[Freesurfer] Invitation to free symposium “What is brain connectivity?”

2024-04-09 Thread Rullmann, Michael 
Dear colleagues,

 

On behalf of the  

 Molecular Connectivity Working Group, I am delighted to invite you to our next 
hybrid symposium with the title “What is brain connectivity?”, bringing 
together leading experts in the field of fMRI, DWI, EEG, and molecular imaging. 
 

 Registration is free (but places are limited - only 15 places left for 
in-person registration at the moment!).

 

 Date: May 3, 2024
 Time: 9:00 am - 1:00 pm CEST

    Virtually + @TranslaTUM, University Hospital “Klinikum rechts der Isar”, 
Ismaninger Str. 22, Munich 

 

Key Highlights:

·   Recognized experts

·  欄 Networking opportunities

·   Virtual and on-site hybrid event 

·    No registration fees


Goal

The symposium aims to identify a common denominator across modalities in the 
definition of macroscale brain connectivity. The event is supposed to provide a 
baseline for follow-up debates on standardized nomenclature for molecular 
connectivity.

 

 For more information visit:  

 tinyurl.com/MCWGMunich2024

 

Registration:

Registration for the symposium is open and free but obligatory. Places are 
limited so do not miss out on the opportunity to be a part of this event by 
securing your spot  

 here. 

 

NB: in-person registration closes on April 14th!


Thanks to the sponsors  

 Deutsche Forschungsgemeinschaft (DFG) - German Research Foundation,  

 Bruker (PMOD),  

 Curium Pharma,  

 Technical University of Munich for the support.

 

Who we are

The

Re: [Freesurfer] PetSurfer: Can kinetic modeling be applied to PET data with single frame?

2024-04-09 Thread Rullmann, Michael 
You can just google those values for each scanner.

For example:

https://secure-web.cisco.com/1XqX9-a2LU-Yqo_eubkdqqmahVQPBMg1MvLiOSxV5SHgUNoohax6i_xqsuxgNWaGaYEFJOxJsV11MLT6HHPiItNJeCGcOpVrw3hkNph4i7cDnF6mIPBYXYS_7UwBKXePxqIoeUnn502yqPymKl-jCG3IF8rs4QJ23ue3hl1wCnMbVuMOqrbLmfa5WYv5SNbb9oJgRSyufzcncChaZUVs3DVHDzh_jFTwhKsxhutEHCAMvsT8v5R66-1qPhIKS_Y36ul2LwJnGJl5TNlrFnilUI5NJsunm5q7r9WSLf6AlvdPgxeuprMIa2pTRRORkGG3w/https%3A%2F%2Fwww.google.com%2Fsearch%3Fq%3Dnema%2Bfwhm%2Bsiemens%2BmMR

 

Second result links directly to the Siemens website:

https://secure-web.cisco.com/1nbS9Vytnf798M-69hNgHUf9LyYJC4rkYI4w5c0QOt-Xd4n6mwlq-btGz5Nj6v4ciYO_m8LlBQQmPrMl26Bs9lG3WStwV-7GPVAEy2ABiy2zfNI3I5OvfjkMHzooOZUki5sPe70e6vm9lnb51h06HiA5lDgoO13QgqMhiNFRuUZoRp9usrCq8-ewf48IariB6LLxHlZyS_3jiTYj9KtBx_v6vfDFLq3M8hsUxnj2ar-P46i2JcRsfMLIUJQXlTCyTB0lp3-DbVtYFhsa6nvALJmqd3uEhHoM8B1VGbT5p9jT3FoMvds59LWkwoi0nHslf/https%3A%2F%2Fwww.siemens-healthineers.com%2Fmagnetic-resonance-imaging%2Fmr-pet-scanner%2Fbiograph-mmr

 

There, it is stated:

Transverse spatial resolution (NEMA 2012)

FWHM @ 1 cm : 4.6 mm

 

 

You can also determine the parameters yourself by following the NEMA standards.

 

Best

Michael

 

 

Von: freesurfer-boun...@nmr.mgh.harvard.edu 
 Im Auftrag von WONG Wan Wa
Gesendet: Dienstag, 9. April 2024 12:03
An: Freesurfer support list 
Betreff: Re: [Freesurfer] PetSurfer: Can kinetic modeling be applied to PET 
data with single frame?

