Search found 12 matches

by ram1712
Wed Dec 11, 2013 3:56 pm
Forum: Getting started
Topic: Insertion of homogenous light electrode ????
Replies: 1
Views: 888

Insertion of homogenous light electrode ????

Is there any way in which we can insert a light electrode in the neuron code in a similar way in which we insert a current electrode or voltage electrode
by ram1712
Tue Dec 10, 2013 12:18 am
Forum: Getting started
Topic: Creation of channelrhodopsin2 using Neuron
Replies: 12
Views: 3355

Re: Creation of channelrhodopsin2 using Neuron

Yes Determination of the ChR2 transmembrane channel conductance depends on the transmembrane voltage (Vm), the reversal potential (Ecat, set to 0 mV), and the channel conductance (gChR2). The ChR2current during illumination (imax) was determined by Ohm’s law: imax= (Vm-Ecat)gChR2 ChR2 channel conduc...
by ram1712
Mon Dec 09, 2013 8:23 pm
Forum: Getting started
Topic: Creation of channelrhodopsin2 using Neuron
Replies: 12
Views: 3355

Re: Creation of channelrhodopsin2 using Neuron

Thank you very much for letting me know about modllunit.I fixed a lot of errors but there's this one error which just keeps on appearing repeatedly and i couldn't figure it out The previous primary expression with units :0.01 coul/m2-sec is missing a conversion factor and should read : (0.001)*() at...
by ram1712
Sat Dec 07, 2013 6:38 pm
Forum: Getting started
Topic: Creation of channelrhodopsin2 using Neuron
Replies: 12
Views: 3355

Re: Creation of channelrhodopsin2 using Neuron

I modified the code and tried to compile using nmodll but i got the following error:--- Illegal or unimplemented SOLVE type :states at line 63 (i.e final line of the code) the code is:--- TITLE CHANNELRHODOPSIN 2 NEURON { SUFFIX CHR2 NONSPECIFIC_CURRENT ichr2 RANGE gchr2 } UNITS { (um) = (micron) (m...
by ram1712
Wed Nov 27, 2013 2:57 am
Forum: Getting started
Topic: Creation of channelrhodopsin2 using Neuron
Replies: 12
Views: 3355

Re: Creation of channelrhodopsin2 using Neuron

No they haven't created using NEURON hence i tried to create the .mod file by my own using the parameters mentioned Could you please help me figure out if the code that i have written is correct or not?? There is a 4 state markov chain containing 2 open and 2 closed states Ka1:- Transisition rate fr...
by ram1712
Sun Nov 24, 2013 3:25 pm
Forum: Getting started
Topic: Creation of channelrhodopsin2 using Neuron
Replies: 12
Views: 3355

Re: Creation of channelrhodopsin2 using Neuron

Actually i'm working on a model of C-fibre that i have currently and i plan to create a ChR2 channel in it using the parameters specified by :-- Theoretical principles underlying optical stimulation of myelinated axons expressing channelrhodopsin-2 R.L. Arlow, T.J. Foutz, C.C. McIntyre http://www.sc...
by ram1712
Sat Nov 23, 2013 2:29 pm
Forum: Getting started
Topic: Creation of channelrhodopsin2 using Neuron
Replies: 12
Views: 3355

Creation of channelrhodopsin2 using Neuron

Hi,
I wish to create a ChannelRhodopsin2 channel using Neuron. I have all the parameters required but i don't know how to proceed further as in i have to create a .mod file



Can somebody please help me out regarding this as to how to proceed with this??
by ram1712
Mon Nov 11, 2013 12:25 pm
Forum: Getting started
Topic: Help in understanding the terms in a code
Replies: 3
Views: 2041

Help in understanding the terms in a code

Hi, I have this reference programme . The final section is a code which plots a voltage graph for soma,axon dendrite in a C-fibre // graph x = 0.5 objref g g = new Graph() addplot(g, 0) g.size(0,tstop,-100,100) g.addvar("soma.v(x)",3,2) // blue g.addvar("axon.v(x)",2,2) // red for i = 0,idend-1 { g....
by ram1712
Thu Nov 07, 2013 8:04 pm
Forum: Specific models
Topic: A syntax error.
Replies: 5
Views: 12635

Re: A syntax error.

YES. i compiled the mod files and the .dll file got created and then when i loaded the .hoc file it works.

Thank you!!!
by ram1712
Thu Nov 07, 2013 5:03 pm
Forum: Specific models
Topic: A syntax error.
Replies: 5
Views: 12635

Re: A syntax error.

Sorry for posting in the wrong section.The error seems to be gone now.Like i said since i started learning NEURON a few days ago i might be making a lot of errors.

Anyways Thank you very much for your help
by ram1712
Thu Nov 07, 2013 12:21 pm
Forum: Specific models
Topic: A syntax error.
Replies: 5
Views: 12635

A syntax error.

Hi, Just started learning neuron a few days ago.I have this code of a c fibre. When i compiled the hoc file there was a syntax error on line no 17: insert fvnag3e // Nav 1.7 channel: endings of pain-sensing nerves . When i removed that channel the error moved to the next line. Since i just started t...