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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Silvana Huertas

Aug 11

How to input tACS forward solution (FEM) into model

Hi, I'm trying to simulate tACS in resting state using a Jansen-Rit model. Based on the paper by

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How to input tACS forward solution (FEM) into model

Hi, I'm trying to simulate tACS in resting state using a Jansen-Rit model. Based on the paper by

Aug 11

Orestis Stylianou

Aug 10

Parameter Exploration in Kuramoto Model

Hello, I am trying to simulate the brain activity of 46 people for whom I have only their EEG signals

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Parameter Exploration in Kuramoto Model

Hello, I am trying to simulate the brain activity of 46 people for whom I have only their EEG signals

Aug 10

Lia Domide, … WOODMAN Michael5

Aug 8

Re: Error when using TemporalApplicableEquation

hi Can you include the traceback as well please? Thanks, Marmaduke From: tvb-users@googlegroups.com

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Re: Error when using TemporalApplicableEquation

hi Can you include the traceback as well please? Thanks, Marmaduke From: tvb-users@googlegroups.com

Aug 8

WOODMAN Michael, 啦啦啦11

Aug 8

Re: 回复： [SUSPECTED SPAM] [TVB] Process Empirical SEEG data

OK, thank you very much for your help ------------------ 原始邮件 ------------------ 发件人: "tvb-users

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Re: 回复： [SUSPECTED SPAM] [TVB] Process Empirical SEEG data

OK, thank you very much for your help ------------------ 原始邮件 ------------------ 发件人: "tvb-users

Aug 8

khushigarg1001, WOODMAN Michael2

Aug 8

Visualizing Frequency Changes in VTAs Using The Virtual Brain

Hi, It's possible generate simulations for varying stimuli and then analyze the spectral changes.

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Visualizing Frequency Changes in VTAs Using The Virtual Brain

Hi, It's possible generate simulations for varying stimuli and then analyze the spectral changes.

Aug 8

lala z, … meysam....@gmail.com6

Jul 14

Process Empirical SEEG data

Hello, In Fittingworkflow_EmpiricalSEEGdata.ipynb in BVEP, I can't find the report.py: 在2022年7月12

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Process Empirical SEEG data

Hello, In Fittingworkflow_EmpiricalSEEGdata.ipynb in BVEP, I can't find the report.py: 在2022年7月12

Jul 14

Orestis Stylianou, Courtiol, Julie5

Jul 12

Names of brain regions in 192 connectivity

I see... Alright then, I will try to decipher the 192. Thanks for the clarification! On Tuesday, July

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Names of brain regions in 192 connectivity

I see... Alright then, I will try to decipher the 192. Thanks for the clarification! On Tuesday, July

Jul 12

Orestis Stylianou, … Courtiol, Julie9

Jul 11

Generic2DOscillatory - Parameter Exploration of Global Coupling and Mean Delay

Alright, Thanks! On Monday, July 11, 2022 at 1:02:00 PM UTC+2 julie.c...@bih-charite.de wrote: Hi

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Generic2DOscillatory - Parameter Exploration of Global Coupling and Mean Delay

Alright, Thanks! On Monday, July 11, 2022 at 1:02:00 PM UTC+2 julie.c...@bih-charite.de wrote: Hi

Jul 11

Maria Sundell, Courtiol, Julie3

Jul 4

Seeking beginners advice: how did you learn?

Dear Julie, Thank you so much for this input. I'll look into these sources. =) Have a nice day, /

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Seeking beginners advice: how did you learn?

Dear Julie, Thank you so much for this input. I'll look into these sources. =) Have a nice day, /

Jul 4

Nephiloso Wu, … NeuroLife6

Jun 28

Stimulatus applied on surface produced unrealistic result

Ah, I see. I missed that rescaling with sqrt(dt) when looking at the code, thanks! On Tuesday, June

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Stimulatus applied on surface produced unrealistic result

Ah, I see. I missed that rescaling with sqrt(dt) when looking at the code, thanks! On Tuesday, June

Jun 28

Courtiol, Julie

Jun 24

The Virtual Brain Summer School 2022!

ONLINE SUMMER SCHOOL The Virtual Brain in Clinical Research June 28 - September 12, 2022 Berlin TVB

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The Virtual Brain Summer School 2022!

ONLINE SUMMER SCHOOL The Virtual Brain in Clinical Research June 28 - September 12, 2022 Berlin TVB

Jun 24

MICHELANGELO FABBRIZZI, Petra Ritter2

Jun 19

Cerebellum inclusion in TVB

Dear Michelangelo, together with Egidio D'Angelo's team we are working on a multiscale

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Cerebellum inclusion in TVB

Dear Michelangelo, together with Egidio D'Angelo's team we are working on a multiscale

Jun 19

NeuroLife, WOODMAN Michael3

Jun 16

Question about the parameter bounds for the Wilson-Cowan model

Hi, I see, that makes sense. Thank you! Have a nice day! Dominic Boutet On Thursday, June 16, 2022 at

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Question about the parameter bounds for the Wilson-Cowan model

Hi, I see, that makes sense. Thank you! Have a nice day! Dominic Boutet On Thursday, June 16, 2022 at

Jun 16

Lin Chen, WOODMAN Michael4

Jun 16

name error in Jupyter notebook

Hi I just found the mistakes I made and solved the problem, thank you! On Thursday, June 16, 2022 at

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name error in Jupyter notebook

Hi I just found the mistakes I made and solved the problem, thank you! On Thursday, June 16, 2022 at

Jun 16

lala z, WOODMAN Michael2

Jun 16

Brain segmentation template of TVB-recon

hi, Please compare the names of the regions in both cases and report the discrepancy as an issue on

