Thank you for writing in. Just to double-check, the compartmental ("cm_default")
model in NEST is intended for use in morphologically detailed models, containing dozens or
hundreds of compartments. If your model can be described by only a few compartments, it
could be easier to manually define these (define say a separate membrane potential and
dendritic potential and the coupling between them; see
for an example).
If you do indeed need the full morpological complexity in your simulations, then the
cm_default model is indeed the way to go. We are currently working on extending NESTML to
support defining the biophysics in NESTML (ion channels, membrane dynamics etc.) and then
combining this with a morphology in NEST. For a prototype of this functionality, please
see the branch in https://github.com/nest/nestml/pull/772
. The current effort there is
focused on adding the ability to specify different ion channels in a more flexible
If you could describe a little bit more about your use case and what exactly you are
trying to achieve, we could probably give you some more specific advice.
On Mon, Dec 5, 2022, at 05:54, 王梓瑞 wrote:
Dear nest community,
I wonder if any of you know how to customize Ion channels and receptor types of
"cm_default" neuron model through nestml.
I noticed some information on Extending NESTML- Running NESTML with custom templates, but
I still found myself confused due to my poor understanding.
Is there any way to acquire the .nestml file of the cm_default neuron model?
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