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. 2009 Feb 1;32(2):139–149. doi: 10.1093/sleep/32.2.139

Figure 2.

Figure 2

Single case 2: 32-year-old woman (healthy subject) who shows an “increase in N3/SWS” in the sleep scoring parameters. For details see Fig. 1. Note that the amplitudes of the slow waves at central leads are sometimes just below 75 μV, while the amplitude criterion of 75 μV is reached at frontal leads.