PMID- 32420867 OWN - NLM STAT- MEDLINE DCOM- 20210317 LR - 20210317 IS - 2050-084X (Electronic) IS - 2050-084X (Linking) VI - 9 DP - 2020 May 18 TI - Retrieval practice facilitates memory updating by enhancing and differentiating medial prefrontal cortex representations. LID - 10.7554/eLife.57023 [doi] LID - e57023 AB - Updating old memories with new, more current information is critical for human survival, yet the neural mechanisms for memory updating in general and the effect of retrieval practice in particular are poorly understood. Using a three-day A-B/A-C memory updating paradigm, we found that compared to restudy, retrieval practice could strengthen new A-C memories and reduce old A-B memory intrusion, but did not suppress A-B memories. Neural activation pattern analysis revealed that compared to restudy, retrieval practice led to stronger target representation in the medial prefrontal cortex (MPFC) during the final test. Critically, it was only under the retrieval practice condition that the MPFC showed strong and comparable competitor evidence for both correct and incorrect trials during final test, and that the MPFC target representation during updating was predictive of subsequent memory. These results suggest that retrieval practice is able to facilitate memory updating by strongly engaging MPFC mechanisms in memory integration, differentiation and consolidation. CI - (c) 2020, Ye et al. FAU - Ye, Zhifang AU - Ye Z AUID- ORCID: 0000-0003-0489-2619 AD - State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute of Brain Research, Beijing Normal University, Beijing, China. FAU - Shi, Liang AU - Shi L AD - State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute of Brain Research, Beijing Normal University, Beijing, China. FAU - Li, Anqi AU - Li A AD - State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute of Brain Research, Beijing Normal University, Beijing, China. FAU - Chen, Chuansheng AU - Chen C AD - Department of Psychological Science, University of California, Irvine, Irvine, United States. FAU - Xue, Gui AU - Xue G AUID- ORCID: 0000-0001-7891-8151 AD - State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute of Brain Research, Beijing Normal University, Beijing, China. LA - eng GR - 31730038/National Science Foundation of China/International GR - 31861143040/The NSFC and the Israel Science Foundation joint project/International GR - 61621136008/National Science Foundation of China/International GR - TRR-169/German Research Foundation/International GR - 2016ZT06S220/Guangdong Pearl River Talents Plan Innovative and Entrepreneurial Team grant/International GR - 31861143040/The NSFC and the Israel Science Foundation (ISF) joint project/International PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20200518 PL - England TA - Elife JT - eLife JID - 101579614 SB - IM MH - Adolescent MH - Adult MH - Association Learning/physiology MH - Female MH - Hippocampus/*physiology MH - Humans MH - Male MH - Memory Consolidation/*physiology MH - Mental Recall/*physiology MH - Prefrontal Cortex/*physiology MH - Young Adult PMC - PMC7272192 OTO - NOTNLM OT - human OT - memory reactivation OT - memory updating OT - neuroscience OT - retrieval practice effect COIS- ZY, LS, AL, CC, GX No competing interests declared EDAT- 2020/05/19 06:00 MHDA- 2021/03/18 06:00 PMCR- 2020/05/18 CRDT- 2020/05/19 06:00 PHST- 2020/03/18 00:00 [received] PHST- 2020/05/18 00:00 [accepted] PHST- 2020/05/19 06:00 [pubmed] PHST- 2021/03/18 06:00 [medline] PHST- 2020/05/19 06:00 [entrez] PHST- 2020/05/18 00:00 [pmc-release] AID - 57023 [pii] AID - 10.7554/eLife.57023 [doi] PST - epublish SO - Elife. 2020 May 18;9:e57023. doi: 10.7554/eLife.57023.