Binaural sounds are sounds of different frequencies that are used to stimulate and synchronize brain waves. The cerebral hemispheres tend to synchronize with listening to binaural beats, and affecting attention, memory, stress, anxiety and emotional healing
Binaural sounds with a frequency difference of 1 to 4 Hz cause the appearance of DELTA waves that induce sleep as well as waking sleep phenomena (Davis, 1938).
Some studies even describe its use in surgery (anesthesia) and pain control. «Anesthesia» (Kliemptf and AL, 1999) and the effects of listening to binaural sounds that affect the state of anxiety caused by a pre-operative process of the patients (Padmanabhan, Hildreth & laws, 2005). In this study, the anxiety of the patients before the intervention was measured with the help of Spielberger's STAI scale; anxiety was significantly lower in patients who listened to binaural sounds than in those who listened to neutral sounds.
It was found (Cox, 1996), that listening to binaural sounds of alpha frequencies, reduced blood pressure and heart rate from 4 to 10%, decreased the sensation of pain by 50%, decreased the blood percentage of melatonin 6% while the percentages of beta endorphins in the blood increased by 14% on average.
Peniston and Kulkosky (1989) highlighted the physiological effects of slow alpha and theta brain wave training, particularly a blood increase in beta endorphins in alcoholic patients.
Peniston and Saxby (1995) confirmed the efficacy of slow wave brain training in alcoholic subjects with associated depressive symptoms, indicated on the Beck depression scale.
Binaural beats whose frequency difference is from 4 to 8 Hz induce THETA waves. Schacter (1977) drew up the list of the effects in a meta analysis, they are associated with states of deep relaxation, meditation and creativity (Hiew, 1995). Theta waves promote learning by improving concentration and focus (Pawelek, 1985).
Binaural sounds with a frequency difference of 8 to 13 Hz induce the production of ALPHA waves (Foster, 1990), by EEG recordings, eyes-open. Numerous investigations associate alpha waves to a state of distension, increased better results, improved mood and anxiety. These effects would be explained by the hemispheric synchronization induced by alpha waves (Hoovey, 1972).
Binaural sounds with a frequency difference of 16 to 24 Hz induce the production of BETA waves. Consequently, they tend to increase concentration and alertness (Monroe, 1985). Memory outcomes also improve (Kennerly, 1994). Increased production of beta waves has been used for years in the treatment of attention deficit disorder. These protocols were the subject of numerous publications
Sound healing can achieve these things through Brain Entrainment is when your internal brain waves sync up to an outside stimulus, usually through the means of binaural beats. Binaural beats are slow rhythmic beats which can actually influence brain waves. You have probably experienced this if you have ever meditated. Effective meditation is based on focusing on something for prolonged periods of time. The best way to accomplish this is to begin by focusing on your breath. Because your breath comes in a rhythm, this is the perfect way to induce entrainment with binaural beat meditation.
Sound healing uses tones and vibrations in addition to breathing exercises, your brain can tap into the benefits of binaural beats healing and other binaural beats benefits.
In addition to the improvements listed above, sound healing can also have a powerful impact on many ailments including:
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