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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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

WOODMAN Michael, … Szymon Tyras14

Feb 12

Re: [RESEAUX SOCIAUX] [TVB] Pre- and Post-FMRI processing problems for E-I DMF

Dear Michael, Thank you very much for your response. It appears that the issue was indeed related to

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Re: [RESEAUX SOCIAUX] [TVB] Pre- and Post-FMRI processing problems for E-I DMF

Dear Michael, Thank you very much for your response. It appears that the issue was indeed related to

Feb 12

Dominique Hughes, … Spase Petkoski17

Feb 8

Same Results In Different Simulations with Noise

Hi, The problem is resolved! Changing the seed when working directly from python changes the output

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Same Results In Different Simulations with Noise

Hi, The problem is resolved! Changing the seed when working directly from python changes the output

Feb 8

Yat-Lok Wong, Lia Domide6

Feb 4

A question to establish connection between postgresql and TVB client

Hi Lia! I did investigation myself again but unfortunately I still don't find the reason why I

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A question to establish connection between postgresql and TVB client

Hi Lia! I did investigation myself again but unfortunately I still don't find the reason why I

Feb 4

Joey Gao, Michael Schirner (michael.schirner@bih-charite.de)3

Jan 25

A question for processing data

Thanks again. I learned a lot from that. 在2024年1月24日星期三 UTC+8 17:55:37<Michael Schirner (michael.

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A question for processing data

Thanks again. I learned a lot from that. 在2024年1月24日星期三 UTC+8 17:55:37<Michael Schirner (michael.

Jan 25

Jan 19

PhD Position in computational neuroscience - Max Planck Toronto (J. Griffiths) / Saarbrucken (M. Toneva)

Hello TVB Friends. Happy 2024! Here is an opportunity that could be well-suited to someone in the TVB

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PhD Position in computational neuroscience - Max Planck Toronto (J. Griffiths) / Saarbrucken (M. Toneva)

Hello TVB Friends. Happy 2024! Here is an opportunity that could be well-suited to someone in the TVB

Jan 19

Priya Yadav, Lia Domide5

Jan 11

Cannot register on Tvb

Thanks , it worked . Regards, Priya From: tvb-...@googlegroups.com <tvb-...@googlegroups.com

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Cannot register on Tvb

Thanks , it worked . Regards, Priya From: tvb-...@googlegroups.com <tvb-...@googlegroups.com

Jan 11

Justin Wang, WOODMAN Michael2

Jan 8

Modifying Global Coupling (G) in Reduced Wong-Wang model with excitation and inhibtion

hi They combine multiplicatively; set one to 1.0 and tune the other. Both are available for

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Modifying Global Coupling (G) in Reduced Wong-Wang model with excitation and inhibtion

hi They combine multiplicatively; set one to 1.0 and tune the other. Both are available for

Jan 8

Justin Wang, WOODMAN Michael4

12/29/23

NaNs detected - power overflow?

Thank you for your help! This was resolved by halving dt in the integrator until the NaNs disappeared

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NaNs detected - power overflow?

Thank you for your help! This was resolved by halving dt in the integrator until the NaNs disappeared

12/29/23

Szymon Tyras, Randy McIntosh5

12/14/23

FCD as fitting target - question about signal quality

Dear Randy McIntosh, Thank you once more for your assistance; it has been incredibly beneficial to me

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FCD as fitting target - question about signal quality

Dear Randy McIntosh, Thank you once more for your assistance; it has been incredibly beneficial to me

12/14/23

shikei Chang (おわり), WOODMAN Michael2

12/6/23

Inquiry about Source Code Access for models.ReducedWongWangExcInh in tvb-library 2.8.2

hi the source is available on GitHub, and for this model in particular https://github.com/the-virtual

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Inquiry about Source Code Access for models.ReducedWongWangExcInh in tvb-library 2.8.2

hi the source is available on GitHub, and for this model in particular https://github.com/the-virtual