 

WARNUNG: Diese E-Mail kam von außerhalb der Organisation. Klicken Sie nicht auf 
Links oder öffnen Sie keine Anhänge, es sei denn, Sie kennen den Absender und 
wissen, dass der Inhalt sicher ist. 

 

External Email - Use Caution

How to determine the PSF?

  _  

From: freesurfer-boun...@nmr.mgh.harvard.edu 
  
mailto:freesurfer-boun...@nmr.mgh.harvard.edu> > on behalf of WONG Wan Wa 
mailto:angelw...@ust.hk> >
Sent: Friday, April 5, 2024 12:14 PM
To: Freesurfer support list mailto:freesurfer@nmr.mgh.harvard.edu> >
Subject: Re: [Freesurfer] PetSurfer: Can kinetic modeling be applied to PET 
data with single frame? 

 

External Email - Use Caution

Any idea about the PSF?

  _  

From: freesurfer-boun...@nmr.mgh.harvard.edu 
  
mailto:freesurfer-boun...@nmr.mgh.harvard.edu> > on behalf of WONG Wan Wa 
mailto:angelw...@ust.hk> >
Sent: Tuesday, April 2, 2024 12:36 PM
To: Freesurfer support list mailto:freesurfer@nmr.mgh.harvard.edu> >
Subject: Re: [Freesurfer] PetSurfer: Can kinetic modeling be applied to PET 
data with single frame? 

 

External Email - Use Caution

Hi Douglas,

 

Here is the information given by the technician from the PET center:

 

There are a total of 3 machines used for PIB PET/CT or PET/MR scans

 

1.  PET/CT1 ( mCT)(contain "mCT" in the pet series)

Manufacturer: Siemens
ManufacturersModelName: Biograph128_mCT

recon method : TrueX + TOF (ultra HD-PET)

iteration: 5 subset:21 matrix: 400x400

zoom: 2.0  Gaussian filter FWHM: 2.0mm

 

2.  PET/CT2 (Vision)(contain "Vis" in the pet series)

Manufacturer: Siemens
ManufacturersModelName: Biograph128Edge_Vision 600

recon method:  TrueX + TOF (ultra HD-PET)

iteration: 8 subset: 5 matrix: 512x512

zoom: 2.0  Gaussian filter FWHM: 2.0mm

 

4.  PET/MR (mMR)

Manufacturer: Siemens
ManufacturersModelName: Biograph_mMR

recon method: HD-PET

iteration: 5 subset: 21 matrix: 344x344

zoom:2.0 Gaussian filter FWHM:2.0mm

 

Thanks,

Angel

 

  _  

From: freesurfer-boun...@nmr.mgh.harvard.edu 
  
mailto:freesurfer-boun...@nmr.mgh.harvard.edu> > on behalf of Douglas N. Greve 
mailto:dgr...@mgh.harvard.edu> >
Sent: Saturday, March 30, 2024 5:23 AM
To: freesurfer@nmr.mgh.harvard.edu   
mailto:freesurfer@nmr.mgh.harvard.edu> >
Subject: Re: [Freesurfer] PetSurfer: Can kinetic modeling be applied to PET 
data with single frame? 

 

That 2mm for the gaussian is just the post-processing filter and does not 
represent the full amount of partial volume effect. What kind of scanner is it? 

On 3/22/2024 12:42 AM, WONG Wan Wa wrote:

External Email - Use Caution

Hi Douglas,

 

Thanks for your clarification. This is my first time to run PetSurfer. We did 
want to normalize by cerebellar grey matter, and I will add the "--rescale 8 
47". I just copied "6" from the example command. I know "6" should be the FWHM 
of the point-spread function (PSF) of the scanner as measured in image space. I 
did ask the technician at the PET centre, and he replied that the 
reconstruction method was "OP-OSEM 8i21s" and the filter was "XYZ gaussian 
2.00". Can I use "2" for psf in the command?

 

Thanks,

Angel

 

  _  

From: freesurfer-boun...@nmr.mgh.harvard.edu 
   
 
 on behalf