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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: IEEE Trans Biomed Eng. 2014 Jun;61(6):1660–1667. doi: 10.1109/TBME.2013.2297332

Fig. 1.

Fig. 1

Illustration diagram and study design of imaging high frequency (HF) activity. A: Experimental recording including non-REM sleep scalp EEG recording, pre-operative and post-operative MRI scans. B: Concatenated high frequency activity. C: Independent component according to the HF activity. D: Patient-specific boundary element head model. E: Source imaging of the HF activity. F: Surgical resection and intracranial recording of the patient.