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I do want the synapses to be activated independently. Given the rather messy, nonmodular state of the hoc file (derived from Mainen & Sejnowski's model in the NEURON database) this will take some thought, but your answer points me in the right direction. Thanks very much.

Good afternoon. I'm not sure this is the right place to post this, but here goes... I have a model in which AlphaSynapses are placed in various segments of a single model neuron. I would like to have the AlphaSynapses fire in response to a spike train rather than singly, and NetStim seems like it mi...

I am running a simulation repeatedly with different input each time. In each run, different procedures in the hoc file generate nearly 100 data items, some of which are strings and some of which are numbers. The program writes the items both to the standard output and to an output file as they are g...

Ah. So the coordinates of the nodes would be the coordinates of the midpoints of the segments, which is what I want.

Thanks very much for your help. I will try to implement that algorithm in my model.

ja

What are the "nodes" referred to in interpxyz.hoc?

I have a couple of questions about the following hoc code and a modified version of it: objectvar f, randx f = new File() f.ropen("randnums/rsx0.dat") irand = f.scanvar() randx = f.scanvar() The code above, extracted from a larger program based on demofig1.hoc from patdemo.zip, gives the f...

Thanks for the prompt response. I want to know the xyz coordinates of segment centers.

ja

I would like to display the three-dimensional coordinates of a position x in a section of a neuron model defined by a pt3d list. The particular model I'm using right now is the layer 2/3 pyramid from Mainen and Sejnowski's patdemo.zip, but I'd like to know how to do it in general. Can x3d, y3d, and ...