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. Author manuscript; available in PMC: 2013 Mar 15.
Published in final edited form as: J Neurosci Methods. 2011 Dec 9;204(2):276–287. doi: 10.1016/j.jneumeth.2011.12.001

Figure 1.

Figure 1

Diagram illustrating the process by which non-invasively obtained data were acquired using pulse Doppler radar and video, automatically scored and compared to visually scored records of wakefulness and sleep based on EEG and EMG.