File:Sleep EEG Stage 4.jpg
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![File:Sleep EEG Stage 4.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/d/db/Sleep_EEG_Stage_4.jpg/800px-Sleep_EEG_Stage_4.jpg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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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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