Cited by 875Neurogenesis and neuroplasticity mechanismsMemory and Neural MechanismsNeuroscience and Neuropharmacology Research

Preferential incorporation of adult-generated granule cells into spatial memory networks in the dentate gyrus

Kee, Nohjin, Teixeira, Cátia M, Wang, Afra H, Frankland, Paul W·2007·Nature Neuroscience

Abstract

Throughout adulthood, new neurons are continuously added to the dentate gyrus, a hippocampal subregion that is important in spatial learning. Whether these adult-generated granule cells become functionally integrated into memory networks is not known. We used immunohistochemical approaches to visualize the recruitment of new neurons into circuits supporting water maze memory in intact mice. We show that as new granule cells mature, they are increasingly likely to be incorporated into circuits supporting spatial memory. By the time the cells are 4 or more weeks of age, they are more likely than existing granule cells to be recruited into circuits supporting spatial memory. This preferential recruitment supports the idea that new neurons make a unique contribution to memory processing in the dentate gyrus.

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Crossref · 10.1038/nn1847

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  • Such alterations promote an increased participation of these cells during learning and memory tasks and a reconfiguration of DG-CA3 circuits that degrade stored memories.

    “Consequently, such alterations promote an increased participation of these cells during learning and memory tasks35 and a reconfiguration of DG-CA3 circuits that degrade stored memories.36”

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Authors
Kee, N., Teixeira, C. M., Wang, A. H., & Frankland, P. W.
Affiliations
  • Hospital for Sick Children (CA)
  • Universidade do Porto (PT)
  • University of Toronto (CA)
Corresponding author
Frankland, Paul W
Venue
Nature Neuroscience
Published
2007-02-04
Volume
10
Issue
3
Pages
355-362
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2160071886
Cited by
875
References
50
Citations by year
2026: 8 · 2025: 24 · 2024: 19 · 2023: 16 · 2022: 17 · 2021: 35 · 2020: 39 · 2019: 35 · 2018: 48 · 2017: 41 · 2016: 46 · 2015: 56 · 2014: 56 · 2013: 58 · 2012: 69
FWCI
21.53
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
adult neurogenesis, dentate gyrus, granule cells, spatial memory, hippocampus, water maze, neuronal maturation, new neurons
MeSH terms
Age Factors, Animals, Behavior, Animal, Bromodeoxyuridine, Cell Count, Immunohistochemistry, Male, Memory, Mice, Inbred C57BL, Mice, Transgenic, Nerve Net, Neurons, Phosphopyruvate Hydratase, Space Perception, Time Factors, Oncogene Proteins v-fos, Calcium-Calmodulin-Dependent Protein Kinases, Maze Learning, Dentate Gyrus, Mice, Calcium-Calmodulin-Dependent Protein Kinase Type 2

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