Directional connectivity in the EEG is able to discriminate wakefulness from NREM sleep.
Physiological measurement August 22, 2017 G Lioi, S L Bell, D C Smith et al.
A reliable measure of consciousness is of great interest for various clinical applications including sleep studies and the assessment of depth of anaesthesia. A number of measures of consciousness based on the EEG have been proposed in the literature and tested in studies of dreamless sleep, general anaesthesia and disorders of consciousness. However, reliability has remained a persistent...