How Sound Can Affect The Body

How sound can affect the body

Sound therapy uses low frequencies that fall in the alpha-theta-gamma-delta range, which corresponds to the brainwave frequencies that vibrate in the lower range

Sound Therapy has been used for treatment of chronic pain, anxiety, stress reduction, improved sleep quality, improved circulation and wound recovery and to reduce ‘brain fog’.

Sound is a series of frequency waves that travel through the air and are received by our ears. These waves hit the eardrum, causing it to vibrate and transmit the vibrations deeper into our ear through a fluid-filled tunnel that contains hair cells. These vibrations push and cause the fluid to move in waves, which in turn causes the hair cells to move. The movement of the hair cells is transmitted from the auditory nerve in the ear to the brain to be decoded.

The brain instructs the body through electrical frequency stimuli. Sound therapy uses low frequencies that fall in the alpha-theta-gamma-delta range, which corresponds to the brainwave frequencies that vibrate in the lower range.

Common Brainwave Frequency

Delta

Theta

Alpha

Gamma

General Characteristics

Sleep, Repair, Complex Problem Solving

Creativity, Insight, Depression, Anxiety, Distractibility

Alertness, Peacefulness, Deep Relaxation, Recalling, Optimized Cognitive Performance

Learning, Cognitive Processing, Problem Solving, Mental Sharpness, Brain Activity, Organization

Lower frequency brain waves can also stimulate the release of nitric oxide, which signals smooth muscles to relax, so our blood vessels dilate and increase blood flow. Release of nitric oxide positively affects pain transmission and control, which some scientists believe helps to modify our relationship to pain.

In a 2015 study of patients suffering with fibromyalgia, (conducted by the University of Toronto) low-frequency sound stimulation was delivered twice a week for five weeks. The medication dose was reduced in about 74% of patients and completely discontinued in 26%. A majority of these patients were able to significantly increase the amount of time they spent sitting and standing without pain.

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