Cited by 59Memory and Neural MechanismsMemory Processes and InfluencesNeuroscience and Neuropharmacology Research

Processing of spatial and non-spatial information reveals functional homogeneity along the dorso-ventral axis of CA3, but not CA1

Beer, Zachery, Chwiesko, Caroline, Sauvage, Magdalena M.·2014·Neurobiology of Learning and Memory

Abstract

The ventral hippocampus is thought to principally contribute to emotional memory, while its dorsal part would be more involved in spatial processes. However, few studies have investigated ventral hippocampal function in spatial or non-spatial memories devoid of strong emotional components, and conflicting results have emerged regarding the role of the dorsal hippocampus in non-spatial (object) recognition memory. Moreover, even fewer reports have dissociated the contribution of the hippocampal subfields CA1 and CA3 to those processes, despite growing evidence of a functional segregation between these subfields. In a recent study, we detected the immediate-early gene Arc, used as a marker of neuronal activity, during spontaneous spatial and non-spatial recognition memory tasks, and showed that dorsal CA3 was spatially tuned while dorsal CA1 processed spatial and non-spatial information to the same extent (Beer, Chwiesko, Kitsukawa, & Sauvage, 2013). Here, we analyze the pattern of Arc expression detected in ventral CA1 and CA3 to determine their role in spatial or non-spatial recognition memory, and investigate whether ventral CA1 and CA3 activation differs from that of their dorsal counterparts. We report that ventral CA1 and CA3 are recruited for both spatial and non-spatial memories, but more strongly for spatial memory (e.g. were spatially tuned), and that CA3 is functionally homogeneous along the dorso-ventral axis, but not CA1.

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Crossref · 10.1016/j.nlm.2014.03.001

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Authors
Beer, Z., Chwiesko, C., & Sauvage, M. M.
Affiliations
Ruhr University Bochum (DE)
Corresponding author
Sauvage, Magdalena M.
Venue
Neurobiology of Learning and Memory
Publisher
Elsevier BV
Published
2014-05
Volume
111
Pages
56-64
ISSN
1074-7427 (ISSN-L)
OpenAlex
W1996738274
Cited by
59
References
54
Citations by year
2026: 4 · 2025: 3 · 2024: 3 · 2023: 6 · 2022: 4 · 2021: 6 · 2020: 4 · 2019: 8 · 2018: 8 · 2017: 3 · 2016: 2 · 2015: 5 · 2014: 3
FWCI
2.42
Type
journal article
Language
en
Open access
closed
Locations
  • Neurobiology of Learning and Memory (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
hippocampal CA1, hippocampal CA3, dorsal-ventral axis, spatial memory, object recognition memory, non-spatial memory, Arc expression, immediate early genes, ventral hippocampus, dorsal hippocampus, functional segregation
MeSH terms
Animals, Cytoskeletal Proteins, Male, Mice, Inbred C57BL, Nerve Tissue Proteins, Recognition, Psychology, CA1 Region, Hippocampal, CA3 Region, Hippocampal, Spatial Memory

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