File:Sleep EEG Stage 4.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:26, 9 December 2005		837 × 587 (236 KB)	S. Jähnichen	This is a screen shot of a patient during Slow Wave Sleep (stage 4). The high amplitude EEG is highlighted in red. This screen shot represents a 30 second epoch (30 seconds of data). Public domain from the English Wikipedia ([http://en.wikipedia.org/wiki

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