Using  flashing lights and pulsing tones,  we can gently and safely  guide the brain into various brainwave states.  This is commonly known as audio-visual entrainment or brainwave entrainment. These brainwave patterns are typically grouped into four different categories: Beta, Alpha, Theta and Delta. Each of these brainwave patterns is associated with various states of mind.

Beta Waves are quick, low amplitude waves of 14 to 40 times per second (Hz). Beta brainwave patterns are generated naturally when in an awake, focused and alert state of consciousness. Alpha Waves are between 8 and 13 Hz and occur during sensorial rest (eg. when the eyes are closed), intellectual relaxation, deep relaxation or meditation.  Alpha brainwave rhythms produce: peaceful feelings, warm hands and feet, a sense of well-being, improved sleep, improved academic performance, increased productivity in the workplace, reduced anxiety and improved immune functioning. It is believed that many creative geniuses, such as Einstein, were in a semi-permanent Alpha state. Alpha/Theta Border are the Schumann Resonance and the State Five Meditation sessions. At the Alpha/Theta border (7 to 8 Hz), exceptional insights and personal transforming experiences can occur.

Theta Waves are between 4 and 8 Hz and are commonly referred to as the dream or “twilight” state. Theta is associated with hypnogogic states, REM and dreaming. Memory development is enhanced in this state. In the Theta brainwave state, memory is improved (particularly long term memory), and access to unconscious material, reveries, free association, sudden insight and creative ideas is increased.

Delta Waves are observed when in a sleeping state. As we fall asleep the dominant natural brainwave becomes Delta. Delta waves are the slowest of brainwaves spanning from 1 to 4 Hz in frequency. There is growing evidence that individuals may maintain a slightly conscious state while in Delta.

 

HEART RATE VARIABILITY (HRV):
For the first time ever, a system exists where meditative breathing may be paced along with an audio-visual entrainment (AVE) session. Long, graceful breathing cycles have been used as part of meditation. Scientifically, this technique has been analyzed and shown to settle down a stressed autonomic nervous system. Both sympathetic (flight-or-fight) activity and para-sympathetic (the brain’s efforts to compensate) activity settle down dramatically using HRV techniques.

The heart speeds up with every breath in and slows down with every breath out. This swing in heart rate is HRV. A typical heart beat swing is in the order of about 15 beats per minute (bpm). When people get stressed, the heart typically clamps to sometimes as low as five bpm HRV at times intermixed with sharp spikes in heart rate. This is all abnormal activity and is rough on the heart.

The HRV technique used clinically is based on a 10 second breathing cycle (six breaths/minute, by inhaling slowly for five seconds and exhaling slowly for five seconds in an easy, relaxed breath). When using HRV paced breathing, listen to the heartbeat generated by the DAVID Delight Pro through the headphones. Inhale for two heartbeats and exhale for two heartbeats (not your own heartbeats!). Most sessions begin at seven breathing cycles/minute (28 heartbeats/min) and slow to six breaths /minute (24 heartbeats/min). This allows the user to breathe a little faster at the onset of a session until he/she has had time to relax.

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