How Devices Measure Consciousness

Question 1

How does an EEG measure consciousness ( with reference to alpha and beta )

Answer 1

Brainwaves can indicate an altered state of consciousness with alpha waves indicated meditative or deeply relaxed with beta indicating high level of awareness

Question 2

How does an EOG measure consciousness ( reference to R.E.M. and NREM )

Answer 2

EOG gives an indication of what stage of sleep someone is in. In R.E.M. EOG will detect high activity as eyes are moving rapidly whereas in NREM the EOG will detect little activity as the eyes move very little

Question 3

How does an EMG measure consciousness ( with reference to R.E.M. and NREM )

Answer 3

EMG gives an indication of what stage of sleep someone is in. R.E.M. sleep muscles are not moving at all but in NREM muscles may twitch