If you have a spiking input port in the NESTML model, you could add the spikes directly to the equation for the gating variable since the spikes at any timestep would be the sum of all the spikes occurring at that time.

You could also use convolution if you want a post-synaptic response, for example, with a delta kernel as you mentioned in your previous email.

equations:

gating_var' = …. + convolve(delta(t), spikes)

input:

spikes pA <- spike

Hope this helps!

Thanks,

Pooja

On 4. May 2023, at 20:45, gustavo.patow@udg.edu wrote:

Sorry to annoy you, but any hint on how to add to the synaptic gating variable the spikes as a simple count of the number of firing neurons? As I said above, what I need is to add sum(1 if neuron fired) to the gating var...
Thanks!
gus.-
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