In a trial which focused on reducing anxiety in patients who were going to be having surgery, binaural beats were found to reduce anxiety by 26.3%.īrainwaves are activated by certain frequencies of binaural beats which can help your body and mind to relax, and can help you to sleep more deeply as explained here. They’re also potentially useful in reducing anxiety around a specific situation. Some studies have found that binaural beats have increased a general sense of mental wellbeing and positivity, as well as reducing depression and general mood disturbances.īinaural beats are thought to be able to reduce anxiety in the longer term when used regularly. The results showed: “ a significant increase in the number of words recalled post-stimulation ” While more research is needed, some potentially promising outcomes were shown.Ī study conducted on recall of a list of words in participants who listen to various frequencies of binaural beats found that those who listened to beats with the 5 Hz range had positive outcomes. This in turn relieves stress and worry.īinaural beats have been tested to treat Attention Deficit Hyperactivity Disorder (ADHD), within which patients struggle to maintain focus on one task among other symptoms. Therefore they share many of the benefits of mindfulness including:Īs with meditation, binaural beats are thought to relax the body and mind. It’s thought that these beats induce the same sort of relaxation state as meditation, creating the same brainwaves as are experienced during a meditative state. Many conditions such as chronic pain and mental illness can be treated with binaural beats. However in the more recent years, their benefits on health have continued to be explored. He also found that men and women perceived the beats differently.īinaural beats have been used within music, and sometimes to tune instruments. He found through his trials that those who struggled to hear binaural beats may have an early predictor for Parkinson’s disease. He used binaural beats to assess hearing ability in patients. Oster started to explore the application of binaural beats in relation to health benefits. They first began with tuning forks, before these frequencies were able to be recorded accurately so that patient’s could play them back. Dove, and then later spoken about in more detail by Gerald Oster. It’s thought that listening to binaural beats strengthens specific brainwaves which contribute to relaxation along with emotional and cognitive processing.īinaural beats were first brought to light in 1839 by a man called H. Entrainment is how the beats we hear affect our brainwaves. It turns the beats we’re hearing into brainwaves and organizes them throughout our brain. This sounds complicated, but it basically means that the superior olivary complex is in charge, like the conductor of an orchestra. It’s the superior olivary complex which is ‘tricked’ by binaural beats and synchronizes the neural activity across the brain in response. The superior olivary complex is the area of your brain which first processes the sounds that we hear. The difference between the two tones needs to be fairly small, at less than 30 Hz. The two tones need to be at frequencies that are less than 1000 Hz. Basically, the brain is responding to two different frequencies at the same time, which is also called the Frequency Following Response. For example if you are listening to a frequency of 180 Hz in one ear and 200 Hz in the other ear, your brain will ‘hear’ the beat at 20 Hz (the difference between the two frequencies). Your brain ‘hears’ the beat which is the difference between the two frequencies. Binaural beats work by you listening to two different tones, at two different frequencies, one in each ear. This means brainwaves control our bodily processes.īinaural beats are in essence an auditory illusion. As this article explains, “Each type of wave reflects a different psychological, neurological and physiological state.” The type of frequency determines which neurons will jump into action and which chemicals will be sent into the bloodstream. There are different types of electrical brainwaves, at different frequencies. First of all it’s important to understand that the brain works with chemical and electrical signals.
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