Cited by 3,223Memory and Neural MechanismsMemory Processes and InfluencesCognitive Abilities and Testing

A new one-trial test for neurobiological studies of memory in rats. 1: behavioral data

Ennaceur, A., Delacour, J.·1988·Behavioural Brain Research

Abstract

In this paper we describe a new memory test in rats, based on the differential exploration of familiar and new objects. In a first trial (T1), rats are exposed to one or to two identical objects (samples) and in a second trial, to two dissimilar objects, a familiar (the sample) and a new one. For short intertrial intervals (approximately 1 min), most rats discriminate between the two objects in T2: they spend more time in exploring the new object than the familiar one. This test has several interesting characteristics: (1) it is similar to visual recognition tests widely used in subhuman primates, this allows interspecies comparisons; (2) it is entirely based on the spontaneous behavior of rats and can be considered as a 'pure' working-memory test completely free of reference memory component; (3) it does not involve primary reinforcement such as food or electric shocks, this makes it comparable to memory tests currently used in man.

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Crossref · 10.1016/0166-4328(88)90157-x

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Authors
Ennaceur, A., & Delacour, J.
Affiliations
Université Paris Diderot (FR)
Corresponding author
Ennaceur, A.
Venue
Behavioural Brain Research
Publisher
Elsevier BV
Published
1988-11
Volume
31
Issue
1
Pages
47-59
ISSN
0166-4328 (ISSN-L)
OpenAlex
W2072441360
Cited by
3,223
References
46
Citations by year
2026: 105 · 2025: 124 · 2024: 148 · 2023: 138 · 2022: 143 · 2021: 179 · 2020: 172 · 2019: 189 · 2018: 171 · 2017: 182 · 2016: 166 · 2015: 161 · 2014: 161 · 2013: 134 · 2012: 152
FWCI
1.52
Type
journal article
Language
en
Open access
closed
Locations
  • Behavioural Brain Research (publishedVersion)
  • PubMed (publishedVersion)
  • Sunderland Repository (University of Sunderland) (acceptedVersion)
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 Abilities and Testing
Keywords
object recognition memory, rats, working memory, reference memory, visual recognition memory, cross-species comparison, spontaneous behavior
MeSH terms
Animals, Attention, Brain, Exploratory Behavior, Habituation, Psychophysiologic, Male, Memory, Orientation, Rats, Inbred Strains, Mental Recall, Retention, Psychology, Rats

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