Figure 3.

An anterior-posterior slow spindle gradient was present, but attenuated in OSA patients, in comparison to non-OSA subjects. For Moderate OSA, slow spindle percentage was reduced in centro-parietal, but not in frontal regions as the night progressed. In contrast, non-OSA subjects showed reduced slow spindle percentages in frontal as well as centro-parietal regions across the night.

Schönwald et al. BMC Neuroscience 2012 13:89   doi:10.1186/1471-2202-13-89
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