The Emergence of Knowledge and How it Supports the Memory for Novel Related Information - PubMed (original) (raw)
. 2017 Mar 1;27(3):1906-1921.
doi: 10.1093/cercor/bhw031.
Affiliations
- PMID: 26908636
- DOI: 10.1093/cercor/bhw031
The Emergence of Knowledge and How it Supports the Memory for Novel Related Information
Tobias Sommer. Cereb Cortex. 2017.
Abstract
Current theories suggest that memories for novel information and events, over time and with repeated retrieval, lose the association to their initial learning context. They are consolidated into a more stable form and transformed into semantic knowledge, that is, semanticized. Novel, related information can then be rapidly integrated into such knowledge, leading to superior memory. We tested these hypotheses in a longitudinal, 302-day, human functional magnetic resonance imaging study in which participants first overlearned and consolidated associative structures. This phase was associated with a shift from hippocampal- to ventrolateral prefrontal cortex (vlPFC)-mediated retrieval, consistent with semanticization. Next, participants encoded novel, related information whose encoding into the already acquired knowledge was orchestrated by the ventromedial prefrontal cortex. Novel related information exhibited reduced forgetting compared with novel control information, which corresponded to a faster shift from hippocampal- to vlPFC-mediated retrieval. In sum, the current results suggest that memory for novel information can be enhanced by anchoring it to prior knowledge via acceleration of the processes observed during semanticization.
Keywords: consolidation; prior knowledge effect; schema effect; semanticization.
© The Author 2016. Published by Oxford University Press. All rights reserved. For Permissions, please e-mail: journals.permissions@oup.com.
Similar articles
- Stress affects the neural ensemble for integrating new information and prior knowledge.
Vogel S, Kluen LM, Fernández G, Schwabe L. Vogel S, et al. Neuroimage. 2018 Jun;173:176-187. doi: 10.1016/j.neuroimage.2018.02.038. Epub 2018 Feb 21. Neuroimage. 2018. PMID: 29476913 Clinical Trial. - Not all declarative memories are created equal: Fast Mapping as a direct route to cortical declarative representations.
Merhav M, Karni A, Gilboa A. Merhav M, et al. Neuroimage. 2015 Aug 15;117:80-92. doi: 10.1016/j.neuroimage.2015.05.027. Epub 2015 May 16. Neuroimage. 2015. PMID: 25988227 - What's the gist? The influence of schemas on the neural correlates underlying true and false memories.
Webb CE, Turney IC, Dennis NA. Webb CE, et al. Neuropsychologia. 2016 Dec;93(Pt A):61-75. doi: 10.1016/j.neuropsychologia.2016.09.023. Epub 2016 Sep 30. Neuropsychologia. 2016. PMID: 27697593 Free PMC article. - Neural activity that predicts subsequent memory and forgetting: a meta-analysis of 74 fMRI studies.
Kim H. Kim H. Neuroimage. 2011 Feb 1;54(3):2446-61. doi: 10.1016/j.neuroimage.2010.09.045. Epub 2010 Sep 30. Neuroimage. 2011. PMID: 20869446 Review. - Naïve to expert: Considering the role of previous knowledge in memory.
Alonso A, van der Meij J, Tse D, Genzel L. Alonso A, et al. Brain Neurosci Adv. 2020 Aug 31;4:2398212820948686. doi: 10.1177/2398212820948686. eCollection 2020 Jan-Dec. Brain Neurosci Adv. 2020. PMID: 32954007 Free PMC article. Review.
Cited by
- Processing of social closeness in the human brain.
Roseman-Shalem M, Dunbar RIM, Arzy S. Roseman-Shalem M, et al. Commun Biol. 2024 Oct 10;7(1):1293. doi: 10.1038/s42003-024-06934-8. Commun Biol. 2024. PMID: 39390210 Free PMC article. - Time-dependent memory transformation in hippocampus and neocortex is semantic in nature.
Krenz V, Alink A, Sommer T, Roozendaal B, Schwabe L. Krenz V, et al. Nat Commun. 2023 Sep 27;14(1):6037. doi: 10.1038/s41467-023-41648-1. Nat Commun. 2023. PMID: 37758725 Free PMC article. - Effects of prior knowledge on brain activation and functional connectivity during memory retrieval.
Guo D, Chen H, Wang L, Yang J. Guo D, et al. Sci Rep. 2023 Aug 22;13(1):13650. doi: 10.1038/s41598-023-40966-0. Sci Rep. 2023. PMID: 37608065 Free PMC article. - Effects of schema on the relationship between post-encoding brain connectivity and subsequent durable memory.
Guo D, Chen G, Yang J. Guo D, et al. Sci Rep. 2023 May 30;13(1):8736. doi: 10.1038/s41598-023-34822-4. Sci Rep. 2023. PMID: 37253795 Free PMC article. - Structured memory representations develop at multiple time scales in hippocampal-cortical networks.
Tambini A, Miller J, Ehlert L, Kiyonaga A, D'Esposito M. Tambini A, et al. bioRxiv [Preprint]. 2023 Apr 7:2023.04.06.535935. doi: 10.1101/2023.04.06.535935. bioRxiv. 2023. PMID: 37066263 Free PMC article. Preprint.
MeSH terms
LinkOut - more resources
Full Text Sources
Other Literature Sources
Medical