Cited by 467Neurogenesis and neuroplasticity mechanismsStress Responses and CortisolMemory and Neural Mechanisms

Social isolation delays the positive effects of running on adult neurogenesis

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Stranahan, Alexis M, Khalil, David, Gould, Elizabeth·2006·Nature Neuroscience

Abstract

Social isolation can exacerbate the negative consequences of stress and increase the risk of developing psychopathology. However, the influence of living alone on experiences generally considered to be beneficial to the brain, such as physical exercise, remains unknown. We report here that individual housing precludes the positive influence of short-term running on adult neurogenesis in the hippocampus of rats and, in the presence of additional stress, suppresses the generation of new neurons. Individual housing also influenced corticosterone levels--runners in both housing conditions had elevated corticosterone during the active phase, but individually housed runners had higher levels of this hormone in response to stress. Moreover, lowering corticosterone levels converted the influence of short-term running on neurogenesis in individually housed rats from negative to positive. These results suggest that, in the absence of social interaction, a normally beneficial experience can exert a potentially deleterious influence on the brain.

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  • Social isolation delays the positive effects of running on adult neurogenesis in rats.

    “delays the positive effects of running on adult neurogenesis in rats;15”

    From Social isolation (2011) · cites this paper as [15]

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Authors
Stranahan, A. M., Khalil, D., & Gould, E.
Affiliations
Princeton University (US)
Corresponding author
Gould, Elizabeth
Venue
Nature Neuroscience
Published
2006-03-12
Volume
9
Issue
4
Pages
526-533
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2147162709
Cited by
467
References
49
Citations by year
2026: 10 · 2025: 9 · 2024: 7 · 2023: 12 · 2022: 15 · 2021: 12 · 2020: 17 · 2019: 19 · 2018: 15 · 2017: 21 · 2016: 34 · 2015: 31 · 2014: 34 · 2013: 30 · 2012: 31
FWCI
9.52
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute on Aging (F31AG024690)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
social isolation, adult neurogenesis, running, hippocampus, corticosterone, stress, individual housing, social interaction, physical activity, rats
MeSH terms
Adrenalectomy, Animals, Anti-Inflammatory Agents, Corticosterone, Hippocampus, Housing, Animal, Male, Neurons, Running, Social Isolation, Stress, Psychological, Time Factors, Rats, Sprague-Dawley, Cell Proliferation, Rats

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