Cited by 46Memory and Neural MechanismsMemory Processes and InfluencesNeurotransmitter Receptor Influence on Behavior

Dopamine D1 receptor activity modulates object recognition memory consolidation in the perirhinal cortex but not in the hippocampus

Balderas, Israela, Moreno‐Castilla, Perla, Bermudez‐Rattoni, Federico·2013·Hippocampus

Abstract

It has been proposed that distributed neuronal networks in the medial temporal lobe process different characteristics of a recognition event; the hippocampus has been associated with contextual recollection while the perirhinal cortex has been linked with familiarity. Here we show that D1 dopamine receptor activity in these two structures participates differentially in object recognition memory consolidation. The D1 receptor antagonist SCH23390 was infused bilaterally 15 min before a 5 min sample phase in either rats' perirhinal cortex or dorsal hippocampus, and they were tested 90 min for short-term memory or 24 h later for long-term memory. SCH23390 impaired long-term memory when infused in the perirhinal cortex but not when infused in the hippocampus. Conversely, when the D1 receptor agonist SKF38393 was infused 10 min before a 3 min sample phase in the perirhinal cortex, long-term memory was enhanced, however, this was not observed when the D1 agonist was infused in the hippocampus. Short-term memory was spared when SCH23390 or SKF38393 were infused in the perirhinal cortex or the dorsal hippocampus suggesting that acquisition was unaffected. These results suggest that dopaminergic transmission in these medial temporal lobe structures have a differential involvement in object recognition memory consolidation.

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Crossref · 10.1002/hipo.22143

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Authors
Balderas, I., Moreno‐Castilla, P., & Bermudez‐Rattoni, F.
Affiliations
  • Universidad Nacional Autónoma de México (MX)
  • División de Neurociencias, Instituto de Fisiología Celular Universidad Nacional Autónoma de México Apartado Postal 70‐253 04510 México D.F México
Venue
Hippocampus
Publisher
Wiley
Published
2013-06-11
Volume
23
Issue
10
Pages
873-878
ISSN
  • 1050-9631 (ISSN-L)
  • 1098-1063
OpenAlex
W1595570512
Cited by
46
References
28
Citations by year
2024: 4 · 2023: 2 · 2022: 5 · 2021: 4 · 2020: 4 · 2019: 1 · 2018: 3 · 2017: 5 · 2016: 2 · 2015: 6 · 2014: 7 · 2013: 3
FWCI
3.28
Type
journal article
Language
en
Open access
closed
Locations
  • Hippocampus (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 › Neurotransmitter Receptor Influence on Behavior
Keywords
dopamine D1 receptor, object recognition memory, memory consolidation, perirhinal cortex, dorsal hippocampus, medial temporal lobe, familiarity, short-term memory, long-term memory, dopamine signaling, SCH 23390, SKF 38393
MeSH terms
Animals, Benzazepines, Hippocampus, Male, Memory, Short-Term, Temporal Lobe, 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine, Rats, Wistar, Receptors, Dopamine D1, Recognition, Psychology, Rats, Memory, Long-Term

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