: alphasynkin.mod
: Alpha Synapse implemented with Kinetic Scheme as per Chapter 10 NEURON book
NEURON {
POINT_PROCESS AlphaSynKin
RANGE tau, e, i
NONSPECIFIC_CURRENT i
}
UNITS {
(nA) = (nanoamp)
(mV) = (millivolt)
(uS) = (microsiemens)
}
PARAMETER {
tau = 0.1 (ms) <1e-9,1e9>
e = 0 (mV)
}
ASSIGNED {
v (mV)
i (nA)
}
STATE { a (microsiemens) g (uS) }
INITIAL {
g=0
}
BREAKPOINT {
SOLVE state METHOD sparse
i = g*(v - e)
}
KINETIC state {
~ a <-> g (1/tau, 0)
~ g -> (1/tau)
}
NET_RECEIVE(weight (uS)) {
a = a + weight*exp(1)
}