Standardizing ROI placement significantly increases the within- and between-subject reliability of electric field models

•We introduce StandardizeROI code which repositions ROIs to the closest gray matter point, ensuring consistent placement.•StandardizeROI extracted a more consistent number of gray matter elements than raw ROI.•Raw ROI-based placement overestimated e-field strength by 28 % on average at a group-level...

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Published inBrain stimulation Vol. 18; no. 4; pp. 1137 - 1140
Main Authors Arias, Diego E., Sege, Christopher T., McTeague, Lisa M., Heise, Kirstin-Friederike, Caulfield, Kevin A.
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.07.2025
Elsevier
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Summary:•We introduce StandardizeROI code which repositions ROIs to the closest gray matter point, ensuring consistent placement.•StandardizeROI extracted a more consistent number of gray matter elements than raw ROI.•Raw ROI-based placement overestimated e-field strength by 28 % on average at a group-level (Fitzgerald MNI coordinate).•Applying StandardizeROI reduced Fitzgerald e-fields by 21.6 % compared to raw ROI e-fields.
Bibliography:content type line 23
SourceType-Scholarly Journals-1
ObjectType-Correspondence-1
ISSN:1935-861X
1876-4754
1876-4754
DOI:10.1016/j.brs.2025.05.135