In article <27dep0$5c8 at scunix2.harvard.edu> mlevin at husc8.harvard.edu (Michael Levin) writes:
>> Is it possible, from electric potentials recorded from the
>surface of the skin, to determine whether the person being measured is
>drowsy/asleep? If so, does this have to be done from the scalp, or can
>it be done from the fingers of the hand (like in biofeedback)? If it