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Brain segmentation template of TVB-recon

hi, Please compare the names of the regions in both cases and report the discrepancy as an issue on

Jun 16

Lin Chen, WOODMAN Michael3

Jun 12

Different weights of long-range connection to the excitatory and inhibitory neurons in Wilson-Cowan model

Thank you very much! On Thursday, June 9, 2022 at 5:32:15 PM UTC+10 marmaduke.woodman wrote: hi In

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Different weights of long-range connection to the excitatory and inhibitory neurons in Wilson-Cowan model

Thank you very much! On Thursday, June 9, 2022 at 5:32:15 PM UTC+10 marmaduke.woodman wrote: hi In

Jun 12

Joelle Zimmermann, … Borjan Milinkovic9

Jun 10

Parameter Space Exploration in Python

Hi Marmaduke, Ah, thanks so much--of course! Much appreciated. Best, Boki On Friday, June 10, 2022 at

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Parameter Space Exploration in Python

Hi Marmaduke, Ah, thanks so much--of course! Much appreciated. Best, Boki On Friday, June 10, 2022 at

Jun 10

lala z, … WOODMAN Michael31

Jun 10

Code related to ADVI algorithm

Hello, Thank you very much for your reply. If you are willing to help me correct the problems in the

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Code related to ADVI algorithm

Hello, Thank you very much for your reply. If you are willing to help me correct the problems in the

Jun 10

Pallab K, … Michael Schirner6

Jun 9

Need Help in conversion to TVB format

Hi Pallab, the error message indicates that your accounts are not mapped (your role is "

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Need Help in conversion to TVB format

Hi Pallab, the error message indicates that your accounts are not mapped (your role is "

Jun 9

Jun 8

The Virtual Brain at SfN 2022!

The Virtual Brain Booth, San Diego, CA November 12 - 16, 2022 The TVB team is attending SfN22 and

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The Virtual Brain at SfN 2022!

The Virtual Brain Booth, San Diego, CA November 12 - 16, 2022 The TVB team is attending SfN22 and

Jun 8

Şiyar Bahadır, WOODMAN Michael4

Jun 7

Why do my BOLD signals end up being the same even I change initial conditions?

Hi, Thanks for the screen shots. Looking back at your model settings, I suspect the value of a=-2.0

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Why do my BOLD signals end up being the same even I change initial conditions?

Hi, Thanks for the screen shots. Looking back at your model settings, I suspect the value of a=-2.0

Jun 7

Jeehye An, Julie Courtiol2

Jun 5

Question about mouse brain resting-state simulation parameter

Hi, In part I, we are simulating an uncoupled system (one isolated node), while in part II, we are

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Question about mouse brain resting-state simulation parameter

Hi, In part I, we are simulating an uncoupled system (one isolated node), while in part II, we are

Jun 5

Orestis Stylianou, WOODMAN Michael3

Jun 3

Simulate 20 channel EEG

Yes, I was between taking the average or excluding the channel completely. Maybe average is a more

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Simulate 20 channel EEG

Yes, I was between taking the average or excluding the channel completely. Maybe average is a more

Jun 3

Julie Courtiol, … WOODMAN Michael3

Jun 3

Re: [TVB] Need help in running pre-processing pipeline in NSG server

hi The name for the site has since changed to "DAINT-CSCS". cheers, Marmaduke On 2 Jun 2022

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Re: [TVB] Need help in running pre-processing pipeline in NSG server

hi The name for the site has since changed to "DAINT-CSCS". cheers, Marmaduke On 2 Jun 2022

Jun 3

DK, WOODMAN Michael5

Jun 3

Steepness in Sigmoidal Jansen-Rit coupling confused with global coupling

Hi Marmaduke, Thanks for the explanation. I agree, it is confusing if the parameters do not match the

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Steepness in Sigmoidal Jansen-Rit coupling confused with global coupling

Hi Marmaduke, Thanks for the explanation. I agree, it is confusing if the parameters do not match the

Jun 3

Jeehye An, WOODMAN Michael2

May 31

area.txt in structural connectivity input

hi, This would be the cortical area as reported by eg FreeSurfer. It is not used for the simulation,

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area.txt in structural connectivity input

hi, This would be the cortical area as reported by eg FreeSurfer. It is not used for the simulation,

May 31

lala z, … WOODMAN Michael10

May 30

Bayesian inference with pymc3 in BVEP

Hi, Zero derivatives are sometimes problematic for the sampler, using because it's gotten to a

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Bayesian inference with pymc3 in BVEP

Hi, Zero derivatives are sometimes problematic for the sampler, using because it's gotten to a

May 30

Muhammed Görünen, WOODMAN Michael4

May 20

Functional connectivity matrix

Hi, This is usually something you should decide based on your application, but sketched broadly, that

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Functional connectivity matrix

Hi, This is usually something you should decide based on your application, but sketched broadly, that

May 20

Yat-Lok Wong, WOODMAN Michael3

May 20

memory issue when running simulation with `sim.run()`

Hi, Do you need the raw output for such a long run or is the temporal average sufficient? Cheers

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memory issue when running simulation with `sim.run()`

Hi, Do you need the raw output for such a long run or is the temporal average sufficient? Cheers

May 20

MICHELANGELO FABBRIZZI, Randy McIntosh2

May 19

Name of people working on Autism with TVB

Hi Michelangelo, We are planning on starting this work up again. It was originally part of a

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Name of people working on Autism with TVB

Hi Michelangelo, We are planning on starting this work up again. It was originally part of a

May 19

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