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Dear Elijah, I presume these are dynamic PET time-activity curves? I don’t have PMOD in front of me but if each VOI is encoded by a different voxel value that should be very easy in PMOD - it’s akin to sampling multiple regions with the Hammers_mith maximum probability map implemented in PMOD. Have you got the PNEURO module? If you follow the steps for a standard atlas-based analysis and then simply replace the atlas with your .nii with multiple VOIs, I can’t see a reason why that wouldn’t work. All the best and good luck, Alexander ----------------------------------------- Alexander Hammers, MD PhD Professor (Honorary Consultant) of Imaging and Neuroscience Head of PET Imaging Centre Division of Imaging Sciences and Biomedical Engineering King's College London St Thomas' Hospital, London Telephone +44-(0)20 7188 8364 (PA Amanda Provencal) Email [log in to unmask] On 12 Jan 2016, at 22:39, Rockers, Elijah D. <[log in to unmask]> wrote: > Hello, I'd like to extract some VOI-based TACs from some dynamic data in > SPM. I used PMOD to create a single .nii file that is a 'map' of the > different VOIs. It's possible to split the VOIs in PMOD into separate > .nii files, which my friend can use to get TACs one-by-one, but we are > wondering if there is a way to get multiple TACs from the single .nii > file containing multiple VOIs, because it takes a long time to split the > VOI files. > > Does anyone have any suggestions? > > Houston Methodist. Leading Medicine. > > Ranked by U.S.News & World Report as one of America's "Best Hospitals" in 11 specialties. Named to FORTUNE® Magazine's "100 Best Companies to Work For®" list 10 years in a row. Designated as a Magnet hospital for excellence in nursing. Visit us at houstonmethodist.org. Follow us at twitter.com/MethodistHosp and www.facebook.com/HoustonMethodist. > > ***CONFIDENTIALITY NOTICE*** This e-mail is the property of Houston Methodist Hospital and/or its relevant affiliates and may contain restricted and privileged material for the sole use of the intended recipient(s). Any review, use, distribution or disclosure by others is strictly prohibited. If you are not the intended recipient (or authorized to receive for the recipient), please contact the sender and delete all copies of the message. Thank you.