There are differences between high (over 18 hertz), mid (15 to 18 hertz), and low range beta states (12 to 15 hertz). Low beta states are more relaxed while still being focused, making this a good range for many daily work related tasks like balancing a checkbook, making a shopping list, or driving to a new place. However, people with attention deficit disorder lack the mental focus for doing these types of activities, and studies have found people with ADD are often low in this range of beta brainwaves.
“Brainwave entrainment has powerful benefits, that's clear. But most brainwave entrainment CDs tend to be non-specific, across the board. What if you want to achieve one particular state, 'cos that's what you need right now? That's possible with these Brain Salon sessions! You want to chill out, get ideas, go to sleep, feel energized or happy, or get 100% mentally switched-on - just listen to the session and you've got it! You 'get the hang' of these states too, so after enough practice you don't even need the brainwave entrainment CDs to control your own mind. It's worked for me, and I'm sure will do the same for you too.”
These guys behind this system are just brilliant, and I have seen many people confirming this, as they are loving the experience with this system. Actually, I went through a few groups and forums and found people saying they had a pretty great time. But since I’m not allowed to take screenshots of the forums, here is one I managed to get elsewhere:
Since I'd never been, I didn't know what to expect but I was pleasantly surprised when I arrived at this beautiful, modern salon located in a gorgeous historic building (ps parking was a breeze - I found a big open spot directly across the street from the salon). Stacy was really warm & friendly and did a quick but thorough consult before getting down to business. She then did an amazing shampoo job - she didn't get a drop of water on my face so I could have applied my make-up before & avoided looking like a hot mess after all. She then gave me a fantastic blow out that looked great & i was thoroughly pleased with. I would absolutely return.
Proceedings of the 9th Conference on Interdisciplinary Musicology – CIM14. Berlin, Germany 2014 first  group  it  increases,  and  for  the  second  decreases. Experimental  group  did  not  fall  asleep  but  maintained  a relaxation state after the stimulus, while control group achieved unconscious relaxation but the  effects  did  not  hold. The  STAI “State”  indicated  that  stress  increased  after  the  stimulus  for control group (see graph A1.2). 14. CONCLUSIONS • Delta (20-200) and theta (20-100) brainwaves are the ones that have greater amplitude (microvolts) in both groups. Results are clearly shown in graphs A1.5 and A1.10.    Graph A1.5 Theta   Graph A1.10  Delta  •  Higher  frequency EEG  waves such  as  beta waves  have less amplitude. This happens because they are not synchronized and have more phase differences in both groups. •  An increased  alpha  parameter  is higher  in  the experimental group, which indicates that they achieved conscious relaxation. In  contrast,  the control  group  showed higher  delta waves  and presented  signs of  deep sleep  during  the  experiment.  Control group also possibly reached REM (Rapid Eye Movement) sleep halfway  throughout  the stimulus  due theta  waves  presence in the EEG. • Beta waves are higher in the control group from s = 507 to s = 624 because of unexpected sounds in the stimulus (traffic noise appeared in the original recording). • Both stimuli induced relaxation, but it is important to point out that a  person  can relax  without falling  asleep.  In this  way the binaural stimulus worked better. • It  is  likely that  the control  group  fell  asleep  with  the  nature sounds stimuli because lack of stimulation.  •  Contrary  to  what  we  expected,  theta  binaural  waves  didn’t induced  FFR in  experimental  group,  although  they  helped  to achieve conscious relaxation. •  Delta  waves  were  higher  in  the  experimental  group  during post-experiment  measurements.  