Stage two sleep involves a change in brain-wave patterns and increased resistance to arousal and accounts for 45-55 percent of total sleep time.
Brain-wave monitoring of REM sleep with an electroencephalograph (EEG) reveals a low-voltage, fast-frequency, non-alpha wave record.
With the use of new and sophisticated technology, brain wave toys are the future of gaming.
If you are ready for your brain waves to control the functioning of a game, then you are ready for brain wave toys.
Before you know it, brain wave toys will be available for the average consumer and chances are, your grade, middle, or high-schooler will be telling you all about them.