Cited by 226Memory and Neural MechanismsMemory Processes and InfluencesCognitive Functions and Memory

Temporal binding within and across events

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DuBrow, Sarah, Davachi, Lila·2016·Neurobiology of Learning and Memory

Abstract

Remembering the order in which events occur is a fundamental component of episodic memory. However, the neural mechanisms supporting serial recall remain unclear. Behaviorally, serial recall is greater for information encountered within the same event compared to across event boundaries, raising the possibility that contextual stability may modulate the cognitive and neural processes supporting serial encoding. In the present study, we used fMRI during the encoding of consecutive face and object stimuli to elucidate the neural encoding signatures supporting subsequent serial recall behavior both within and across events. We found that univariate BOLD activation in both the middle hippocampus and left ventrolateral prefrontal cortex (PFC) was associated with subsequent serial recall of items that occur across event boundaries. By contrast, successful serial encoding within events was associated with increased functional connectivity between the hippocampus and ventromedial PFC, but not with univariate activation in these or other regions. These findings build on evidence implicating hippocampal and PFC processes in encoding temporal aspects of memory. They further suggest that these encoding processes are influenced by whether binding occurs within a stable context or bridges two adjacent but distinct events.

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Crossref · 10.1016/j.nlm.2016.07.011

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  • Hippocampal encoding activity occurs at subtle transitions between events, where events are defined by pattern shifts in high-level cortical regions.

    “We demonstrated that the hippocampal encoding activity previously shown to be present at the end of movie clips (Ben-Yakov & Dudai, 2011; Ben-Yakov et al., 2013) and at abrupt switches between stimulus category and task (DuBrow & Davachi, 2016) also occurs at the much more subtle transitions between events (defined by pattern shifts in high-level regions)”

    From Discovering Event Structure in Continuous Narrative Perception and Memory (2017) · cites this paper as DuBrow & Davachi, 2016

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  • If sensory input changes suddenly while the task goal stays fixed, hippocampus and lateral prefrontal cortex may link information across that change, possibly by holding internal context steady.

    “When sensory cues change abruptly but the goal stays the same, the hippocampus and lateral prefrontal cortex may help bind information that spans the change [56], perhaps by maintaining a stable internal context [57].”

    From Does mental context drift or shift? (2017) · cites this paper as [56]

  • Both gradual and abrupt context changes might operate at once: certain context codes could change slowly and survive boundaries, whereas others track the inferred situation and can switch quickly.

    “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 [56]

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Authors
DuBrow, S., & Davachi, L.
Affiliations
New York University (US)
Corresponding author
Davachi, Lila
Venue
Neurobiology of Learning and Memory
Publisher
Elsevier BV
Published
2016-10
Volume
134
Pages
107-114
ISSN
1074-7427 (ISSN-L)
OpenAlex
W2460132525
Cited by
226
References
65
Citations by year
2026: 21 · 2025: 21 · 2024: 32 · 2023: 27 · 2022: 23 · 2021: 17 · 2020: 18 · 2019: 38 · 2018: 8 · 2017: 18 · 2016: 1
FWCI
13.79
Type
journal article
Language
en
Open access
Locations
  • Neurobiology of Learning and Memory (acceptedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Mental Health (RO1 - MH074692)
  • National Science Foundation (DGE – 0813964)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Functions and Memory
Keywords
temporal binding, serial recall, episodic memory, event boundaries, hippocampus, ventrolateral prefrontal cortex, ventromedial prefrontal cortex, functional connectivity, temporal order memory
MeSH terms
Adolescent, Adult, Female, Hippocampus, Humans, Magnetic Resonance Imaging, Male, Mental Recall, Time Factors, Prefrontal Cortex, Young Adult, Memory, Episodic, Connectome

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