Brunel Hakim 1999 (Interactive Parameters)
========================
This is an interactive version of the Brunel & Hakim (1999) model.
It allows users to change the external input mean (μ) and noise (σ) parameters directly in the browser, and re-run the simulation.
**Reference:**
“Fast Global Oscillations in Networks of Integrate-and-Fire Neurons with Low Firing Rates” Nicolas Brunel & Vincent Hakim Neural Computation 11, 1621-1671 (1999)
.. code-block:: python
// brunel_hakim1999_change_params.py
from brian2 import *
N = 5000
Vr = 10*mV
theta = 20*mV
tau = 20*ms
delta = 2*ms
taurefr = 2*ms
duration = .1*second
C = 1000
sparseness = float(C)/N
J = .1*mV
muext = 25*mV
sigmaext = 1*mV
eqs = """
dV/dt = (-V+muext + sigmaext * sqrt(tau) * xi)/tau : volt
"""
group = NeuronGroup(N, eqs, threshold='V>theta',
reset='V=Vr', refractory=taurefr, method='euler')
group.V = Vr
conn = Synapses(group, group, on_pre='V += -J', delay=delta)
conn.connect(p=sparseness)
M = SpikeMonitor(group)
LFP = PopulationRateMonitor(group)
run(duration, report='text', report_period=0.1*second)
.. code-block:: html
Brian simulation: Brunel & Hakim (1999)
Fast Global Oscillations in Networks of Integrate-and-Fire Neurons with Low Firing Rates