Cited by 58Memory and Neural MechanismsNeurogenesis and neuroplasticity mechanismsNeuroscience and Neuropharmacology Research

Lifelong environmental enrichment in rats: impact on emotional behavior, spatial memory vividness, and cholinergic neurons over the lifespan.

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Harati, Hayat, Barbelivien, Alexandra, Herbeaux, Karine, Muller, Marc-Antoine, Engeln, Michel, Kelche, Christian, Cassel, Jean-Christophe, Majchrzak, Monique·2013·AGE

Abstract

We assessed lifelong environmental enrichment effects on possible age-related modifications in emotional behaviors, spatial memory acquisition, retrieval of recent and remote spatial memory, and cholinergic forebrain systems. At the age of 1 month, Long-Evans female rats were placed in standard or enriched rearing conditions and tested after 3 (young), 12 (middle-aged), or 24 (aged) months. Environmental enrichment decreased the reactivity to stressful situations regardless of age. In the water maze test, it delayed the onset of learning deficits and prevented age-dependent spatial learning and recent memory retrieval alterations. Remote memory retrieval, which was altered independently of age under standard rearing conditions, was rescued by enrichment in young and middle-aged, but unfortunately not aged rats. A protected basal forebrain cholinergic system, which could well be one out of several neuronal manifestations of lifelong environmental enrichment, might have contributed to the behavioral benefits of this enrichment.

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Crossref · 10.1007/s11357-012-9424-8

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  • Independent of early life conditions, complex housing lowered body weight in both males and females.

    “Independent of early life conditions, complex housing also lowered body weight in both males and females [as we and others have seen before (Moncek et al., 2004; Peña et al., 2006; Harati et al., 2013; van der Veen et al., 2015)].”

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Authors
Harati, H., Barbelivien, A., Herbeaux, K., Muller, M.-A., Engeln, M., Kelche, C., Cassel, J.-C., & Majchrzak, M.
Affiliations
Centre National de la Recherche Scientifique (FR)
Venue
AGE
Published
2012-05-17
Volume
35
Issue
4
Pages
1027-1043
ISSN
  • 0161-9152 (ISSN-L)
  • 1574-4647
OpenAlex
W1965631080
Cited by
58
References
76
Citations by year
2026: 2 · 2025: 3 · 2024: 1 · 2023: 3 · 2022: 5 · 2021: 5 · 2020: 5 · 2019: 6 · 2018: 8 · 2017: 3 · 2016: 5 · 2015: 4 · 2014: 5 · 2013: 2
FWCI
1.80
Type
journal article
Language
en
Open access
Locations
  • AGE (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Funders
  • Université de Strasbourg
  • Centre National de la Recherche Scientifique
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
environmental enrichment, aging, emotional behavior, stress reactivity, spatial memory, remote memory retrieval, cholinergic neurons, basal forebrain, age-related memory decline, Long-Evans rats
MeSH terms
Aging, Animals, Behavior, Animal, Disease Models, Animal, Emotions, Female, Memory, Neuronal Plasticity, Social Environment, Stress, Psychological, Maze Learning, Rats, Long-Evans, Rats, Cholinergic Neurons

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