20 lines
686 B
Matlab
20 lines
686 B
Matlab
function spikes = lifspikesoustim(trials, tmax, D, Iou, Dou, tauou )
|
|
% Generate spike times of a leaky integrate-and-fire neuron with frozen
|
|
% Ohrnstein-Uhlenbeck stimulus
|
|
% trials: the number of trials to be generated
|
|
% tmax: the duration of a trial
|
|
% D: the strength of additive white noise
|
|
% Iou: the mean input
|
|
% Dou: noise strength of the frozen OU noise
|
|
% tauou: time constant of the OU noise
|
|
|
|
dt = 1e-4;
|
|
input = zeros(round(tmax/dt), 1);
|
|
n = 0.0;
|
|
noise = sqrt(2.0*Dou)*randn(length(input), 1)/sqrt(dt);
|
|
for i=1:length(noise)
|
|
n = n + ( - n + noise(i))*dt/tauou;
|
|
input(i) = Iou + n;
|
|
end
|
|
spikes = lifspikes(trials, input, dt, D );
|
|
end |