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Lingering representations of stimuli influence recall organization
Open accessAbstract
Several prominent theories posit that information about recent experiences lingers in the brain and organizes memories for current experiences, by forming a temporal context that is linked to those memories at encoding. According to these theories, if the thoughts preceding an experience X resemble the thoughts preceding an experience Y, then X and Y should show an elevated probability of being recalled together. We tested this prediction by using multi-voxel pattern analysis (MVPA) of fMRI data to measure neural evidence for lingering processing of preceding stimuli. As predicted, memories encoded with similar lingering thoughts about the category of preceding stimuli were more likely to be recalled together. Our results demonstrate that the "fading embers" of previous stimuli help to organize recall, confirming a key prediction of computational models of episodic memory.
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In the citing paper
“Neural evidence for drifting context comes from the finding that lingering brain activity patterns of recent stimuli predicted whether past and present stimuli are later recalled together”
From Predictive Representations: Building Blocks of Intelligence (2024) · cites this paper as Chan et al., 2017
Experimental — accuracy not yet measuredIn the citing paper
“When neural activity associated with the previous item’s category (celebrity, location, or object) persisted into the current item’s encoding period, this led to items being clustered at recall according to the previous item’s category (as would be expected if this slowly-drifting category activity served to contextualize the current item’s memory trace).”
From Does mental context drift or shift? (2017) · cites this paper as [22]
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“Having said this, it is important to note that drifting and shifting contexts may exist simultaneously in the brain; there are likely to be some contextual representations that drift passively over time and persist across event boundaries [22,56] and other contextual representations that are more sensitive to the inferred situation and thus more likely to shift suddenly.”
From Does mental context drift or shift? (2017) · cites this paper as [22]
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References 31 · Cited by 28
Metadata
- Authors
- Chan, S. C. Y., Applegate, M. C., Morton, N. W., Polyn, S. M., & Norman, K. A.
- Affiliations
- Princeton University (US)
- The University of Texas at Austin (US)
- Vanderbilt University (US)
- Corresponding author
- Chan, Stephanie C.Y.
- Venue
- Neuropsychologia
- Publisher
- Elsevier BV
- Published
- 2017-03
- Volume
- 97
- Pages
- 72-82
- ISSN
- 0028-3932 (ISSN-L)
- PMC
- PMC5354630
- OpenAlex
- W2581566487
- Cited by
- 28
- References
- 31
- Citations by year
- 2026: 3 · 2025: 1 · 2024: 7 · 2023: 3 · 2022: 2 · 2021: 2 · 2020: 1 · 2018: 2 · 2017: 6
- FWCI
- 1.41
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- www.elsevier.com/tdm/userlicense/1.0/ (tdm)
- www.elsevier.com/legal/tdmrep-license (tdm)
- www.elsevier.com/open-access/userlicense/1.0/ (am, 348 d)
- doi.org/10.15223/policy-017 (stm-asf)
- doi.org/10.15223/policy-037 (stm-asf)
- doi.org/10.15223/policy-012 (stm-asf)
- doi.org/10.15223/policy-029 (stm-asf)
- doi.org/10.15223/policy-004 (stm-asf)
- Locations
- Neuropsychologia (acceptedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institutes of Health (2T32MH065214)
- 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, temporal context, multi-voxel pattern analysis, memory encoding
- MeSH terms
- Adolescent, Adult, Brain, Brain Mapping, Female, Humans, Magnetic Resonance Imaging, Male, Pattern Recognition, Automated, Mental Recall, Young Adult, Memory, Episodic
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