The entrainment of brainwaves
We are acquainted with the Mozart effect, the Tomatis effect and the results of music therapy, biofeedback (e.g. heart rate variability, skin resistance, breathing, etc.) and neuro-feedback (brainwaves). All these methods use sound to influence our consciousness and/or bodily signals that all have the shape of waves.
An important aspect are the brainwaves. These are originally divided into several categories:
1. Beta waves (13 to 39 Hz): our attention is directed towards the outside world
2. Alpha waves (8 to 12 Hz): a combination of inner (imagination) and outer stimuli
3. Theta waves (4 to 7 Hz): eyes closed, inner focus
4. Delta waves (0.5 to 4 Hz): asleep, unaware of the physical world
Modern research lead to the discovery of additional types of brain waves.
5. Gamma waves (>40 Hz): harmonizing, synthesizing frequency
The Center for Neuro-acoustic Research
The musician and neuro-acoustic researcher Jeffrey Thompson of the Center for Neuro-acoustic Research in California also adds:
6. Epsilon waves (<0,5 Hz): very deep meditation, for example yogis
7. Hyper Gamma waves (>100 Hz) and
8. Lambda waves (>200 Hz): extra-ordinary states of consciousness, as we find in deep meditation, deep insight, original creative solutions and inspiration.
It is the first time that brainwaves are described as a musical spectrum with different octaves. The Krystal tuning is based on these principles. The musical frequencies are aligned with the brainwave spectrum. Natural entrainment and tuning of brainwaves with 'Krystal sounds' is another approach to ease the brain from external dissonant incentives.