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The significance of the use of mind-machines easier to understand if you know the scientific classification of the States of human consciousness. This classification gives EEG – electroencephalography, which was developed by Austrian scientist Hans Berger in the 1930s, Now EEG is standard research method, it is used in many clinics. The essence of the method is that the electrodes measured the electrical activity of the brain. It is through our nervous system are constantly weak electrical impulses. And they change depending on what state we are in. The unit of frequency of passage of these pulses is "Hertz". Hertz is the unit of frequency of periodic processes, the number of "cycles per second" - how many El. pulses passes through the brain.
The science identifies 4 types of States of consciousness: beta (14-21 Hz), alpha (7-14 Hz), theta (4-7 Hz) and Delta (1-4 Hz ). Beta state – the usual state of consciousness of modern man during wakefulness. In this over-activated the left hemisphere of the brain (responsible for linear logic), the work of the right hemisphere (associated with imaginative thinking) is very limited, and mental abilities are used only by a few percent. Theta and Delta States are sleep, hypnosis and meditation. Most harmoniously our brain works in the alpha state – when the functions of the left and right hemispheres are balanced. This condition is usually for children, but is lost with age resulting in accumulation of mental overload. Anxiety, stress, fear and other negative feelings leave traces in the human psyche, preventing him from objectively perceive the world and act effectively in it.
Another important point is the functional symmetry of the body. The left hemisphere controls the right part of our body, the right – on the contrary. Accordingly, dominance of the right hand increases the work of the left hemisphere – this is one of the reasons why the beta state for most of the people are accustomed. As you learn to "loading", for example, the left hand as well as right, it is not easy (e.g., a person used to working the mouse with your right hand spends on the computer several hours a day) – there is a question about balancing mental load. And here can help the deep relaxation that gives a mind-machine.
So, the mind-machine is a special equipment to manage their condition to successfully and quickly relieve unnecessary stress. This is the tension that we don't notice it too familiar but which prevents us to fully govern themselves, to use their own potential. Incidentally, it is useful to know, which can lead to further enhancement of beta-status. What happens when the power of emotions, strong stresses will be included in the state 30 or more Hz? According to EEG, 30 Hz (the"viperbite") corresponds to strong excitement, 40 Hz to a state of hysteria. And the jump in mental stress of about 60 Hz leads to a stroke. That is, the nervous system is destroyed, not withstanding overvoltage...
However, such poor options – not mandatory. Maintaining a healthy lifestyle, a comprehensive work on oneself ensures harmonious development and high working efficiency. And mind-machine may be one of the important components of self-development.
Spending 15-30 minutes a boost energy, vitality, easily gets rid of headaches and ailments, increases the ability to control his mood. And therefore your life.<

It is also interesting to note that the state of consciousness (or rather, excessive mental activity, stress) associated with craving for alcohol. Alcohol artificially induces a state of relaxation, so drink often after all the hard work and stress. Then there is a dependence, and natural ways of relaxing seem to be less affordable. Experiencing anxiety, strong negative emotions, people more or less consciously seeks to remove the oppression – and reaches for the glasses, bottles, banks. After all, alcohol is fairly cheap and accessible means. However, in many (if not all cases) alcohol dependence can be easily removed – simply by understanding its cause and using more healthy methods of relieving unnecessary stress. To understand its need in the alpha state, and to learn to deal with Hyper-beta-level.
With the habit of Smoking, by the way, a similar situation. After all, the motivation of Smoking is associated with a desire to relax. When you puff the smoker takes a deep breath – slow and deep breathing helps to log in to the alpha state. That is the subconscious motive – mental relaxation. What's the difference? That "Smoking relaxes" you have to pay health and more natural ways are harmless. Of course, if people understand their relativity. Because the mind-machine is not a panacea, it is one of the most convenient means of improving health. But as a man to dispose of the resulting effect – ultimately depends on him.

Money is no good and not evil. It's all in the attitude.

Another example of how the condition of human consciousness influences his motivation – overeating. For many people the habit to eat more than than necessary with their body, based on the desire to relax, escape from stress, worries, fears, etc of a Man "seizes" her anxiety. The reason for this can be explained on the basis of the classification of EEG. Eating food, he strengthens the digestive system and the blood goes from upper body to lower. In the head of the energy circulating now less due to that there is some mental relaxation. In other words, one moves from a beta state to a more harmonious alpha.
But, just as with alcohol and Smoking, this way to reduce mental stress has its costs. What you might guess: obesity, diseases of the digestive system, contamination of the kidneys, liver, intestines... So, in particular, many methods of weight reduction prove ineffective. The original cause of the problem (the inability to relieve stress in a natural way) remains unaffected. Swallowing pills or making a liposuction, the person retains the roots of the problem. Conversely, relaxing without "help" of excess food, Smoking and alcohol, you can eliminate the primary cause.