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Delta wave - Definition and Overview |
| Related Words: Basin, Bill, Branch, Breakwater, Campo, Cape, Champaign, Chersonese, Crotch, Desert, Down, Downs, Fan, Fell, Flat, Flatland, Flats |
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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
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