Psychology Information

What are the 4 Brainwave Patterns and How Do They Effect Your Health


Every moment of your life your brain is active. It is pulsing with electrical impulses; you heard that right, electricity! The electricity or electrical current generated by the brain can be measured with an electroencephalogram (EEG), which measures the frequency of the electrical current. This frequency or speed of the brainwave is measured in Hertz(HZ).

Now here is the really cool part. These frequencies can be associated with your state of mind at any particular moment. This means that your state of mind, for example being relaxed, frightened, or sleepy...can be "seen" in your brainwave frequencies. The speed of the frequency allows us to categorize our brainwaves into four broad categories.


There are four common brainwave patterns that have been well researched and documented. They are:

BETA WAVES - 14Hz to 20Hz. Beta waves are associated with normal waking consciousness. They are present when you are focused on activities in the outside world.

ALPHA WAVES - 8Hz to 13Hz. Alpha waves are likened to a light meditation. They are prevalent when you daydream. They will become stronger when your eyes are closed.

THETA WAVES - 4Hz to 7Hz. Theta waves occur during heightened states of creativity and are found with a deep meditative state.

DELTA WAVES - .5Hz to 3Hz. Delta waves are found in a deep sleep state or unconsciousness. Also, Delta waves are common in very deep meditation.


A predominance of Alpha waves in the brain is associated with accelerated learning, focus and enhanced creativity. When you are focus on something, there is a predominance of Alpha waves. No matter what your profession or hobby, these attributes will increase your productivity and enhance your experience.


A deep meditative state is true bliss. Increase your Theta waves and you are on your way to this state. In the Theta state you can lose your attachment to the physical body. You will feel a deep sense of physical relaxation. This disconnect of mind and body allows you to focus on the inner you, the higher self. This is the ideal state to begin your journey into meditation.


A Delta state has long been associated with sleep. If you have trouble sleeping, the CDs targeting this range will help immensely. Having a CD that targets the Delta brainwaves will allow you to enter a deep sleep state easily. It will be time to say goodbye to insomnia!

Recently there has also been some research that suggests that an even deeper meditative state can occur during predominate Delta wave activity. As you gain experience and comfort with meditation, you may want to try reaching a Delta state during meditation.

The information contained in this article is for educational purposes only and is not intended to medically diagnose, treat or cure any disease. Consult a health care practitioner before beginning any health care program.

Emily Clark is editor at Lifestyle Health News and Medical Health News where you can find the most up-to-date advice and information on many medical, health and lifestyle topics.

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