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Dear Ted, I truly appreciate your timely help, I really learned a lot from your expertise reply. I've successfully built my model (one with axon implemented with hh mechanism, the other one with passive conduction). My next step is to First, construct a model with soma(hh), axon(pas). Next, apply a ...

Thank you for your reply! Sorry for my unclear statements and purposes. What I'm trying to do is first I need to construct a multi-compartment HH model and then use LFPsim to measure the extracellular potential along the axon. I want to see the extracellular potential generated by the transmembrane ...

I encountered this model which I thought I can use the mod file.:
https://senselab.med.yale.edu/ModelDB/S ... tml#tabs-2

I searched the ModelDB, but I didn't find suitable AP initialize mechanism(change ion concentration or voltage gradient at ion channel), maybe my searching was not enough. If anyone knows some examples that I can reference to, please tell me. Thanks in advance.

Hi, I find that the model 3808: https://senselab.med.yale.edu/ModelDB/ShowModel.cshtml?model=3808&file=/MyFirstNEURON/manual.htm#tabs-1 The Create Your Own\Single Cell function was not usable. Error messages were: oc>C:\nrn\bin\nrniv.exe: sAmpa :not right number of subscripts near line 1 {my_fir...

Good day, I'm implementing a simple unmyelinated axon, I want to use LFPsim method to measure the voltage potential at some different compartments. My purpose is to monitor the attenuation of the peak value of the action potential with distance from the ion channel. My question is: 1. How can I appl...

Hi, I'm trying to use ModelDB:135839. fter compiling the mod file and clicked on the mosinit.hoc, I got this error message: C:\nrn\bin\nrniv.exe: na is not a MECHANISM in Rapid_rising_somatic_spike_soma_axon.hoc near line 105 forall insert na xopen("Rapid_risi...") execute1("{xopen(&q...

Hi, I'm trying to download the old version of NEURON5.9 in order to run a legacy model, but I'm not quite sure about which folder should I download from: https://neuron.yale.edu/ftp/neuron/versions/v5.9/ By the way, I'm using Win10 and also which version of Python should I install, Python 3.7 or Pyt...

I also got another confusion that when I double click on eaps\cell\d151.hoc, I got these error messages: NEURON -- VERSION 7.7.2 7.7 (2b7985ba) 2019-06-20 Duke, Yale, and the BlueBrain Project -- Copyright 1984-2018 See http://neuron.yale.edu/neuron/credits Could not open C:/Users/sunxi/AppData/Roam...

When browsing the forum, I noticed that combining different parts from other models to create a new model wasn't easy, so if I could modify the original code from Extracellular Action Potential Simulation: https://senselab.med.yale.edu/ModelDB/ShowModel.cshtml?model=84589#tabs-1 the attempt to creat...

Hi, I'm trying to reuse the Extracellular Action Potential Simulation from: https://senselab.med.yale.edu/ModelDB/ShowModel.cshtml?model=84589#tabs-1 It was implemented in 2006, and some code didn't work right now. I also have tried to create my own model by combining different parts from the other ...

Thanks for your advice, it works now!

Hi, I'm trying to simulate the intracellular electric field gerneated by the action potential propagating along the myelinated axon with the influence of sodium ion accumulation at the Node of Ranvier. For the uniform myelinated axon and its initialization, I used the cable.hoc and init.hoc from: ht...

Good day, I'm using Win10 64-bit, and I've already installed NEURON and Anaconda. When I double click nrniv_python from Start Menu, this error message showed: Could not open C:/Users/sunxi/AppData/Roaming/Microsoft/Windows/Start Menu/Programs/Anaconda3 (64-bit)/Anaconda Prompt.lnk Could not open C:/...

Thank you for the response. Now I've changed to another computer which is also Win10 and downloaded nrn file in the C:\ , and the path issue was solved. When I typed these code in cmd, these error message occurred: Microsoft Windows [版本 10.0.17763.737] (c) 2018 Microsoft Corporation。保留所有权利。 C:\Users...