12/6/23

Joey Gao, Lia Domide2

12/6/23

corr_coeff problem

Hi, Have a look at this example: https://nbviewer.thevirtualbrain.org/url/docs.thevirtualbrain.org/

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corr_coeff problem

Hi, Have a look at this example: https://nbviewer.thevirtualbrain.org/url/docs.thevirtualbrain.org/

12/6/23

Deepa Tilwani, … Marmaduke Woodman6

11/23/23

Need Flat Noise

hi, usually this happens when the call to simulator.run has a random state passed as well. you can

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Need Flat Noise

hi, usually this happens when the call to simulator.run has a random state passed as well. you can

11/23/23

nskplta, Lia Domide7

11/21/23

PSE failure - void data

Hi Lia, The screenshot from the Discrete PSE visualizer I attached, as well as the Isocline PSE, are

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PSE failure - void data

Hi Lia, The screenshot from the Discrete PSE visualizer I attached, as well as the Isocline PSE, are

11/21/23

Ege Kibrislioglu, Lia Domide2

11/16/23

Generating EEG Data

Hi, You could start with: eeg_monitor = monitors.EEG.from_file(period=2**-2) If to use your own

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Generating EEG Data

Hi, You could start with: eeg_monitor = monitors.EEG.from_file(period=2**-2) If to use your own

11/16/23

Amod Holla, Marmaduke Woodman3

11/10/23

Error in simulation

Hi, I figured out the source of the error. My regionmapping.txt file has 85 regions (numbered 1-85)

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Error in simulation

Hi, I figured out the source of the error. My regionmapping.txt file has 85 regions (numbered 1-85)

11/10/23

Hannah Hacker, Michael Schirner (michael.schirner@bih-charite.de)3

11/10/23

fast_tvb output

Thank you so much! Michael Schirner (michael....@bih-charite.de) schrieb am Freitag, 10.

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fast_tvb output

Thank you so much! Michael Schirner (michael....@bih-charite.de) schrieb am Freitag, 10.

11/10/23

Mohammadreza, Julie Courtiol3

11/7/23

Generating fMRI resting state network

Hi, Thank you very much for your response! I am working on generating BOLD simulated resting state

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Generating fMRI resting state network

Hi, Thank you very much for your response! I am working on generating BOLD simulated resting state

11/7/23

Daniele Avitabile, Lia Domide3

11/7/23

Surface data and matching connectivity for numerical test

Thank you for your response Lia. I will give this a go. Daniele Avitabile Associate Professor in

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Surface data and matching connectivity for numerical test

Thank you for your response Lia. I will give this a go. Daniele Avitabile Associate Professor in

11/7/23

shikei Chang (おわり)

11/5/23

On the parameters of the reduced wong-wang model

Dear Community Members, I am writing to seek guidance regarding the parameters used in the Reduced

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On the parameters of the reduced wong-wang model

Dear Community Members, I am writing to seek guidance regarding the parameters used in the Reduced

11/5/23

Ege Kibrislioglu, Lia Domide2

11/2/23

WARNING File 'hemispheres' not found in zip

Hi, This is a warning related to Connectivity input not containing the hemisphere information, and

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WARNING File 'hemispheres' not found in zip

Hi, This is a warning related to Connectivity input not containing the hemisphere information, and

11/2/23

Dominique Hughes, … courtio...@gmail.com4

11/2/23

Simulating BOLD through TVB GUI

Hi Dominique, Yes, exactly. It is the excitatory population that is used to compute BOLD responses.

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Simulating BOLD through TVB GUI

Hi Dominique, Yes, exactly. It is the excitatory population that is used to compute BOLD responses.

11/2/23

10/25/23

Hey everybody, I am trying to set up a simulation in TVB. For this I created a connectivity file from

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Hey everybody, I am trying to set up a simulation in TVB. For this I created a connectivity file from

10/25/23

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