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This study aimed to develop a new eye-tracking (ET) post-processing platform to enhance data accuracy, validate the feasibility of subsequent ET-fMRI applications, and provide tool support. Sixteen volunteers aged 18 to 20 were exposed to a visual temporal paradigm with changing images of objects and faces in various locations while their eye movements were recorded using an MRI-compatible ET system. The results indicate that the accuracy of the data significantly improved after post-processing. Participants generally maintained their visual attention on the screen, with mean gaze positions ranging from 89.1% to 99.9%. In cognitive tasks, the gaze positions showed adherence to instructions, with means ranging from 46.2% to 50%. Temporal consistency assessments indicated prolonged visual tasks can lead to decreased attention during certain tasks. The proposed methodology effectively identified and quantified visual artifacts and losses, providing a precise measure of visual attention. This study offers a robust framework for future work integrating filtered eye-tracking data with fMRI analyses, supporting cognitive neuroscience research.<\/jats:p>","DOI":"10.3390\/s24154916","type":"journal-article","created":{"date-parts":[[2024,7,29]],"date-time":"2024-07-29T16:37:17Z","timestamp":1722271037000},"page":"4916","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Eye Tracking Post Processing to Detect Visual Artifacts and Quantify Visual Attention under Cognitive Task Activity during fMRI"],"prefix":"10.3390","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-5342-6352","authenticated-orcid":false,"given":"Maxime","family":"Leharanger","sequence":"first","affiliation":[{"name":"CHIMERE UR 7516, Jules Verne University of Picardy, 80000 Amiens, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0559-6432","authenticated-orcid":false,"given":"Pan","family":"Liu","sequence":"additional","affiliation":[{"name":"CHIMERE UR 7516, Jules Verne University of Picardy, 80000 Amiens, France"},{"name":"Medical Image Processing Department, Amiens Picardy University Medical Center, 80000 Amiens, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luc","family":"Vandromme","sequence":"additional","affiliation":[{"name":"CHIMERE UR 7516, Jules Verne University of Picardy, 80000 Amiens, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6028-6440","authenticated-orcid":false,"given":"Olivier","family":"Bal\u00e9dent","sequence":"additional","affiliation":[{"name":"CHIMERE UR 7516, Jules Verne University of Picardy, 80000 Amiens, France"},{"name":"Medical Image Processing Department, Amiens Picardy University Medical Center, 80000 Amiens, France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,7,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"13","DOI":"10.1016\/j.rasd.2016.11.010","article-title":"The effect of emotional intensity on responses to joint attention in preschoolers with an autism spectrum disorder","volume":"35","author":"Franchini","year":"2017","journal-title":"Res. 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