>>Anthonie Muller <awjm at holyrood.ed.ac.uk> wrote:
>>My explanation it that lack of oxygen causes a decrease of
>>ATP, which in
>>turn makes it impossible to keep up the nerve membrane
>>potential,
>>leading to an action potential which makes you feel the
>>local absence of
>>oxygen.
This seems unlikely to mee. The cell tries to keep up the
membrane potential as long as possible. So if the ATP
shortage is prominent enough to cause a drop of membrane
potential by about 30 mV other damages should have occured
before, and should be noticeable afterwards.
regards,
Sven
--
Sven E. Haul Heinrich-Heine-University
Institute of Neurophysiology Duesseldorf, Germany
http://www.uni-duesseldorf.de/WWW/MedFak/Neurophysiologie/haul.htm