://doi.org/10.1111/j.1365-2044.2005.04287.x

Article  CAS  PubMed  Google Scholar 

Brower RG, Matthay MA, Morris A, Schoenfeld D, Thompson BT, Wheeler A. Ventilation with lower tidal volumes as compared with traditional tidal volumes for acute lung injury and the acute respiratory distress syndrome. N Engl J Med 2000; 342: 1301–8. https://doi.org/10.1056/nejm200005043421801

Article  PubMed  Google Scholar 

Bhattacharya S, Donoghue JA, Mahnke M, Brincat SL, Brown EN, Miller EK. Propofol anesthesia alters cortical traveling waves. J Cogn Neurosci 2022; 34: 1274–86. https://doi.org/10.1162/jocn_a_01856

Article  PubMed  Google Scholar 

Turkistani A, Abdullah KM, Al-Shaer AA, Mazen KF, Alkatheri K. Melatonin premedication and the induction dose of propofol. Eur J Anaesthesiol 2007;24:399-402. https://doi.org/10.1017/s0265021506001505

Article  CAS  PubMed  Google Scholar 

Purdon PL, Sampson A, Pavone KJ, Brown EN. Clinical electroencephalography for anesthesiologists: part I: background and basic signatures. Anesthesiology 2015; 123: 937–60. https://doi.org/10.1097/aln.0000000000000841

Article  CAS  PubMed  Google Scholar 

Moody OA, Zhang ER, Vincent KF, et al. The neural circuits underlying general anesthesia and sleep. Anesth Analg 2021; 132: 1254–64. https://doi.org/10.1213/ane.0000000000005361

Article  PubMed  PubMed Central  Google Scholar 

Jirakittayakorn N, Wongsawat Y. A novel insight of effects of a 3-Hz binaural beat on sleep stages during sleep. Front Hum Neurosci 2018; 12: 387. https://doi.org/10.3389/fnhum.2018.00387

Article  PubMed  PubMed Central  Google Scholar 

Peng W, Babiloni C, Mao Y, Hu Y. Subjective pain perception mediated by alpha rhythms. Biol Psychol 2015; 109: 141–50. https://doi.org/10.1016/j.biopsycho.2015.05.004

Article  PubMed  Google Scholar 

O’Connell NE, Marston L, Spencer S, DeSouza LH, Wand BM. Non-invasive brain stimulation techniques for chronic pain. Cochrane Database Syst Rev 2018; 4: CD008208. https://doi.org/10.1002/14651858.CD008208.pub4

Article  PubMed  Google Scholar 

Pratt H, Starr A, Michalewski HJ, Dimitrijevic A, Bleich N, Mittelman N. Cortical evoked potentials to an auditory illusion: binaural beats. Clin Neurophysiol 2009;120:1514-24. https://doi.org/10.1016/j.clinph.2009.06.014

Article  PubMed  PubMed Central  Google Scholar 

Gao X, Cao H, Ming D, et al. Analysis of EEG activity in response to binaural beats with different frequencies. Int J Psychophysiol 2014; 94: 399–406. https://doi.org/10.1016/j.ijpsycho.2014.10.010

Article  PubMed  Google Scholar 

Lopez-Diaz K, Henshaw J, Casson AJ, et al. Alpha entrainment drives pain relief using visual stimulation in a sample of chronic pain patients: a proof-of-concept controlled study. Neuroreport 2021; 32: 394–8. https://doi.org/10.1097/wnr.0000000000001606

Article  PubMed  Google Scholar 

Ecsy K, Jones AKP, Brown CA. Alpha-range visual and auditory stimulation reduces the perception of pain. Eur J Pain 2017; 21: 562–72. https://doi.org/10.1002/ejp.960

Article  CAS  PubMed  Google Scholar 

Tani A, Vagheggini G, Moretti F, et al. Binaural beats reduce postoperative morphine consumption in older adults after total knee replacement surgery. Altern Ther Health Med 2021; 27: 27–30.

