iaf_cond_exp_sfa_rr

Command: iaf_cond_exp_sfa_rr


References


Meffin H. Burkitt A. N. & Grayden D. B. (2004). An analytical
model for the large fluctuating synaptic conductance state typical of
neocortical neurons in vivo. J. Comput. Neurosci. 16 159-175.

Dayan P. and Abbott L. F. (2001). Theoretical Neuroscience MIT
Press (p166)

Description

iaf_cond_exp_sfa_rr is an iaf_cond_exp_sfa_rr i.e. an implementation of a
spiking neuron using IAF dynamics with conductance-based synapses
with additional spike-frequency adaptation and relative refractory
mechanisms as described in Dayan+Abbott 2001 page 166.

As for the iaf_cond_exp_sfa_rr Incoming spike events induce a post-synaptic
change of conductance modelled by an exponential function. The
exponential function is normalised such that an event of weight 1.0
results in a peak current of 1 nS.

Outgoing spike events induce a change of the adaptation and relative
refractory conductances by q_sfa and q_rr respectively. Otherwise
these conductances decay exponentially with time constants tau_sfa
and tau_rr respectively.

Parameters

The following parameters can be set in the status dictionary.

V_m double - Membrane potential in mV
E_L double - Leak reversal potential in mV.
C_m double - Capacity of the membrane in pF
t_ref double - Duration of refractory period in ms.
V_th double - Spike threshold in mV.
V_reset double - Reset potential of the membrane in mV.
E_ex double - Excitatory reversal potential in mV.
E_in double - Inhibitory reversal potential in mV.
g_L double - Leak conductance in nS;
tau_syn_ex double - Time constant of the excitatory synaptic exponential function in ms.
tau_syn_in double - Time constant of the inhibitory synaptic exponential function in ms.
q_sfa double - Outgoing spike activated quantal spike-frequency adaptation conductance increase
in nS.
q_rr double - Outgoing spike activated quantal relative refractory conductance increase in nS.
tau_sfa double - Time constant of spike-frequency adaptation in ms.
tau_rr double - Time constant of the relative refractory mechanism in ms.
E_sfa double - spike-frequency adaptation conductance reversal potential in mV.
E_rr double - relative refractory mechanism conductance reversal potential in mV.
I_e double - an external stimulus current in pA.

Author
Sven Schrader Eilif Muller

Sends
SpikeEvent

File
models/iaf_cond_exp_sfa_rr.h