TVB Users

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Welcome to the TVB Users group

Here, the users of the Virtual Brain can ask questions, provide feedback and discussion functionality.

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Lorenzo Prione, WOODMAN Michael3

Oct 22

"Fake nodes" in connectivity 192

Hi, The positions don't seem to be similar, they seem identical. But even if they were similar,

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"Fake nodes" in connectivity 192

Hi, The positions don't seem to be similar, they seem identical. But even if they were similar,

Oct 22

Dominique Hughes, … WOODMAN Michael6

Oct 4

Clamping Excitatory Firing Rate with Reduced Wong Wang Model

hi the AfferentCoupling monitor is intended for debugging does not therefore respect the period

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Clamping Excitatory Firing Rate with Reduced Wong Wang Model

hi the AfferentCoupling monitor is intended for debugging does not therefore respect the period

Oct 4

MICHELANGELO FABBRIZZI

Sep 22

Dear TVB experts, I would like to understand if it is possible to use a matrix with different

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Dear TVB experts, I would like to understand if it is possible to use a matrix with different

Sep 22

JESUS CABRERA ALVAREZ, … WOODMAN Michael3

Sep 13

Stochastic integrarion

hi you can set nsig to zero for all other variables. there's an example in this notebook, cell 6

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Stochastic integrarion

hi you can set nsig to zero for all other variables. there's an example in this notebook, cell 6

Sep 13

Rogelio Pegueros, Lia Domide4

Sep 4

Connectivity ZIP

Could a manual edit of the connectivity files, and picking the right 85 regions work for you? You

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Connectivity ZIP

Could a manual edit of the connectivity files, and picking the right 85 regions work for you? You

Sep 4

Leo Barros, Elike Morsink2

Sep 3

Atlas information request

Hello, I was having the same question. Is there already more known about this? Best, Elike Op vrijdag

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Atlas information request

Hello, I was having the same question. Is there already more known about this? Best, Elike Op vrijdag

Sep 3

Szymon Tyras, … Daniele Marinazzo5

Aug 31

Validity of Sliding-Window FCD as a Fitting Target

Dear Daniele, My sincere apologies for the delayed response—I must have somehow overlooked your

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Validity of Sliding-Window FCD as a Fitting Target

Dear Daniele, My sincere apologies for the delayed response—I must have somehow overlooked your

Aug 31

Lorenzo Prione2

Aug 14

Stimulus width does not change EEG projection?

Sorry, of course the TVB function I meant is plot_pattern, not plot_stimulus. Il giorno mercoledì 14

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Stimulus width does not change EEG projection?

Sorry, of course the TVB function I meant is plot_pattern, not plot_stimulus. Il giorno mercoledì 14

Aug 14

Sándor Burian, Randy McIntosh2

Aug 11

How to use VTB to simulate brain tissue instead of whole brain

TVB really isn't meant for modelling cell cultures. There are other packages that you should

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How to use VTB to simulate brain tissue instead of whole brain

TVB really isn't meant for modelling cell cultures. There are other packages that you should

Aug 11

liuxin...@gmail.com, WOODMAN Michael2

Jul 8

Threshold -2.05 in 2D Epileptor model

hi, The threshold may change as a function of model parameters, but not the simulation length time.

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Threshold -2.05 in 2D Epileptor model

hi, The threshold may change as a function of model parameters, but not the simulation length time.

Jul 8

WOODMAN Michael

Jul 8

Re: [RESEAUX SOCIAUX] [TVB] PowerSpectraInteractive() not working anymore?

hi, Those viewers are deprecated. Please use plain plotting tools like `specgram`. cheers, Marmaduke

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Re: [RESEAUX SOCIAUX] [TVB] PowerSpectraInteractive() not working anymore?

hi, Those viewers are deprecated. Please use plain plotting tools like `specgram`. cheers, Marmaduke

Jul 8

Elike Morsink, WOODMAN Michael2

Jul 8

Processing simulated EEG data

hi, are you working with EEG data or intracranial EEG ? most of the work in TVB has been done with

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Processing simulated EEG data

hi, are you working with EEG data or intracranial EEG ? most of the work in TVB has been done with

Jul 8

Lorenzo Prione, WOODMAN Michael11

Jul 4

Unit of measure for current of pulse train

hi In principle, yes, but it is unlikely that this is the problem you wish to solve. The effect of

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Unit of measure for current of pulse train

hi In principle, yes, but it is unlikely that this is the problem you wish to solve. The effect of

Jul 4

Sergio Herrero Fernández, Lia Domide2

Jun 25

how to import connectivity

Hi, TVB expectations on a Large Scale Connectivity are explained here: https://docs.thevirtualbrain.

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how to import connectivity

Hi, TVB expectations on a Large Scale Connectivity are explained here: https://docs.thevirtualbrain.

