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:  

“Stress” is a commonly used term, and it is often used with different meanings. The standard definition for stress that will be used in this article is the disruption of the body’s homeostasis or a state of disharmony in response to a real or perceived threat or challenge (8). The threatening or challenging situation is referred to as a “stressor.” When a person encounters a stressor, the body prepares to respond to the challenge or threat. The autonomic nervous and endocrine systems respond by producing the hormones epinephrine, norepinephrine, and cortisol. The result of this hormone production is a cascade of physiological reactions that make up the stress response. Epinephrine and norepinephrine are involved in the initial changes that take place to prepare the body to react and to prepare for a challenge. These responses include increases in heart and respiration rates, blood pressure, perspiration, and energy production (8). There also is a suppression of immune function, production of β-endorphin (the body’s natural pain killer), and increased acuity of the senses. These changes make up the fight-or-flight response, which prepares the body to cope with the stressor. If the stressor is perceived as negative or more as a threat than as a challenge, cortisol production is increased. Cortisol is involved in energy production but also suppresses immune function.
This is probably the most popular choice of frequency. The theta state is a state of tremendous stress relief. The benefits associated with theta level relaxation include improved concentration, reduced hyperactivity and improved memory. While in a state of theta relaxation, one’s blood pressure, breathing and heart rate all slow to a much more restful and healthy level that promotes natural healing. During theta relaxation one may also experience vivid flashes of mental imagery as the mind opens to memories or subconscious information that is not available to the conscious mind during the normal waking state. The theta state is a very deep state of relaxation that is excellent for deep hypnosis and mental programming.
Nothing is more stressful than being unprepared. Get organized so you're ready for the next day, taking a few minutes to make a to-do list and clean up before you leave. Knowing you've got everything covered means you'll be less likely to fret about work in the evenings. When you come in the next morning, you'll have the sense that you're in control of the situation and can handle it. This sets a positive tone for the day, which can help you get more accomplished. (You can even turn your nightly beauty routine into a stress-relieving practice.)
I have purchased several brain entrainment CDs, all of which have cost far more than the one I am using from the EOC Institute. Without a doubt, your CD outperforms the other ones hands down. It is nice to know that there are companies out there that truly put the customer first instead of the “ALMIGHTY DOLLAR” Thank you so much for your excellent product. It is a big help.
Memory: There is not sufficient evidence to suggest that brainwave entrainment improves memory. However since cognitive function improves as a result of entrainment, short and/or long term memory may be improved by stimulation with certain frequencies. While lower frequencies may be beneficial for recalling certain memories, conscious processing of the memories generally requires sufficient beta.

Fortified milk is an excellent source of vitamin D, a nutrient that might boost happiness. A 50-year-long study by London's UCL Institute of Child Health found an association between reduced levels of vitamin D and an increased risk of panic and depression among 5,966 men and women. People who had sufficient vitamin D levels had a reduced risk of panic disorders compared to subjects with the lowest levels of vitamin D. Other foods high in vitamin D include salmon, egg yolks, and fortified cereal.


Everyone experiences stress, and not all stress is bad. However, individuals who experience acute episodic and chronic stress are at increased risk for developing stress-related health problems. This article outlines the relationship between stress and health and discusses the role of exercise in managing stress. Exercise recommendations and stress management tips are provided.


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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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