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NEWSCIENCENEWSCIENCENEWSCIENCE sleep. In theta, we are in a waking dream; vivid imagery flashes before the mind's eye and we are receptive to information beyond our normal conscious awareness. Theta meditation increases creativity, enhances learning, reduces stress and awakens intuition and other extrasensory perception skills. * Delta waves (0-4 Hz) are the slowest but highest in amplitude. They are generated in deepest meditation and dreamless sleep. Delta waves confer a suspension of external existence and provide the most profound feelings of peace. In addition, certain frequencies within the delta range trigger the release of a growth hormone which is bene- ficial for healing and regeneration. This is why sleep, deep restora- tive sleep, is so essential to the healing process. sleep. In theta, we are in a waking dream; vivid imagery flashes The bioelectrical domain is geared to thalamocortical generation of before the mind's eye and we are receptive to information beyond our rhythmic activity. In neurofeedback, what is being trained is the normal conscious awareness. Theta meditation increases creativity, degree of rhythmicity of the thalamocortical regulatory circuitry. enhances learning, reduces stress and awakens intuition and other Rhythmicity manages the entire range of activation and arousal in the extrasensory perception skills. bio-electrical domain. One role advocated for rhythmic activity is * Delta waves (0-4 Hz) are the slowest but highest in amplitude. that of time binding: the need for harnessing brain electrical activity, They are generated in deepest meditation and dreamless sleep. Delta which is spatially distributed, while maintaining it as a single entity. waves confer a suspension of external existence and provide the most Brain waves indicate the arousal dimension, and arousal mediates a profound feelings of peace. In addition, certain frequencies within number of conditions. Changes in sympathetic and parasympathetic the delta range trigger the release of a growth hormone which is bene- arousal "tune" the nervous system. Underarousal leads towards ficial for healing and regeneration. This is why sleep, deep restora- unipolar or reactive depression, attention deficit disorder, chronic tive sleep, is so essential to the healing process. pain and insomnia. Overarousal is linked with anxiety disorders, sleep onset problems, nightmares, hypervigilance, impulsive behav- Rhythm & Harmonic Resonance iour, anger/aggression, agitated depression, chronic nerve pain and There is a harmonic relationship between the Earth and our __ spasticity. A combination of underarousal and overarousal causes mind/body. Earth's low-frequency iso-electric field, the magnetic anxiety and depression as well as ADHD. field of the Earth and the electrostatic field which emerges from our Instabilities in certain rhythms can be correlated with tics, obses- body are closely interwoven. Our internal rhythms interact with — sive-compulsive disorder, aggressive behaviour, rage, bruxism, panic external rhythms, affecting our balance, REM patterns, health, and attacks, bipolar disorder, migraines, narcolepsy, epilepsy, sleep mental focus. SR waves probably help regulate our bodies’ internal apnoea, vertigo, tinnitus, norexia/bulimia, suicidal ideation and clocks, affecting sleep/dream patterns, arousal patterns and hormonal _ behaviour, PMS, multiple chemical sensitivities, diabetes, hypogly- secretion (such as melatonin). caemia and explosive behaviour. The rhythms and pulsations of the The brain responds to inputs at a cer- human brain mirror those of the reso- tain frequency or frequencies. The com- nant properties of the terrestrial cavity, Earth's low-frequency puter can create wave-form atterns or which functions as a waveguide. This . gs certain frequencies that compare with the natural frequency pulsation is not a iso-electric field, the mind's neural signals in terms of mind fixed number, but an average of global in fi atterns. If people can control their mind readings, much like the EEG gives an magnetic field of the Earth patterns, they can enter different states of average of brain-wave readings. SR and the electrostatic field eing (mental relaxation, study, etc.). actually fluctuates, like brain waves, A So what happens when the mind is due to geographical location, lightning, which emerges from our body entrained with a sound or vibration that solar flares, atmospheric ionisation and are closely interwoven. reflects the thought patterns? When the daily cycles. mind responds to certain frequencies and The most important slow rhythm is ehaves as a resonator, is there a har- the daily rhythm sensed directly as the monic frequency that the mind vibrates change in light. Rhythms connected with to or can attune to? What does the study the daily rhythm are called circadian (an example is pineal gland — of harmonic resonance, sound or vibration have to do with the brain's melatonin secretion). Some experiments in the absence of natural frequency waves? light have shown that the basic human "clock" is actually slightly Sound waves are examples of periodicity, of rhythm. Sound is longer than one day (24 hours), and closer to one lunar day (24 hours _ measured in cycles per second (hertz or Hz). Each cycle of a wave is, 50 minutes). in reality, a single pulse of sound. The average range of hearing for On a slower scale, a strong influence on the Earth is its geomagnet- _ the human ear is somewhere between 16 Hz and 20,000 Hz. We can- ic field, which is influenced by the following periods: the Moon's not hear extremely low frequencies, but we can perceive them as rotation (29.5 da the Earth's rotation (365.25 days); sunspot cycles rhythmic. (11 or 22 years); the nutation cycle (18.6 years); the rotation of the Entrainment is the process of synchronisation, where vibrations of planets (88 days to 247.7 years); and the galaxy's rotation cycle (250 one object will cause the vibrations of another object to oscillate at million years). Very important rhythms, like hormone secretion and the same rate. External rhythms can have a direct effect on the psy- dominant nostril exchange, are in the order of 1-2 hours. In the range _ chology and physiology of the listener. Slower tempos from 48 to 70 of human EEG, we have the Sun's electromagnetic oscillation of 10 | BPMs have been proven to decrease heart and respiratory rates, there- Hz, while the Earth/ionosphere system is resonant at frequencies in _ by altering the predominant brain-wave patterns. the theta, alpha, beta-1 (low or slow) and beta-2 (high or fast) bands. Binaural beats are continuous tones of subtly different frequencies, Different species often have internal generators of environmental delivered to each ear independently in stereo via headphones. If the rhythms, which can be extremely precise, up to 10“. The frequency left channel's pitch is 100 cycles per second and the right channel's of these oscillators is then phase-locked-loop (PLL) synchronised __ pitch is 108 cycles per second, the difference between the two equals with the natural rhythms. Environmental synchronisation sources are 8 cycles per second. When these sounds are combined, they produce often called zeitgebers. The mechanism of optical synchronisation _a pulsing tone that waxes and wanes in a "wah wah" rhythm. can be shown. The presented rhythms should inspire a better under- Binaural beats are not an external sound; rather, they are subsonic standing of the interaction of internal and external rhythms during __ frequencies heard within the brain itself. These frequencies are creat- specific states of consciousness. ed as both hemispheres work simultaneously to hear sounds that are Earth's low-frequency iso-electric field, the magnetic field of the Earth and the electrostatic field which emerges from our body are closely interwoven. APRIL — MAY 2003 NEXUS = 45 www.nexusmagazine.com