Cited by 53Memory Processes and InfluencesMemory and Neural MechanismsCognitive Functions and Memory

Schematic memories develop quickly, but are not expressed unless necessary

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Tompary, Alexa, Zhou, WenXi, Davachi, Lila·2020·Scientific Reports

Abstract

Episodic memory retrieval is increasingly influenced by schematic information as memories mature, but it is unclear whether this is due to the slow formation of schemas over time, or the slow forgetting of the episodes. To address this, we separately probed memory for newly learned schemas as well as their influence on episodic memory decisions. In this experiment, participants encoded images from two categories, with the location of images in each category drawn from a different spatial distribution. They could thus learn schemas of category locations by encoding specific episodes. We found that images that were more consistent with these distributions were more precisely retrieved, and this schematic influence increased over time. However, memory for the schema distribution, measured using generalization to novel images, also became less precise over time. This incongruity suggests that schemas form rapidly, but their influence on episodic retrieval is dictated by the need to bolster fading memory representations.

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  • Adults' generalization relied on remembering specific item-context representations.

    “Adults’ generalization relied on remembering specific item-context representations, consistent with the notion that rapid generalization relies on retrieving specific instances 7,8, and that there was no generalization-specificity trade off 28,29”

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Authors
Tompary, A., Zhou, W., & Davachi, L.
Affiliations
  • University of Pennsylvania (US)
  • New York University (US)
  • Nathan Kline Institute for Psychiatric Research (US)
Corresponding author
Tompary, Alexa
Venue
Scientific Reports
Published
2020-10-12
Volume
10
Issue
1
Pages
16968-16968
ISSN
2045-2322 (ISSN-L)
OpenAlex
W3092562086
Cited by
53
References
70
Citations by year
2026: 2 · 2025: 8 · 2024: 6 · 2023: 12 · 2022: 15 · 2021: 8 · 2020: 2
FWCI
4.97
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • OSF Preprints (OSF Preprints) (submittedVersion)
  • PsyArXiv (OSF Preprints) (submittedVersion, cc-by)
  • PsyArXiv (OSF Preprints) (submittedVersion)
Funders
National Institutes of Health (5R01MH074692-12)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Functions and Memory
Keywords
episodic memory retrieval, schema formation, memory generalization, memory precision, forgetting
MeSH terms
Adolescent, Adult, Female, Generalization, Psychological, Humans, Male, Photic Stimulation, Mental Recall, Time Factors, Recognition, Psychology, Young Adult, Memory, Episodic

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