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We conducted an fMRI (functional magnetic resonance imaging) study on the effects of time on autobiographical memory retrieval. Twenty healthy participants were cued by a selection of photographs that represented distinct episodic memories from 1, 2, 6, and 14\u2009years prior to scanning. Our behavioural data of self\u2010report measures of memory qualia suggests a loss of episodic content over time. GLM (general linear model) results demonstrate that across all time points, visual association cortices and mesial temporal lobes were activated. However, we did not observe any GLM differences between memory time points. We used SVM (support vector machine) in order to predict memory time point based on neural activation patterns. We were able to accurately predict classification accuracy for the 1\u2010year (66.7%), 2\u2010year (66.7%), and 14\u2010year (33.4%) memory time points, with an overall classification accuracy of 55.6%. We suggest that our findings can be interpreted in light of cortical semantization; as memories age, they become more semanticized and shift in representation towards cortical structures.<\/jats:p>","DOI":"10.1111\/ejn.15652","type":"journal-article","created":{"date-parts":[[2022,3,18]],"date-time":"2022-03-18T22:23:55Z","timestamp":1647642235000},"page":"1798-1809","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Cortical semantization of autobiographical memory over subjective chronological time: An fMRI study"],"prefix":"10.1111","volume":"55","author":[{"given":"Kellie","family":"McWilliams","sequence":"first","affiliation":[{"name":"Department of Psychology Drexel University  Philadelphia Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4027-8042","authenticated-orcid":false,"given":"Alexander","family":"Kaplan","sequence":"additional","affiliation":[{"name":"Department of Psychology Drexel University  Philadelphia Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ellen","family":"Eline","sequence":"additional","affiliation":[{"name":"Department of Psychology Drexel University  Philadelphia Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Isabelle","family":"Kaminer","sequence":"additional","affiliation":[{"name":"Department of Psychology Drexel University  Philadelphia Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shauna","family":"Zodrow","sequence":"additional","affiliation":[{"name":"Department of Psychology Drexel University  Philadelphia Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3857-2701","authenticated-orcid":false,"given":"Julie","family":"Petersen","sequence":"additional","affiliation":[{"name":"Department of Psychology Drexel University  Philadelphia Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. 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