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Wednesday, October 1, 2025

apparent motion also at 7T

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WUSTL (ahem, WashU) recently set up a 7T scanner (Siemens Terra; 8Tx32Rx_Head_C head coil), and we've started a bit of piloting and ex...
Wednesday, June 18, 2025

OHBM 2025 (let's chat about crescents!)

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I'll be at OHBM 2025 next week (want to meet up? drop me a line), presenting a poster about the crescent artifacts  (""Crescen...
Monday, March 10, 2025

"fun" with Box AI information leakage

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Our university IT folks encourage employees to use their box account for data storage, including of sensitive (human subjects research data,...
Friday, January 10, 2025

intro to working with volume and surface brain data

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When preparing to update my surface (gifti) tutorial knitr , I realized that some of the confusion I was trying to address wasn't due to...
Friday, December 6, 2024

"crescent" artifacts revisited

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Back in 2018 I posted twice about "crescent" artifacts ( first , second ), and have kept a casual eye out for them since, wonderin...
2 comments:
Tuesday, June 25, 2024

tutorial: making new versions of NIfTI parcellation files

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This post is a tutorial on making new versions of NIfTI files, particularly parcellation images. For example, suppose you ran an analysis us...
Thursday, April 4, 2024

Corresponding Schaefer2018 400x7 and 400x17 atlas parcels by number

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My "default" cortical parcellation is the 400 parcels by 7 networks version of Schaefer2018 . I like these parcellations because t...