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why does brain impact cause unconsciousness?

Brooke Paul bpaul at
Wed Sep 22 13:31:39 EST 1993


In article <CDoFp4.5rv at ucdavis.edu> ez001932 at othello.ucdavis.edu (John M. Price) writes:
>
>Perhaps you should look at the old literature covering spreading
>depression produced by the application of KCl to the exposed cortex.  This
>seems mimic the response well.  Essentially, due to the sudden change in
>membrane resting potential, K+ is supposed to be INSIDE the cell,
>the cells go dormant for a time, and this depression spreads as th bolus
>spreads through the cortex.
>
	Why does K+ cause this effect?  It should cause depolarization,
right?

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