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Re: see in jordan futures for sale a little

You [b][url=]jordan futures for sale[/url][/b] must have heard of binaural beat frequencies. Neurophysiologists have used this for cognitive and neurological research. Ordinary people can also benefit from this discovery by Heinrich Wilhelm Dove way back 1839 as you see in a little while.

A sound wave is produced when an object moves back and forth for more than 20 times per second (the lower [b][url=]Air Jordan Shoes For Sale[/url][/b] threshold of human hearing). Imagine when you fan yourself in a hot summer day, the number of times the fan completes a cycle from the starting point all the way in one direction then going back in the reverse direction and back to the starting point in one second is called the frequency or cycles per second. We cannot hear sound waves from the fan because we cannot attain the lowest frequency that our ears can hear.

The upper threshold in which our ears can hear is 20,000 cycles per second. We may not be able to hear that frequency because as the frequency nears the [b][url=]cheap air jordan 4 shoes[/url][/b] extremes, our sensitivity for those frequencies also diminishes.

Different brain activities produce different brain waves. Depending on our activity; walking, reading, [b][url=]Air Jordan[/url][/b] having a conversation, dreaming, etc., our brains produces different brain waves in the range between less than one cycle per second up to 40 cycles per second.

When you are in deep sleep or delta sleep, your brain waves produces .5 cycles per second up [b][url=]air jordan xx9 for sale[/url][/b] to 4 cycles per second. This is the stage where most body repair or healing takes place.

The theta state, 4 [b][url=]air jordan 11 legend blue[/url][/b] cycles per second to 8 cycles per second occurs just before we go to deep sleep. This is the state where most meditation practitioners try to lengthen because of the many benefits that this state can bring to our learning abilities, cognitive abilities and so on.

The state before theta is alpha where you are in a relaxed and a little alert state. Our [b][url=]Bulls Over Broadway 10s For Sale[/url][/b] brain produces 8 to 14 cycles per second of brain waves.

The alert state or fully awake state is the beta. 14 to 30 cycles per second are produced by the brain [b][url=]Air Jordans For Sale[/url][/b] waves in this state.
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