Episodic memory processes mediated by the medial temporal lobes contribute to open-ended problem solving
Abstract
The present study investigated the contribution of episodic memory processes mediated by the medial temporal lobes to solving open-ended problems: problems for which standard solutions or set procedures for arriving at solutions do not exist. Patients with unilateral temporal lobe epilepsy and excisions (TLE), older adults and control participants were asked to describe detailed solutions to various open-ended, social scenarios. TLE patients and older adults, both having deficits in episodic memory, provided fewer steps relevant to the given solution than their comparison group. Segmenting the descriptions into details using the methods of the Autobiographical Interview, we also found that patients with TLE and older adults provided fewer internal (episodic) details but a similar number of external (semantic) details compared to their control group. These findings are the first to demonstrate that processes underlying episodic memory, in particular those enabling the retrieval of experiential detail and episodic simulation may contribute to open-ended problem solving. Given that we examined groups with medial temporal lobe lesions and known episodic memory dysfunction, these results further suggest that the negative consequences of episodic memory loss resulting from damage to or deterioration of the medial temporal lobes extend beyond that of memory to include other domains, such as problem solving.
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An association has been found between deficits in episodic memory functioning and inability to generate relevant details in an open-ended problem solving task.
“An association has been found between having deficits in episodic memory functioning and being unable to generate relevant details in an open-ended problem solving task [85].”
From Episodic Memory in AI Agents Poses Risks that Should be Studied and Mitigated (2025) · cites this paper as [85]
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“An association has been found between having deficits in episodic memory functioning and being unable to generate relevant details in an open-ended problem solving task [85].”
- Authors
- Sheldon, S., McAndrews, M. P., & Moscovitch, M.
- Affiliations
- University of Toronto (CA)
- University Health Network (CA)
- Corresponding author
- Sheldon, Signy
- Venue
- Neuropsychologia
- Publisher
- Elsevier BV
- Published
- 2011-07
- Volume
- 49
- Issue
- 9
- Pages
- 2439-2447
- ISSN
- 0028-3932 (ISSN-L)
- OpenAlex
- W2070573425
- Cited by
- 161
- References
- 8
- Citations by year
- 2026: 6 · 2025: 3 · 2024: 12 · 2023: 10 · 2022: 5 · 2021: 13 · 2020: 10 · 2019: 15 · 2018: 15 · 2017: 13 · 2016: 17 · 2015: 13 · 2014: 7 · 2013: 11 · 2012: 11
- FWCI
- 4.71
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Neuropsychologia (publishedVersion)
- PubMed (publishedVersion)
- 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, medial temporal lobe, open-ended problem solving, temporal lobe epilepsy, autobiographical memory, episodic simulation, semantic memory, older adults, memory impairment, social problem solving
- MeSH terms
- Adult, Aging, Epilepsy, Temporal Lobe, Female, Humans, Imagination, Male, Memory Disorders, Middle Aged, Problem Solving, Reference Values, Temporal Lobe, Case-Control Studies, Matched-Pair Analysis, Young Adult, Memory, Episodic
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