Jun 25

Lorenzo Prione, WOODMAN Michael2

Jun 13

TVB EEG sensors

hi I'm not aware of a data repository, but it is possible to import the TVB surface into a

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TVB EEG sensors

hi I'm not aware of a data repository, but it is possible to import the TVB surface into a

Jun 13

Elike Morsink, WOODMAN Michael6

May 31

Raw monitoring of Epileptor model

hi, On the model instance, the variables_of_interest attribute is a list of expressions that should

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Raw monitoring of Epileptor model

hi, On the model instance, the variables_of_interest attribute is a list of expressions that should

May 31

Joey Gao, WOODMAN Michael5

May 30

A question about the G to ajust the parameter

Here are the citations of those figures, notably in supplementary. Monteverdi, A., Palesi, F.,

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A question about the G to ajust the parameter

Here are the citations of those figures, notably in supplementary. Monteverdi, A., Palesi, F.,

May 30

Dominique Hughes, … WOODMAN Michael6

May 27

Results the Same for Different G

Hi, Thank you so much, that is extremely helpful. I was basing the noise value based on results

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Results the Same for Different G

Hi, Thank you so much, that is extremely helpful. I was basing the noise value based on results

May 27

Josh Neudorf, WOODMAN Michael4

May 27

Convert empirical BOLD to firing rate and membrane potential for tvb.simulation.inital_conditions

hi that depends on the model. Some models like the Reduced Wong-Wang only have fixed points, so that

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Convert empirical BOLD to firing rate and membrane potential for tvb.simulation.inital_conditions

hi that depends on the model. Some models like the Reduced Wong-Wang only have fixed points, so that

May 27

michiel aten, WOODMAN Michael2

May 24

long runtime/slow simulation when simulating NMMs with jansen rit model.

hi, The generic TVB implementation is not optimized, and there are a lot of ways to speed up the

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long runtime/slow simulation when simulating NMMs with jansen rit model.

hi, The generic TVB implementation is not optimized, and there are a lot of ways to speed up the

May 24

Lorenzo Prione, WOODMAN Michael2

May 23

Question on https://github.com/ins-amu/scripts output

hi This is a fairly old and unmaintained codebase, unfortunately. The files you're referring to

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Question on https://github.com/ins-amu/scripts output

hi This is a fairly old and unmaintained codebase, unfortunately. The files you're referring to

May 23

Simon Beyer, … Lia Domide5

May 22

Shape of outputs, FFT

Hi Simon, How about setting the window_finction to an instance of WindowingFunctionsEnum ? from tvb.

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Shape of outputs, FFT

Hi Simon, How about setting the window_finction to an instance of WindowingFunctionsEnum ? from tvb.

May 22

Mahmoud, WOODMAN Michael2

Apr 17

How to control the timing of stimulations

hi, There are relevant demos in the documentation https://docs.thevirtualbrain.org/demos/Demos.html

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How to control the timing of stimulations

hi, There are relevant demos in the documentation https://docs.thevirtualbrain.org/demos/Demos.html

Apr 17

JESUS CABRERA ALVAREZ, WOODMAN Michael2

Apr 5

gdist_local_connectivity asymmetric

hi, Without further information, it sounds like a numerical error; in the short term you can do

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gdist_local_connectivity asymmetric

hi, Without further information, it sounds like a numerical error; in the short term you can do

Apr 5

Mar 29

TVB-Ready data request

Hey everyone, Is there a TVB-ready data set available of a healthy human brain. I read that the

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TVB-Ready data request

Hey everyone, Is there a TVB-ready data set available of a healthy human brain. I read that the

Mar 29

Mar 29

Generating empirical BOLD data

Hello all, I have fMRI imaging of patients with a disease. I am looking to simulate BOLD data using

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Generating empirical BOLD data

Hello all, I have fMRI imaging of patients with a disease. I am looking to simulate BOLD data using

Mar 29

Mahmoud, meysam....@gmail.com3

Mar 15

BTW, it is important to pint out that Epileptor is a complete taxonomy of system bifurcations to

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BTW, it is important to pint out that Epileptor is a complete taxonomy of system bifurcations to

Mar 15

WOODMAN Michael, … Szymon Tyras3

Feb 24

Re: [RESEAUX SOCIAUX] [TVB] Issue with Reproducing Results from TVB-EduCase-BrainTumor Tutorial

Dear Marmaduke and Daniele Marinazzo, Thank you for your responses. Indeed, Marmaduke accurately

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Re: [RESEAUX SOCIAUX] [TVB] Issue with Reproducing Results from TVB-EduCase-BrainTumor Tutorial

Dear Marmaduke and Daniele Marinazzo, Thank you for your responses. Indeed, Marmaduke accurately

Feb 24

Feb 23

Re: [TVB] TVB Brain Tumor Tutorial - problem with reproducing results

For some reason this is not really posted… Let us see if a reply gets it to the group... On 18 Feb

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Re: [TVB] TVB Brain Tumor Tutorial - problem with reproducing results

For some reason this is not really posted… Let us see if a reply gets it to the group... On 18 Feb

Feb 23

Dominique Hughes, meysam....@gmail.com2

Feb 13

Best Ways to Check Parameter Fitting Code?

Hi Dominique, In order to perform a sanity check on the estimation process, one can make a set of the

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Best Ways to Check Parameter Fitting Code?

Hi Dominique, In order to perform a sanity check on the estimation process, one can make a set of the

Feb 13

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