//genesis

/* FILE INFORMATION
** A couple of synaptic channels for the mitral cell model
** Implemented by Upinder S. Bhalla.
**
** The channels have an alpha_function type conductance change for
** each synaptic event.
**
*/

// CONSTANTS
float EGlu = 0.045
float EGABA = -0.090
float SOMA_A = 1e-9
float GGlu = SOMA_A*50
float GGABA = SOMA_A*50

//===================================================================
//                     SYNAPTIC CHANNELS   (Values guessed at)
//===================================================================


function make_glu_mit_upi
	if (({exists glu_mit_upi}))
		return
	end

	create channelC2 glu_mit_upi
    	// sec
    	// sec
    	// Siemens
    	setfield glu_mit_upi Ek {EGlu} tau1 {2.0e-3} tau2 {2.0e-3}  \
    	    gmax {GGlu}
end

function make_GABA_mit_upi
	if (({exists GABA_mit_upi}))
		return
	end

	create synchan GABA_mit_upi
    	// sec
    	// sec
    	// Siemens
    	setfield GABA_mit_upi Ek {EGABA} tau1 {20.0e-3} tau2 {20.0e-3}  \
    	    gmax {GGABA}
end


function make_glu_gran_usb
	if (({exists glu_gran_usb}))
		return
	end

	create channelC2 glu_gran_usb
    	// sec
    	// sec
    	// Siemens
    	setfield glu_gran_usb Ek {EGlu} tau1 {2.0e-3} tau2 {2.0e-3}  \
    	    gmax {GGlu}
end

function make_GABA_gran_usb
	if (({exists GABA_gran_usb}))
		return
	end

	create channelC2 GABA_gran_usb
    	// sec
    	// sec
    	// Siemens
    	setfield GABA_gran_usb Ek {EGABA} tau1 {20.0e-3} tau2 {20.0e-3}  \
    	    gmax {GGABA}
end

