Cited by 17Memory and Neural MechanismsMemory Processes and InfluencesCognitive Functions and Memory

Time decay of object, place and temporal order memory in a paradigm assessing simultaneously episodic-like memory components in mice

Belblidia, Hassina, Abdelouadoud, Abdelmalek, Jozet-Alves, Christelle, Dumas, Hélène, Freret, Thomas, Leger, Marianne, Schumann-Bard, Pascale·2015·Behavioural Brain Research

Abstract

A common trait of numerous memory disorders is the impairment of episodic memory. Episodic memory is a delay-dependant memory, especially associating three components, the "what", "where" and "when" of a unique event. To investigate underlying mechanisms of such memory, several tests, mainly based on object exploration behaviour, have been set up in rodents. Recently, a three-trial object recognition task has been proposed to evaluate simultaneously the different components of episodic-like memory in rodents. However, to date, the time course of each memory component in this paradigm is not known. We characterised here the time course of memory decay in adult mice during the three-trial object recognition task, with inter-trial interval (ITI) ranging from 1h to 4h. We found that, with 1h and 2h, but not 4h ITI, mice spent more time to explore the displaced "old object" relative to the displaced "recent object", reflecting memory for "what and when". Concomitantly, animals exhibited more exploration time for the displaced "old object" relative to the stationary "old object", reflecting memory for "what and where". These results provide strong evidence that mice establish an integrated memory for unique experience consisting of the "what", "where" and "when" that can persist until 2h ITI.

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Crossref · 10.1016/j.bbr.2015.02.043

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Authors
Belblidia, H., Abdelouadoud, A., Jozet-Alves, C., Dumas, H., Freret, T., Leger, M., & Schumann-Bard, P.
Affiliations
  • University of Sciences and Technology Houari Boumediene (DZ)
  • Normandie Université (FR)
Venue
Behavioural Brain Research
Publisher
Elsevier BV
Published
2015-06
Volume
286
Pages
80-84
ISSN
0166-4328 (ISSN-L)
OpenAlex
W2090138277
Cited by
17
References
26
Citations by year
2024: 1 · 2023: 1 · 2022: 4 · 2021: 2 · 2020: 2 · 2019: 1 · 2018: 2 · 2017: 2 · 2016: 2
FWCI
1.20
Type
journal article
Language
en
Open access
closed
Locations
  • Behavioural Brain Research (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Funders
Tekes
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
episodic-like memory, memory decay, object recognition, object location memory, temporal order memory, intertrial interval, mice
MeSH terms
Analysis of Variance, Animals, Exploratory Behavior, Male, Neuropsychological Tests, Psychological Tests, Time Factors, Time Perception, Recognition, Psychology, Mice, Memory, Episodic, Spatial Memory

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