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Encyclopedia > Delta waves

A delta wave is a large, slow brain wave associated with deep sleep.


Delta waves are present only in stage three & four sleep, and disappear as one enters REM sleep, where they are no longer detectable.


see Electroencephalography


  Results from FactBites:
 
Delta Drive (913 words)
Research has shown that although one brain wave state may predominate at any given time, depending on the activity level of the individual, the remaining three brain states are present in the mix of brain waves at all times.
Delta is the slowest of all four brain wave frequencies.
Delta is the brain wave signal of the subconscious, the seat from which higher consciousness arises.
Delta wave - Wikipedia, the free encyclopedia (127 words)
A delta wave is a large, slow (2 Hz or less) brain wave recorded with an EEG and is usually associated with deep sleep.
In the heart a delta wave in the ECG is seen in Wolff-Parkinson-White syndrome.
Delta waves are present only in stage three sleep, stage four sleep, cases of brain injury and coma.
  More results at FactBites »


 
 

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