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About gain matrix #4

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nana-zhang opened this issue Aug 26, 2022 · 3 comments
Open

About gain matrix #4

nana-zhang opened this issue Aug 26, 2022 · 3 comments

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@nana-zhang
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Hello, I didn't use docker. I installed the relevant environment on my computer and ran the code. I tried to generate the gain matrix with the data of T1, DWI, CT, and the position SEEG electrode contacts, and generated the elec file, as shown in the figure:
Screenshot from 2022-08-26 16-36-25
The purpose of generating the gain matrix is to use the real SEEG data to run BVEP to judge EZ. However, it seems that there is no gain matrix I want in the generated file. Is there a problem with the operation of my code?

@maedoc
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maedoc commented Sep 1, 2022

There are several gain matrices there, usually we'd use the one titled gain_inv-square.vep.txt.

@nana-zhang
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Hello, thank you very much for your reply. I use the gain_ Inv-square.destrieux.txt. Is there any difference between gain_inv-square. destrieux.txt and gain_volume.destrieux.txt?

@maedoc
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maedoc commented Sep 1, 2022

The inverse square matrix uses a simpler rule to compute the gain, I would start with that one, and worry about the difference much later when you have reasonable results from the modeling/inference step.

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