//genesis
/* FILE INFORMATION
** "Generic" excitatory (glutamate) and inhibitory (GABA) synaptically
** activated channels (based on mitsyn.g by Upi Bhalla)
**
** The channels have an alpha_function type conductance change for
** each synaptic event.
**
** Modified by D. Beeman for GENESIS 2.0 syntax and synchan object - 5/19/94
*/
// CONSTANTS
float EGlu = 0.0
float EGABA = -0.075
float SOMA_A = 1e-9
float GGlu = SOMA_A * 50
// Actual conductance set by channel field in .p file
float GGABA = SOMA_A * 50
// CONSTANTS for NMDA Channel
float CMg = 1.5 // [Mg] in mM
float eta = 0.33 // per mM
float gamma = 60 // per Volt
//===================================================================
// SYNAPTIC CHANNELS (Values guessed at)
//===================================================================
function make_Ex_ch19P23RSAMPAlongrange
// AMPA synapse for P23RS - I5LTS
if ({exists Ex_ch19P23RSAMPAlongrange})
return
end
create synchan Ex_ch19P23RSAMPAlongrange
setfield Ex_ch19P23RSAMPAlongrange \
Ek {EGlu} \
tau1 { 1.0e-3 } \ // sec
tau2 { 1.0e-3 } \ // sec
gmax {GGlu} // Siemens
end
function make_Ex_ch19P23RSNMDAlongrange
// NMDA synapse for P23RS - I5LTS
if ({exists Ex_ch19P23RSNMDAlongrange})
return
end
create synchan Ex_ch19P23RSNMDAlongrange
setfield Ex_ch19P23RSNMDAlongrange \
Ek {EGlu} \
tau1 { 100.0e-3 } \ // sec
tau2 { 0.67e-3 } \ // sec
gmax {GGlu} // Siemens
create Mg_block Ex_ch19P23RSNMDAlongrange/block
setfield Ex_ch19P23RSNMDAlongrange/block \
CMg {CMg} \
KMg_A {1.0/eta} \
KMg_B {1.0/gamma}
addmsg Ex_ch19P23RSNMDAlongrange Ex_ch19P23RSNMDA/block CHANNEL Gk Ek
addmsg Ex_ch19P23RSNMDAlongrange/block . CHANNEL Gk Ek
addmsg . Ex_ch19P23RSNMDAlongrange/block VOLTAGE Vm
// Even though we don't use the channel current, CHECK expects this message.
// addmsg . Ex_ch1NMDAlongrange VOLTAGE Vm
end
function make_Ex_ch19P5IBAMPAlongrange
// AMPA synapse for P5IB - I5LTS
if ({exists Ex_ch19P5IBAMPAlongrange})
return
end
create synchan Ex_ch19P5IBAMPAlongrange
setfield Ex_ch19P5IBAMPAlongrange \
Ek {EGlu} \
tau1 { 1.0e-3 } \ // sec
tau2 { 1.0e-3 } \ // sec
gmax {GGlu} // Siemens
end
function make_Ex_ch19P5IBNMDAlongrange
// NMDA synapse for P5IB - I5LTS
if ({exists Ex_ch19P5IBNMDAlongrange})
return
end
create synchan Ex_ch19P5IBNMDAlongrange
setfield Ex_ch19P5IBNMDAlongrange \
Ek {EGlu} \
tau1 { 100.0e-3 } \ // sec
tau2 { 0.67e-3 } \ // sec
gmax {GGlu} // Siemens
create Mg_block Ex_ch19P5IBNMDAlongrange/block
setfield Ex_ch19P5IBNMDAlongrange/block \
CMg {CMg} \
KMg_A {1.0/eta} \
KMg_B {1.0/gamma}
addmsg Ex_ch19P5IBNMDAlongrange Ex_ch19P5IBNMDA/block CHANNEL Gk Ek
addmsg Ex_ch19P5IBNMDAlongrange/block . CHANNEL Gk Ek
addmsg . Ex_ch19P5IBNMDAlongrange/block VOLTAGE Vm
// Even though we don't use the channel current, CHECK expects this message.