This  suggests  that  relaxation states were maintained with the absence of stimulus. • Presence of Alpha waves was reduced during deep sleep. This evidence is supported by the control group’s Delta values. •  In  the  absence  of  stimuli,  Delta wave  values of  the  control group  decreased,  which means  that  relaxation  effects did  not prevail. • The effectiveness of an  anxiolytic  may  be  measured  through the  relaxation  degree  during  stimulus  and  whether  its  effect endured or not.  • For  further evaluation  of coherence [17] between  brainwaves in  both  hemispheres  and  the  ERP,  the  use  of  a  10-20  EEG system is recommended.  • Post-experimental STAI  “State” tests results are lower in the experimental group. This means that Theta binaural waves were a better anxiolytic than  the stimuli (nature sounds) used in  the control group. REFERENCES [1]  Huang,  T.,  &  Charyton,  C.  (2008).  A  Comprehensive Review  of  The  Psychological  Effects  of  Brainwave Entrainment.  Alternative Therapies in Health and Medicine, 14(5). [2]  Berger  H.  (1929)  Über  Das  Elektrenkephalogramm  Des Menschen. Arch Psychiatrie Nervenkrankheiten. [3] Chatrian GE, Petersen MC, Lazarte JA. (1960) Responses to clicks  from  the  human  brain:  some  depth  electrographic observations. Electroenceph. Clin. Neurophysiol.. [4] Ulam, Frederick A. (1991) An Investigation of the effects of binaural  beat  frequencies  on  human  brain  waves.  California School Of Professional Psychology. [5] Notimex. (2013, July 02). México, país con más estrés laboral. El Universal. Retrieved from:  http://www.eluniversal.com.mx/ciencia/2013/mexico-pais-mas-estres-laboral-78744.html [6]  American  Psychological  Association  (n.d.).  Stress:  The different kinds of stress. Retrieved from:  http://www.apa.org/helpcenter/stress-kinds.aspx [7]  R.  Padmanabhan,  A.  J.  Hildreth and D. Laws. (2005) A prospective,  randomised,  experimentalled  study  examining binaural  beat  audio  and  pre-operative  anxiety  in  patients undergoing  general  anaesthesia  for  day  case  surgery. Anaesthesia. 60, 769-773. [8]  Loy,  Gareth. (2006)  Musimathics.  London,  England:  MIT Press.  [9] Atwater, F. Holmes. (2009) Frequency Following Response Study. The Monroe Institute.  [10]  Ferraro,  Fernando M.,  Acuña, Marcelo.  (n.d.) Formación Reticular y Fibras de  Asociación  del  Experimental  Encefálico. Departamento de anatomia facultad de medicina, UBA.  [11]Le Scouarnec, R. P., Poirier, R. M. Owens, J. E., Gauthier, J.,  Taylor,  A. G.  and Foresman,  P. A.  (2001) Use of  Binaural beat  tapes  for  treatment  on  anxiety:  a  pilot  study  of  tape preference and outcomes. Alternative Therapies in Health and Medicine. [12] Díaz, M. A., & Comeche, M. I. (2004). Beneficios de la relajación. Retrived from:  http://www.psicologiadelasalud.es/beneficios_de_la_relajacion.html [13]  Gómez  García,  J.  (2003).  Efectos  de  la  música  trance percusiva  y  la  música  trance  electrónica  en  el  EEG.  Tesis Licenciatura.  Psicología.  Departamento  de Psicología,  Escuela de  Ciencias  Sociales,  Universidad de las Américas Puebla. Retrieved from:  

Basically, one frequency of sound plays through one speaker/headphone and a different sound frequency plays in the other speaker/headphone. With these two different frequencies playing in each ear separately, but at the same time, your brain automatically tries to make up the difference in this frequency range and therefore is gently brought into a new, desired brainwave state as described above. An example of this effect would be a 100Hz frequency playing in your left ear and a 105Hz frequency playing in your right ear. Your brain, over several minutes, distinguishes the slight difference in frequencies and automatically adjusts its brainwave state to match this difference – being 5Hz in this example and therefore putting your brainwave into a Theta state. Pretty cool huh?!


An invigorating, brain-sharpening session, this audio starts at 14Hz, a beta feel-good frequency and SR harmonic. It then steps up in six-minute harmonic increments, gradually up to gamma 39Hz, leaving you feeling mentally stimulated and full of energy. A binaural beat track supports the main frequencies for those wearing headphones. Uplifting background music with embedded amplitude modulation provides a further layer of entrainment. Excellent for use as a morning alarm clock, ahead of a big night out, or to inspire those tired trips to the gym.
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