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A method for retrospective respiratory motion correction in free\u2010breathing, four\u2010dimensional (4D) abdominal MRI is presented. Our gastric low\u2010rank tensor\u2010based (GLOW) algorithm uses a low\u2010rank tensor (LRT) model to separate the temporal components that correspond to breathing motion from those related to gut motion, which are preserved due to being uncorrelated and spatially localized. As a proof\u2010of\u2010concept, the GLOW algorithm is applied to a human 4D gastric MRI dataset that includes data collected during both a fasted and fed state using a food\u2010based contrast meal. This approach allows for a more robust and accurate assessment of gastric peristalsis. The GLOW algorithm represents an important step toward the effective application of noninvasive, naturalistic approaches to robustly and accurately evaluate gastric function via MRI.<\/jats:p>","DOI":"10.1002\/nbm.70160","type":"journal-article","created":{"date-parts":[[2025,10,7]],"date-time":"2025-10-07T03:55:20Z","timestamp":1759809320000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["GLOW: Gastric LOW\u2010Rank Tensor\u2010Based Motion Correction for Abdominal 4D MRI"],"prefix":"10.1002","volume":"38","author":[{"given":"R.","family":"Sclocco","sequence":"first","affiliation":[{"name":"Department of Physical Medicine and Rehabilitation and Schoen and Adams Discovery Center for Chronic Pain Recovery Spaulding Rehabilitation Hospital, Harvard Medical School  Charlestown Massachusetts USA"},{"name":"Department of Gastroenterology and Center for Neurointestinal Health Massachusetts General Hospital, Harvard Medical School  Boston Massachusetts USA"},{"name":"Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging Massachusetts General Hospital, Harvard Medical School  Charlestown Massachusetts USA"},{"name":"Department of Radiology Logan University  Chesterfield Missouri USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.","family":"Coll\u2010Font","sequence":"additional","affiliation":[{"name":"Department of Radiology, Athinoula A. 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