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

Receives

SpikeEvent
CurrentEvent
DataLoggingRequest