.. currentmodule:: brian

.. _example-frompapers-computing with neural synchrony-duration selectivity_params:

Example: params (frompapers/computing with neural synchrony/duration selectivity)
=================================================================================

Brette R (2012). Computing with neural synchrony. PLoS Comp Biol. 8(6): e1002561. doi:10.1371/journal.pcbi.1002561
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Duration selectivity, parameters

::

    from brian import *
    
    # Simulation control
    Npulses=5000
    Ntest=20
    record_period=15*second
    rest_time=200*ms
    # Encoding neurons
    Vt=-55*mV
    Vr=-70*mV
    El=-35*mV
    EK=-90*mV
    Va=Vr
    ka=5*mV
    gmax2=2
    tauK2=300*ms
    N=100 # number of encoding neurons
    Nout=30 # number of decoding neurons
    ginh_max=5.
    tauK_spread=200*ms
    tau_spread=20*ms
    minx=1.7 # range of gmax for K+
    maxx=2.5
    # Coincidence detectors
    sigma=0.1 # noise s.d.
    tau_cd=5*ms
    tau_n=tau_cd # slow noise
    refractory=0*ms
    # Connections
    Nsynapses=5 # synapses per neuron
    w0=lambda i,j:rand()
    # STDP
    factor=0.05
    a_pre=.06*factor
    b_post=-1.*factor
    b_pre=0.1*factor
    tau_pre=tau_cd