PubMed  Google Scholar 

Tani A, Tartarisco G, Vagheggini G, Vaccaro C, Campana S, Tomaiuolo F. Binaural beats reduce feeling of pain and discomfort during colonoscopy procedure in not-sedated patients: a randomized control trial. Complement Ther Clin Pract 2022; 48: 101605. https://doi.org/10.1016/j.ctcp.2022.101605

Article  PubMed  Google Scholar 

Dabu-Bondoc S, Vadivelu N, Benson J, Perret D, Kain ZN. Hemispheric synchronized sounds and perioperative analgesic requirements. Anesth Analg 2010; 110: 208–10. https://doi.org/10.1213/ane.0b013e3181bea424

Article  PubMed  Google Scholar 

Gkolias V, Amaniti A, Triantafyllou A, et al. Reduced pain and analgesic use after acoustic binaural beats therapy in chronic pain—a double-blind randomized control cross-over trial. Eur J Pain 2020; 24: 1716–29. https://doi.org/10.1002/ejp.1615

Article  PubMed  Google Scholar 

Zampi DD. Efficacy of theta binaural beats for the treatment of chronic pain. Altern Ther Health Med 2016; 22: 32–8.

PubMed  Google Scholar 

Belletti A, Naorungroj T, Yanase F, Eastwood GM, Weinberg L, Bellomo R. Normative values for SedLine-based processed electroencephalography parameters in awake volunteers: a prospective observational study. J Clin Monit Comput 2021; 35: 1411–9. https://doi.org/10.1007/s10877-020-00618-4

Article  PubMed  Google Scholar 

Shi HJ, Wang S, Wang XP, Zhang RX, Zhu LJ. Hippocampus: molecular, cellular, and circuit features in anxiety. Neurosci Bull 2023; 39: 1009–26. https://doi.org/10.1007/s12264-023-01020-1

Article  PubMed  PubMed Central  Google Scholar 

Parodi A, Fodde P, Pellecchia T, Puntoni M, Fracchia E, Mazzella M. A randomized controlled study examining a novel binaural beat technique for treatment of preoperative anxiety in a group of women undergoing elective Caesarean section. J Psychosom Obstet Gynaecol 2021; 42: 147–51. https://doi.org/10.1080/0167482x.2020.1751607

Article  PubMed  Google Scholar 

Opartpunyasarn P, Vichitvejpaisal P, Oer-Areemitr N. The effect of binaural beat audio on anxiety in patients undergoing fiberoptic bronchoscopy: a prospective randomized controlled trial. Medicine 2022; 101: e29392. https://doi.org/10.1097/MD.0000000000029392

Article  PubMed  PubMed Central  Google Scholar 

Uygun DS, Basheer R. Circuits and components of delta wave regulation. Brain Res Bull 2022; 188: 223–32. https://doi.org/10.1016/j.brainresbull.2022.06.006

Article  PubMed  PubMed Central  Google Scholar 

Di Nasso L, Nizzardo A, Pace R, Pierleoni F, Pagavino G, Giuliani V. Influences of 432 Hz music on the perception of anxiety during endodontic treatment: a randomized controlled clinical trial. J Endod 2016; 42: 1338–43. https://doi.org/10.1016/j.joen.2016.05.015

Article  PubMed  Google Scholar 

Calamassi D, Pomponi GP. Music tuned to 440 Hz versus 432 Hz and the health effects: a double-blind cross-over pilot study. Explore (NY) 2019; 15: 283–90. https://doi.org/10.1016/j.explore.2019.04.001

Article  PubMed  Google Scholar 

Calamassi D, Li Vigni ML, Fumagalli C, Gheri F, Pomponi GP, Bambi S. The listening to music tuned to 440 Hz versus 432 Hz to reduce anxiety and stress in emergency nurses during the COVID-19 pandemic: a double-blind, randomized controlled pilot study. Acta Biomed 2022; 93: e2022149. https://doi.org/10.23750/abm.v93iS2.12915