A. AR'- ; AND -■ 



'1 ill" ■ .* utvQrri n^'cssi 



I hi.^ fact was U" 



(Ai 



I, 



app 



cart 



It 



inhi 

 Unl 

 hibj. 



l( C'V-Cui I 



lenoWTTVcu^ules. / 



ten^ ^_ 



i^alsct^to be nofbl'that tlVj^£iP^<*''X i''i)pfe<^iale 



d-,in theNA cell is 



O- .. .\... -. 





the 1, the square pulse technique, it has been es 



moreover, that an increase in the membrane conductance is concomitant wi- 



•'- - ~ -' — ^ ""ilarization. 



f the generator depolarization reaches a threshold 

 The reciprocal c f the spi' 



"'''the spikes in n^. ^ ,. ...5>:, are lin; 

 intensity. Hence, 'hey vary directl. 

 :: o( the generator dc 

 i ^ , fv Pi.iMuium frequency of the .-.{^1 IV ..,..., 



