What does the functional organization of cortico-hippocampal networks tell us about the functional organization of memory?
Open accessAbstract
Historically, research on the cognitive processes that support human memory proceeded, to a large extent, independently of research on the neural basis of memory. Accumulating evidence from neuroimaging, however, has enabled the field to develop a broader and more integrative perspective. Here, we briefly outline how advances in cognitive neuroscience can potentially shed light on concepts and controversies in human memory research. We argue that research on the functional properties of cortico-hippocampal networks informs us about how memories might be organized in the brain, which, in turn, helps to reconcile seemingly disparate perspectives in cognitive psychology. Finally, we discuss several open questions and directions for future research.
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In young adults, perception of the childhood odorant leads to increased functional connectivity in the memory system, including dorsal hippocampus, prefrontal cortex, orbitofrontal cortex, and olfactory bulb.
“the perception of the childhood odorant leads to an increased connectivity in the memory system, notably structures typically involved in autobiographical memory—the dorsal hippocampus, the prefrontal cortex—and olfactory memory—the orbitofrontal cortex and the olfactory bulb—both in humans and rodents [9,43,44].”
From Positive early-life olfactory memory is rooted in the olfactory bulb and triggers large-scale changes beyond the olfactory system (2026) · cites this paper as [43]
The Autobiographical Memory section reports correlations between the anterior hippocampus and medial prefrontal cortex during autobiographical retrieval (page unavailable). It does not report that perceiving a childhood odorant increases connectivity, nor does it establish the claimed involvement of the dorsal hippocampus, orbitofrontal cortex, or olfactory bulb in that response. (LLM, conf=0.82)
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References 164 · Cited by 83
Research works printed but not linked: 1
- [108]Radvansky GA, Zacks JM (2014). Event cognition Oxford University Press.
- Authors
- Reagh, Z. M., & Ranganath, C.
- Affiliations
- University of California, Davis (US)
- Corresponding author
- Reagh, Zachariah M.
- ORCID
- Reagh, Zachariah M.
- Venue
- Neuroscience Letters
- Publisher
- Elsevier BV
- Published
- 2018-07
- Volume
- 680
- Pages
- 69-76
- ISSN
- 0304-3940 (ISSN-L)
- PMC
- PMC6467646
- OpenAlex
- W2799324572
- Cited by
- 83
- References
- 164
- Citations by year
- 2026: 7 · 2025: 8 · 2024: 10 · 2023: 12 · 2022: 9 · 2021: 9 · 2020: 12 · 2019: 10 · 2018: 5 · 2017: 1
- FWCI
- 1.21
- 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, 398 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
- Neuroscience Letters (acceptedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- eScholarship (California Digital Library) (submittedVersion)
- Funders
- Vannevar Bush Faculty Fellowship
- Office of Naval Research (T32 AG 50061-2, N00014-15-1-0033)
- 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
- memory organization, neural basis of memory, cognitive psychology, hippocampus
- MeSH terms
- Hippocampus, Humans, Nerve Net, Mental Recall, Neocortex, Recognition, Psychology, Memory, Episodic
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