When we quietly focus on an activity, and no longer are distracted by outside stimulation or internal thoughts (such as daydreaming), the brain produces alpha waves which aid in concentration. The alpha waves demand the brain to stay focused and productive. At very low levels, it's more relaxed than being awake since you can still be conscious during these moments but not engaged in active thought processes like problem-solving or memorization. This state brings in mental inefficiency because it represents the slowest type of brain wave.
Theta brainwaves which creates a drowsy state of mind are the theta brain waves. It aids with healing and pain relief, meditation, anti-aging: cortisol reduction/DHEA increase, and access to the unconscious mind. During deep sleep, our bodies release Delta brainwaves. Delta waves: 1-4 Hz.ĭelta waves are the highest amplitude brain waves. When these brainwaves cross a certain frequency, they create binaural beats which affect the mind in different ways depending on their amplitude level. Types of Brain Waves and Their Effectsīrain waves have various frequencies and amplitudes. Some studies have even claimed that these beats could help treat psychiatric disorders such as anxiety and depression. This practice can have a positive impact on sleep patterns, focus, and concentration, as well as mental ability. Binaural sound thus helps in relaxation techniques, meditation, as well as for stress reduction or management. It has been studied extensively for its effects on brain waves such as alpha activity which can bring feelings of relaxation or meditation with lower overall frequency. For a binaural beat to work, the two tones have to have frequencies less than 1000 Hz. Binaural beats are the auditory illusions. Thus we experience a frequency of the beat which is in proportion to the difference of two frequencies of each tone. This phenomenon is as binaural beats.įor instance, if we hear a sound having a frequency of 256 Hz in one ear and a sound at 295 Hz into another ear simultaneously, then the brain processes a binaural beat with a frequency of 15 Hz. Two tones having slightly different frequencies produce a beat that is the difference of their frequencies.
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