shinbrot at nwu1.edu
Tue Mar 26 13:59:27 EST 1996
In article <4j94ma$vqg at netnews.upenn.edu>, nsimone at be.seas.upenn.edu
(Nicole L Simone) wrote:
> I need to devise a device to that will prevent a tired driver from
> getting into an accident. I was wondering if anyone in neurophysioology
> could explain to me the mechanics behind the eye and what happens when a
> person is drowsy. Does the movement of the eyelids change and can you
> detect this with EMG, ECG etc.
> Thanks in advance for your help!
> Nicki Simone
> nsimone at eniac.seas.upenn.edu
> University of Pennsylvania
> Bioengineering Major
> Associate Scientist at Wistar Institute
Well, there is hippus: the rhythmic oscillation of the pupil diameter.
This occurs when you gaze ahead and relax sufficiently, but as far as I
know it's not an indicator of sleep per se.
More information about the Neur-sci