Cited by 81Memory and Neural MechanismsMemory Processes and InfluencesNeuroscience and Neuropharmacology Research

Brain networks activated to form object recognition memory

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Tanimizu, Toshiyuki, Kono, Kyohei, Kida, Satoshi·2018·Brain Research Bulletin

Abstract

Object recognition memory allows discrimination of familiar and novel objects. Previous studies have shown the importance of several brain regions for object recognition memories; however, the mechanisms underlying the consolidation of object recognition (OR) memory at the anatomic level remain unknown. Here, we analyzed the brain network for the generation of OR memory in mice by measuring the expression of the immediate-early gene c-fos. We found that c-fos expression was induced in the hippocampus (CA1 and CA3 regions), insular cortex (IC), perirhinal cortex (PRh), and medial prefrontal cortex (mPFC) when OR memory was generated, suggesting that gene expression in these brain regions contributes to the formation of OR memory. Consistently, inhibition of protein synthesis in the mPFC blocked the formation of long-term OR memory. Importantly, network analyses suggested that the hippocampus, IC, PRh and mPFC show increased connectivity with other brain regions when OR memory is formed. Thus, we suggest that a brain network composed of the hippocampus, IC, PRh, and mPFC is required for the generation of OR memory by connecting with other brain regions.

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Authors
Tanimizu, T., Kono, K., & Kida, S.
Affiliations
Tokyo University of Agriculture (JP)
Corresponding author
Kida, Satoshi
Venue
Brain Research Bulletin
Publisher
Elsevier BV
Published
2018-07
Volume
141
Pages
27-34
ISSN
0361-9230 (ISSN-L)
OpenAlex
W2620787577
Cited by
81
References
39
Citations by year
2026: 4 · 2025: 6 · 2024: 9 · 2023: 11 · 2022: 10 · 2021: 11 · 2020: 7 · 2019: 10 · 2018: 10 · 2017: 3
FWCI
4.71
Type
journal article
Language
en
Open access
Locations
  • Brain Research Bulletin (acceptedVersion)
  • PubMed (publishedVersion)
Funders
  • Grant-in-Aids for Scientific Research (15H02488)
  • Scientific Research (23300120, 20380078)
  • Challenging Exploratory Research (24650172, 26640014)
  • Grant-in-Aids for Scientific Research on Priority Areas − Molecular Brain Science (18022038, 22022039)
  • Grant-in-Aid for Scientific Research on Innovative Areas (24116008, 24116001, 23115716, 17H05961, 17H05581)
  • Core Research for Evolutional Science and Technology (CREST), Japan
  • The Science Research Promotion Fund
  • The Promotion and Mutual Aid Corporation for Private Schools of Japan
  • The Sumitomo Foundation
  • The Naito Foundation
  • The Uehara Memorial Foundation
  • Takeda Science Foundation, Japan
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
object recognition memory, memory consolidation, Fos expression, hippocampus, insula, perirhinal cortex, medial prefrontal cortex, protein synthesis inhibition, long-term memory formation, brain network connectivity, mice
MeSH terms
Memory Consolidation, Animals, Brain, Computer Simulation, Immunohistochemistry, Male, Mice, Inbred C57BL, Neural Pathways, Neurons, Gene Expression, Proto-Oncogene Proteins c-fos, Recognition, Psychology

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