// addmsg . Ex_ch1NMDAlongrange VOLTAGE Vm
end
function make_Inh_ch19B5FSGABAalongrange
//GABA_A synape for B5FS - I5LTS
if ({exists Inh_ch19B5FSGABAalongrange})
return
end
create synchan Inh_ch19B5FSGABAalongrange
setfield Inh_ch19B5FSGABAalongrange \
Ek { EGABA } \
tau1 { 3.0e-3 } \ // sec
tau2 { 1.0e-12 } \ // sec
gmax {GGABA} // Siemens
end
function make_Ex_ch19P6RSAMPAlongrange
// AMPA synapse for P6RS - I5LTS
if ({exists Ex_ch19P6RSAMPAlongrange})
return
end
create synchan Ex_ch19P6RSAMPAlongrange
setfield Ex_ch19P6RSAMPAlongrange \
Ek {EGlu} \
tau1 { 1.0e-3 } \ // sec
tau2 { 1.0e-3 } \ // sec
gmax {GGlu} // Siemens
end
function make_Ex_ch19P6RSNMDAlongrange
// NMDA synapse for P6RS - I5LTS
if ({exists Ex_ch19P6RSNMDAlongrange})
return
end
create synchan Ex_ch19P6RSNMDAlongrange
setfield Ex_ch19P6RSNMDAlongrange \
Ek {EGlu} \
tau1 { 100.0e-3 } \ // sec
tau2 { 0.67e-3 } \ // sec
gmax {GGlu} // Siemens
create Mg_block Ex_ch19P6RSNMDAlongrange/block
setfield Ex_ch19P6RSNMDAlongrange/block \
CMg {CMg} \
KMg_A {1.0/eta} \
KMg_B {1.0/gamma}
addmsg Ex_ch19P6RSNMDAlongrange Ex_ch19P6RSNMDA/block CHANNEL Gk Ek
addmsg Ex_ch19P6RSNMDAlongrange/block . CHANNEL Gk Ek
addmsg . Ex_ch19P6RSNMDAlongrange/block VOLTAGE Vm
// Even though we don't use the channel current, CHECK expects this message.
// addmsg . Ex_ch1NMDAlongrange VOLTAGE Vm
end
function make_Ex_ch19ST4RSAMPAlongrange
// AMPA synapse for ST4RS - I5LTS
if ({exists Ex_ch19ST4RSAMPAlongrange})
return
end
create synchan Ex_ch19ST4RSAMPAlongrange
setfield Ex_ch19ST4RSAMPAlongrange \
Ek {EGlu} \
tau1 { 0.8e-3 } \ // sec
tau2 { 0.8e-3 } \ // sec
gmax {GGlu} // Siemens
end
function make_Ex_ch19ST4RSNMDAlongrange
// NMDA synapse for ST4RS - I5LTS
if ({exists Ex_ch19ST4RSNMDAlongrange})
return
end
create synchan Ex_ch19ST4RSNMDAlongrange
setfield Ex_ch19ST4RSNMDAlongrange \
Ek {EGlu} \
tau1 { 100.0e-3 } \ // sec
tau2 { 0.67e-3 } \ // sec
gmax {GGlu} // Siemens
create Mg_block Ex_ch19ST4RSNMDAlongrange/block
setfield Ex_ch19ST4RSNMDAlongrange/block \
CMg {CMg} \
KMg_A {1.0/eta} \
KMg_B {1.0/gamma}
addmsg Ex_ch19ST4RSNMDAlongrange Ex_ch19ST4RSNMDA/block CHANNEL Gk Ek
addmsg Ex_ch19ST4RSNMDAlongrange/block . CHANNEL Gk Ek
addmsg . Ex_ch19ST4RSNMDAlongrange/block VOLTAGE Vm
// Even though we don't use the channel current, CHECK expects this message.
