There is plenty of definitive clinical research on how sound and music can be used to activate the brain and memory and create more mental clarity. We know that high frequencies activate the mind. We also know that sounds and music that are changing all the time also activate the mind. Low frequencies calm the body, and repetitive sounds and music allow the left brain to go to sleep. The right brain then takes over and we are able to go into deeper or higher states of consciousness.
Understanding Brainwave Frequencies
Then there is the frequency of the brain. Different parts of the brain vibrate at different rates: delta, theta, alpha, beta, and gamma. There have been many clinical studies using EEG to measure these brainwave rates, so science is very definitive. Science has also proven that when you create a frequency or rhythm that falls within one of these brainwave states, your brain will entrain to that frequency within one minute.
Using low frequencies to entrain the brain can help with stress and pain reduction, ADD, ADHD, and is helpful for relaxation, meditation, sleep, learning, enhanced creativity and intuition, being more present, telepathy, and connecting to Source. When the frequencies are played on headphones, they also synchronize the left and right hemispheres of the brain.