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// genesis
/* FILE INFORMATION
** Na and K channels
** Traub and Llinas, J Neurophysiol 42:2, 476-496, 1979
**
** Implemented in NEUROKIT format by Upinder S Bhalla - March 1991
** This file depends on functions and constants defined in defaults.g
*/
// CONSTANTS
// (I-current)
float ENa = 0.045
// sq m
float SOMA_A = 1e-9
/*********************************************************************
** Na Current
*********************************************************************/
function make_Na_hip_pyr_tl
if (({exists Na_hip_pyr_tl}))
return
end
// (I-current)
float ENa = 0.045
create tabchannel Na_hip_pyr_tl
setfield Na_hip_pyr_tl Ek {ENa} Gbar {1200.0*SOMA_A} Ik 0 Gk 0 \
Xpower 3 Ypower 1 Zpower 0
setup_tabchan Na_hip_pyr_tl X {4e5*(0.013 + {EREST_ACT})} -4.0e5 \
-1.0 {-0.013 - {EREST_ACT}} -0.005 \
{4.0e5*(-0.045 - {EREST_ACT})} 4.0e5 -1.0 \
{-0.045 - {EREST_ACT}} 0.005
setup_tabchan Na_hip_pyr_tl Y 280 0.0 0.0 \
{-0.0075 - {EREST_ACT}} 0.020 4e3 0.0 1.0 \
{-0.0375 - {EREST_ACT}} -0.020
end
/*********************************************************************
** K Current
*********************************************************************/
function make_K_hip_pyr_tl
if (({exists K_hip_pyr_tl}))
return
end
float EK = -0.08
create tabchannel K_hip_pyr_tl
setfield K_hip_pyr_tl Ek {EK} Gbar {1200.0*SOMA_A} Ik 0 Gk 0 \
Xpower 4 Ypower 0 Zpower 0
setup_tabchan K_hip_pyr_tl X {7e4*(-0.03 + {EREST_ACT})} -7e4 \
-1.0 {-0.03 + {EREST_ACT}} -0.006 100 0.0 0.0 \
{-0.005 - {EREST_ACT}} 0.08
end
/*********************************************************************
** Ca Current
*********************************************************************/
function make_Ca_hip_pyr_tl
if (({exists Ca_hip_pyr_tl}))
return
end
float ECa = 0.07
create tabchannel Ca_hip_pyr_tl
setfield Ca_hip_pyr_tl Ek {ECa} Gbar {1200.0*SOMA_A} Ik 0 Gk 0 \
Xpower 5 Ypower 1 Zpower 0
setup_tabchan Ca_hip_pyr_tl X {5e4*(0.035 + {EREST_ACT})} -5.0e4 \
-1.0 {-0.035 - {EREST_ACT}} -0.010 \
{1.0e4*(-0.015 - {EREST_ACT})} 1.0e4 -1.0 \
{-0.015 - {EREST_ACT}} 0.010
setup_tabchan Ca_hip_pyr_tl Y 14 0.0 0.0 {0.025 - {EREST_ACT}} \
0.020 200 0.0 1.0 {-0.045 - {EREST_ACT}} -0.010
end
/********************************************************************/
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