// addmsg . Ex_ch1NMDAlongrange VOLTAGE Vm
end
function make_Inh_ch19I23LTSGABAalongrange
//GABA_A synape for I23LTS - I5LTS
if ({exists Inh_ch19I23LTSGABAalongrange})
return
end
create synchan Inh_ch19I23LTSGABAalongrange
setfield Inh_ch19I23LTSGABAalongrange \
Ek { EGABA } \
tau1 { 20.0e-3 } \ // sec
tau2 { 1.0e-12 } \ // sec
gmax {GGABA} // Siemens
end
function make_Inh_ch19I5LTSGABAalongrange
//GABA_A synape for I5LTS - I5LTS
if ({exists Inh_ch19I5LTSGABAalongrange})
return
end
create synchan Inh_ch19I5LTSGABAalongrange
setfield Inh_ch19I5LTSGABAalongrange \
Ek { EGABA } \
tau1 { 20.0e-3 } \ // sec
tau2 { 1.0e-12 } \ // sec
gmax {GGABA} // Siemens
end
function make_Ex_ch19P23FRBAMPAlongrange
// AMPA synapse for P23FRB - I5LTS
if ({exists Ex_ch19P23FRBAMPAlongrange})
return
end
create synchan Ex_ch19P23FRBAMPAlongrange
setfield Ex_ch19P23FRBAMPAlongrange \
Ek {EGlu} \
tau1 { 1.0e-3 } \ // sec
tau2 { 1.0e-3 } \ // sec
gmax {GGlu} // Siemens
end
function make_Ex_ch19P23FRBNMDAlongrange
// NMDA synapse for P23FRB - I5LTS
if ({exists Ex_ch19P23FRBNMDAlongrange})
return
end
create synchan Ex_ch19P23FRBNMDAlongrange
setfield Ex_ch19P23FRBNMDAlongrange \
Ek {EGlu} \
tau1 { 100.0e-3 } \ // sec
tau2 { 0.67e-3 } \ // sec
gmax {GGlu} // Siemens
create Mg_block Ex_ch19P23FRBNMDAlongrange/block
setfield Ex_ch19P23FRBNMDAlongrange/block \
CMg {CMg} \
KMg_A {1.0/eta} \
KMg_B {1.0/gamma}
addmsg Ex_ch19P23FRBNMDAlongrange Ex_ch19P23FRBNMDA/block CHANNEL Gk Ek
addmsg Ex_ch19P23FRBNMDAlongrange/block . CHANNEL Gk Ek
addmsg . Ex_ch19P23FRBNMDAlongrange/block VOLTAGE Vm
// Even though we don't use the channel current, CHECK expects this message.
// addmsg . Ex_ch1NMDAlongrange VOLTAGE Vm
end
function make_Ex_ch19P5RSAMPAlongrange
// AMPA synapse for P5RS - I5LTS
if ({exists Ex_ch19P5RSAMPAlongrange})
return
end
create synchan Ex_ch19P5RSAMPAlongrange
setfield Ex_ch19P5RSAMPAlongrange \
Ek {EGlu} \
tau1 { 1.0e-3 } \ // sec
tau2 { 1.0e-3 } \ // sec
gmax {GGlu} // Siemens
end
function make_Ex_ch19P5RSNMDAlongrange
// NMDA synapse for P5RS - I5LTS
if ({exists Ex_ch19P5RSNMDAlongrange})
return
end
create synchan Ex_ch19P5RSNMDAlongrange
setfield Ex_ch19P5RSNMDAlongrange \
Ek {EGlu} \
tau1 { 100.0e-3 } \ // sec
tau2 { 0.67e-3 } \ // sec
gmax {GGlu} // Siemens
create Mg_block Ex_ch19P5RSNMDAlongrange/block
setfield Ex_ch19P5RSNMDAlongrange/block \
CMg {CMg} \
KMg_A {1.0/eta} \
KMg_B {1.0/gamma}
addmsg Ex_ch19P5RSNMDAlongrange Ex_ch19P5RSNMDA/block CHANNEL Gk Ek
addmsg Ex_ch19P5RSNMDAlongrange/block . CHANNEL Gk Ek
addmsg . Ex_ch19P5RSNMDAlongrange/block VOLTAGE Vm
// Even though we don't use the channel current, CHECK expects this message.
// addmsg . Ex_ch1NMDAlongrange VOLTAGE Vm
end
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