[Simnibs-discuss] SimNIBS simulation - TMS study - Overlap figure

Dantas, A (MW) a.dantas at maastrichtuniversity.nl
Thu Jun 10 11:58:41 CEST 2021

Dear Axel,
One more question: What about the stimulation intensities? Can we adjust the intensity to check if the overlap is influenced by it?

Kind regards,

Aline Dantas
PhD candidate
Human Decision and Policy Design
Departments of Marketing and Supply Chain Management (SBE) and Cognitive Neurosciences (FPN)
Room F2.02. Tongersestraat 53, 6211 LM
Room 2.018. Oxfordlaan 55, 6229 EV

From: Dantas, A (MW)
Sent: Wednesday, 2 June 2021 15:10
To: 'Axel Thielscher' <axelt at drcmr.dk>; discuss at simnibs.org; jonas.persson at neuro.uu.se
Cc: Ébner, Nancy (Stud. FHML / Alumni UCV) <n.ebner at student.maastrichtuniversity.nl>
Subject: RE: [Simnibs-discuss] SimNIBS simulation - TMS study - Overlap figure

Thank you very much! I’ll try this solution.

Kind regards,
Aline Dantas

From: Axel Thielscher <axelt at drcmr.dk<mailto:axelt at drcmr.dk>>
Sent: Wednesday, 2 June 2021 14:50
To: Dantas, A (MW) <a.dantas at maastrichtuniversity.nl<mailto:a.dantas at maastrichtuniversity.nl>>; discuss at simnibs.org<mailto:discuss at simnibs.org>; jonas.persson at neuro.uu.se<mailto:jonas.persson at neuro.uu.se>
Cc: Ébner, Nancy (Stud. FHML / Alumni UCV) <n.ebner at student.maastrichtuniversity.nl<mailto:n.ebner at student.maastrichtuniversity.nl>>
Subject: Re: [Simnibs-discuss] SimNIBS simulation - TMS study - Overlap figure


for determining an overlap, you will have to set a threshold to then show the regions where both TMS fields exceed this threshold.  In the attached example code , I've used 0.75 as threshold, please adjust this according to your needs.

Regions where the first stimulation exceeds the threshold are coded as 1, regions where the second stimulation exceeds the threshold are coded as 2, the overlap is coded as 3.

[cid:image001.png at 01D75DEF.F4C11360]

Best regards,


On 5/26/2021 2:33 PM, Dantas, A (MW) wrote:
Dear all,
My student Nancy Ébner got in touch with you recently about the need for a Magventure double cone coil simulation using SimNIBS.
We ran the simulations successfully, so first of all I would like to thank you!
We have an experiment deactivating the VMPFC vs. deactivating the right DLPFC. So far, we managed to run both simulations, but it would be great if we could the overlap image of stimulating these two areas. We tried to make it but did not succeed.
Do you think you could help me to build that?

Thank you!
Kind regards,
Aline Dantas


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Dr. Axel Thielscher

Professor of Neurophysics and Neuroimaging

Danish Research Center for Magnetic Resonance

Copenhagen University Hospital Hvidovre

DK-2650 Hvidovre, Denmark



Department of Health Technology

Technical University of Denmark

DK-2800 Kgs. Lyngby

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