This is the binaural frequency (see figure below). The brain then ‘calculates’ the mathematical difference and ‘perceives’ a third tone. With binaural audio two different frequency sounds or beats are sent to the left and right ears simultaneously. He has published numerous books and scientific papers on this topic (read 'The Neuroscientific Study of Spiritual Practices here.īinaural translates to meaning two ears (like binocular for two eyes). Professor Newberg is unique in that he has dual specialization in neuroscience and neuroimaging as well as a passion for the study of spiritual practice which earned him a unique title of neurotheologist. He found that in deep meditation (or prayer) the brainwave activity in the parietal lobe fell to well below baseline levels. More recently the acclaimed neuroscientist Professor Andrew Newberg studied the effects of prayer and meditation on brain activity. The Yogis in particular have been able to harness specific brainwave states for transcending normal states of consciousness as well as for concentration and focus as well as healing.
Maxfield studied Tibetan monks, Native American shamans, Hindu yogi’s as well as other groups and found the use of either repetitive drumming or chanting. 4.5 Hz corresponds to a Theta brainwave at the low end of the brainwave spectrum. She found a consistency in the frequency of the beats used, typically beating at around 4.5 beats per second (beats per second will be referred to as Hertz or Hz later in this article). In 1990, the scientist Melinda Maxfield published research on the drumbeats used during the rituals of ancient cultures. Oster suggested that beat frequencies could bring about hormone-induced physiological changes.
Gerald Oster published a paper called ‘Auditory Beats in the Brain’ in Scientific American and the public and commercial interest in this technology was ignited. The modes of action of binaural beats were first described by the Prussian physicist and meteorologist, Heinrich Wilhelm Dove in 1839 but it wouldn’t be until over a hundred years later that this sound technology would reach mainstream attention.
Were these ancient cultures aware of these effects on consciousness or other healing or spiritual benefit? Indeed, in almost every ancient culture that has been studied, repetitive beats have played an important role in perceived wellbeing and prosperity. The consistent beat inducing trance like states that have been scientifically observed and verified. Ancient cultures have long used beats, especially drumbeats in their traditions and rituals for thousands of years.
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