HRV – HEART RATE VARIABILITY

HEART RATE VARIABILITY

Heart Rate Variability measured by NeuroField Neurotherapy equipment is a method of muscle testing the client’s heart. Using our HRV procedure, we first determine the natural variability of your heart beat and then, using stimulation technology, we pass subtle electro-magnetic frequencies in your body to determine the frequency your brain or body desires, based upon a yes response from your heart.

The analysis of heart rate variability (HRV), or heart rhythms, is a noninvasive means of measuring heart–brain and autonomic nervous system dynamics as influenced by one’s emotional state. Clinical research indicates HRV as a primary indicator of neurocardiac fitness and overall health. Abnormally low HRV is a predictor of premature mortality and is associated with a wide range of health problems, many of which can be stress-related. By influencing shifts in heart rhythms, one can positively lower stress levels, and thereby influence neural, hormonal and biochemical responses, yielding improvements in blood pressure, immune system function and so on. Effects may be both immediate and long-lasting.

DELTA (0Hz – 4Hz) is the slowest brainwave, oscillating between 0-4 times-per-second (0-4 Hz). Humans’ raw EEGs show most brainwaves at any given time (kind of like how unhomogenized milk contains skim milk, 2%, and whole milk), but delta is the dominant brainwave during deep sleep in healthy adults. It is high amplitude (meaning the wave forms are big, relatively speaking). Babies in utero and in early infancy (between 3 months to 1 year) spend a great deal of time in delta — it is thought to be responsible for neurogenesis (the genesis of neural connections). Delta has been linked to the production of human growth hormone and serotonin. From a psychological perspective, delta has been linked to the unconscious, as well as the Jungian notion of the collective unconscious (Wise, 1995).

THETA (5Hz – 8Hz) brainwaves run at 4-8 oscillations per second (4-8 Hz), and are the dominant brainwave in REM sleep, dreams, and hypnosis. This is the subconscious and the borderland to consciousness. Theta is a powerful state for learning in an uncritical fashion. Hypnotherapists will take clients to the cusp of theta and alpha (read: unconscious and conscious) because humans are highly suggestible in this space. Jung felt that dreams were signs referencing complex psychological, emotional, and transcendental realities. Dreams access the storehouse of memories in the limbic system (the amygdala and the hippocampus); our individual dreams are often of a collective reservoir, containing ancient and primitive themes and narratives common to the human experience. When we are in theta, our subconscious offers us images that are symbolic of those repressed or otherwise inaccessible memories and information.

Seeing small delta and theta waves in the waking, eyes open EEG is normal. However, excessive or large (high amplitude) delta and theta waves often signify neurological or developmental problems.Alpha will attenuate, or “block,” when we become mentally occupied. The brain will then begin to generate “beta” waves, ranging from 16-35 Hz.

ALPHA (9Hz – 12Hz) is an interesting brainwave — really, the king of brainwaves. Alpha is the most obvious brainwave to spot with the naked eye — it has high amplitude and is often rhythmic. It was the first discovered and classified by Berger, as well as the first brainwave used in experimental self-regulation (later called EEG Biofeedback) by University of Chicago professor Joe Kamiya in 1959. Alpha is the first conscious brainwave and the bridge that links the unconscious brainwaves of theta and delta to the active thinking brainwaves of beta and gamma. Alpha is 9-12 Hz, a relaxed and focused space, responsible for the state of flow, being in the zone, and creating. You are often in alpha when you are watching TV, driving your car, or doing any “mindless activity”. When we close our eyes, we signal to our body that we are in a position to relax and safely fall asleep. When we close our eyes, a normal response is an increase of 50% or more alpha in the back of the head.

The speed of your alpha brainwaves is your dominant or “peak” frequency. It is like the shutter speed of a camera. The faster your alpha peak frequency, the faster you are processing data and the more data you can, therefore, take in.

If Alpha brainwaves are high amplitude (big on they axis) the individual is often in a trace or an inattentive, daydreamy state. High amplitude alpha may mean that the individual uses a lot of THC, or may have attentional difficulties.

Alpha will attenuate, or “block,” when we become mentally occupied. The brain will then begin to generate “beta” waves, ranging from 16-35 Hz.

BETA (13Hz – 38Hz) brainwaves cover a large spectrum of 12-38 Hz, and are the brain state of our normal waking consciousness. Beta encompasses all forms of action, thinking, and problem solving —from the mundane (making grocery lists), to the complex (computating mathematical equations). Beta is broken down into three categories (I, II, and III). Beta I is 12-15Hz and the calmest of all beta brainwaves, often coupled with stillness, presence, and low muscle tone. Beta II is 15-23 Hz and is at work when we undertake tasks involving detail, processing, and meaning comprehension. Beta III is 23-38 Hz and shows during states of high focus and engagement. This state can also be indicative of anxiety and stress.

GAMMA (30+Hz) If Alpha is king, then Gamma is guru. Gamma brainwaves are 30+ Hz, and have been associated with states of inspiration, hyperalertness, perception, and even enlightenment. Recent studies involving practiced meditators have shown gamma synchrony as a common finding in levels of heightened meditation and awareness. Gamma has been classically difficult to capture since it’s very fast and low in amplitude. It can be easily confused with the muscle artifact from scalp tension in EEG and is, for that reason, currently a difficult brainwave to train via neurotherapy.

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