Brain Waves - Their currently accepted definition 

Anthony DeLisio 

As holistic practitioners we are always looking for those moments that bring us closer to the sometimes hard to perceive wholeness of life. As science advances we find out more and more just how we actually function as human beings. Brainwaves are certainly one of the biggest discoveries yet. Through Audio/Visual conditioning it has been shown that both hemispheres of the brain will entrain and experience in unison. This is so much like what we all are working towards, a unity removed from the duality of our daily lives.

A good start to understanding this fascinating phenomena is to give you some basic formula for how it is currently being measured.
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ABOUT BRAINWAVES:

Our brain waves pulsate and oscillate at particular frequencies that can be measured, just like sound waves, in cycles per second. There are four basic delineations of different brain wave states, based upon the cycles per second of the brain. They are:

Beta waves-from 14 to 20 hz. They are found in our normal waking state of consciousness. Beta waves are present when our focus of attention is on activities of the external world.

Alpha waves-from 8 to 13 hz. They occur when we daydream and are often associated with a state of meditation. Alpha waves become stronger and more regular when our eyes are closed.

Theta waves-from 4 to 7 hz. They are found in states of high creativity and have been equated to states of consciousness found in much shamanic work. Theta waves also occur in state of deep meditation and sleep.

Delta waves-from .5 to 3 hz. They occur in states of deep sleep or unconsciousness. Some of the newer brain wave work indicates that a state of deep meditation produces Delta waves in conscious individuals.

Two other delineations of brain-wave activity have been noted by some researches:

High Beta-from 23 to 33 hz. They are associated with hyperactivity and some types of anxiety.

K Complex-over 33 hz. They usually occur in short bursts and are often associated with the "aha" moments, when there is a sudden integration of ideas or experiences.
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Posted By Involution Inc. Engineering a better tomarrow  on Dec 8th, 2005