Dear NEST Users, I would like to "record" or read calcium concentration of the neurons (let's say aeif_cond_exp). For now Ca variable is 0 before and after I simulate, however the neuron spikes.
Is there any neuron model that supports this, or do I need to edit the nestml of the desired model to achieve this. If so, a sample code snippet would be helpful.
Dear Maryada,
Thanks for writing in. Which neuron model are you using? From a simple test scrip with the "iaf_psc_exp" model, I am getting a nonzero calcium concentration:
*import* *nest* n = nest.Create("iaf_psc_exp") nest.Simulate(100) n.get("Ca")
Yields 0.014928834091366892. The "beta_Ca" parameter can be used to tweak the increment upon each postsynaptic spike, and "tau_Ca" is the decay constant.
I am of course happy to work with you to set up a custom NESTML model if you need additional or different features to keep track of calcium concentration.
With kind regards, Charl
On Thu, Feb 16, 2023, at 20:21, Maryada Maryada wrote:
Dear NEST Users, I would like to "record" or read calcium concentration of the neurons (let's say aeif_cond_exp). For now Ca variable is 0 before and after I simulate, however the neuron spikes.
Is there any neuron model that supports this, or do I need to edit the nestml of the desired model to achieve this. If so, a sample code snippet would be helpful. -- Thanks and Regards
*Maryada*
NEST Users mailing list -- users@nest-simulator.org To unsubscribe send an email to users-leave@nest-simulator.org
Hi Charl,
Thanks for your reply, that was a mistake on my part..
What I would like to achieve is to access Ca value at neuron as well as synapse level. I tried to look for such example in NESTML but I couldn't find it.
So briefly: 1. How to access superclass variable in neuron NESTML. 2. How to access neuron variables in synapse NESTML file.
On Fri, Feb 17, 2023, 16:53 Charl Linssen nest-users@turingbirds.com wrote:
Dear Maryada,
Thanks for writing in. Which neuron model are you using? From a simple test scrip with the "iaf_psc_exp" model, I am getting a nonzero calcium concentration:
*import* *nest* n = nest.Create("iaf_psc_exp") nest.Simulate(100) n.get("Ca")
Yields 0.014928834091366892. The "beta_Ca" parameter can be used to tweak the increment upon each postsynaptic spike, and "tau_Ca" is the decay constant.
I am of course happy to work with you to set up a custom NESTML model if you need additional or different features to keep track of calcium concentration.
With kind regards, Charl
On Thu, Feb 16, 2023, at 20:21, Maryada Maryada wrote:
Dear NEST Users, I would like to "record" or read calcium concentration of the neurons (let's say aeif_cond_exp). For now Ca variable is 0 before and after I simulate, however the neuron spikes.
Is there any neuron model that supports this, or do I need to edit the nestml of the desired model to achieve this. If so, a sample code snippet would be helpful. -- Thanks and Regards
*Maryada*
NEST Users mailing list -- users@nest-simulator.org To unsubscribe send an email to users-leave@nest-simulator.org
NEST Users mailing list -- users@nest-simulator.org To unsubscribe send an email to users-leave@nest-simulator.org
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Charl Linssen -
Maryada Maryada