Behavioral correlates of chronic dominance-subordination relationships of male rats in a seminatural situation
Abstract
Detailed characterization and analysis of intraspecific aggressive and defensive behaviors of rats in mixed sex groups is beginning to provide an understanding of the complex pattern of behavioral and physiological change associated with variation in dominance status. These findings indicate that male subordination dramatically reduces longevity and produces a pattern of behavior changes very similar to the defenses elicited by predatory exposure. In addition, many of these changes are, in detail, isomorphic to important behavioral features of clinical depression.
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In many studies of dominance among laboratory rats, a fraction of groups, ranging from about 5% to 35%, have asymmetries not pronounced enough to assign a clear social rank to some or any group members.
“In many studies of dominance among laboratory rats there is a fraction of groups (ranging from ~5% to ~35%) in which asymmetries between the individuals are not pronounced enough to assign a clear social rank to some/any of the group-members.50,94,102,103,119,124,126”
From Ecological validity of social interaction tests in rats and mice (2019) · cites this paper as [124]
Dominance hierarchies are generally less pronounced among domesticated rats than in the wild.
“Secondly, literature suggests that dominance hierarchies are generally less pronounced among domesticated rats than in the wild.”
From Ecological validity of social interaction tests in rats and mice (2019) · cites this paper as [124]
When housed in burrow systems, dominant rats spend much more time in the open area, but only until a predator is noticed.
“When housed in burrow systems, they spend much more time in the open area, but only until a predator is noticed.124”
From Ecological validity of social interaction tests in rats and mice (2019) · cites this paper as [124]
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References 37 · Cited by 163
- Authors
- Blanchard, D. C., & Blanchard, R. J.
- Affiliations
- University of Hawaiʻi at Mānoa (US)
- Venue
- Neuroscience & Biobehavioral Reviews
- Publisher
- Elsevier BV
- Published
- 1990-12
- Volume
- 14
- Issue
- 4
- Pages
- 455-462
- ISSN
- 0149-7634 (ISSN-L)
- OpenAlex
- W2015824536
- Cited by
- 163
- References
- 37
- Citations by year
- 2026: 7 · 2025: 2 · 2024: 3 · 2023: 6 · 2022: 2 · 2021: 7 · 2020: 5 · 2019: 2 · 2018: 4 · 2017: 4 · 2016: 7 · 2015: 9 · 2014: 3 · 2013: 2 · 2012: 5
- FWCI
- 0.96
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Neuroscience & Biobehavioral Reviews (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Institutes of Health (5r01aa006220-06, 5r01mh042803-03)
- National Institute on Alcohol Abuse and Alcoholism (AA-06220)
- National Institute of Mental Health (MH42803)
- National Center for Research Resources (RR03061)
- Topics
- Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Behavior and Reproduction
- Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
- Keywords
- dominance hierarchy, subordination, male rats, intraspecific aggression, defensive behavior, mixed-sex groups, longevity, major depressive disorder, chronic stress
- MeSH terms
- Animals, Behavior, Animal, Male, Social Dominance, Rats
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