The concept of dominance also has problems in studies on rodents

Brain, Paul F.

doi:10.1017/s0140525x00009675

Cited by 13 publications

(5 citation statements)

References 162 publications

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“…The ''dominance threshold.'' Species possessing the flexibility to shift from strict territoriality to social dominance in response to changing resources exists in many taxa (see Brain, 1981). This phenomenon has also been observed in lizards in the field by Evans (1951) for Ctenosaura pectinata; Norris (1953) for Dipsosaurus dorsalis as well as in the lab by Hunsaker and Burrage (1969) for various species; Brattstrom (1974); Greenberg (1977) for Anolis carolinensis.…”

Section: Social Dominance and Stressmentioning

confidence: 77%

Ethological Aspects of Stress in a Model Lizard, Anolis carolinensis

Greenberg¹

2002

Integrative and Comparative Biology

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Research on the stress response in reptiles can provide a useful comparative perspective for understanding how the constituent elements of the response can be put into service of diverse behavioral adaptations. A summary of the neural and endocrine causes and consequences of specific behavioral patterns seen in the small diurnal lizard, Anolis carolinensis, has provided a model for the exploration of the dynamics of autonomic and neurohormonal contributions to adaptive behavior. In this species, changes in body color provide indices of the flux of circulating stress-relevant hormones, and are seen in situations from spontaneous exploration through agonistic behavior. Furthermore, captive adult males spontaneously and consistently manifest social dominance relationships that provide many of the elements of a stress-mediated adaptive behavioral patterns. These patterns include suppressed reproduction and long-term coping apparently based more on stress-mediated changes in motivation than acquired changes in behavior.

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Section: Social Dominance and Stressmentioning

confidence: 77%

Ethological Aspects of Stress in a Model Lizard, Anolis carolinensis

Greenberg¹

2002

Integrative and Comparative Biology

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“…For example, repetitive testing in the CE task can often result in “trained” winners and losers independent of dominance behaviour in the home-cage 52 . Furthermore, previous researchers studying dominance have noted that dominance relationships may depend on spatial context, and are different when groups interact in different contexts like the CE task 17 , 22 . We cannot examine this hypothesis, on spatial context, further because we did not assess dominance relationships in the home-cage.…”

Section: Discussionmentioning

confidence: 99%

“… 14 , and later used in round-robin tournaments between cage-mates 15 , to assess which mice consistently retreat from others in a face-to-face conflict within a long and narrow tube. This task allows for clear scores of dominance; “win”, “lose”, or “tie”, which are difficult to quantify by home cage observations 15 – 17 . The task has been validated against other measures of dominance such as; home-cage behaviour, urine marking assay, food competition, and courtship vocalization 18 – 21 ; although not all measures of dominance necessarily converge 15 , 22 .…”

Section: Introductionmentioning

confidence: 99%

Phenotypic variability between Social Dominance Ranks in laboratory mice

Varholick

Bailoo

Palme

et al. 2018

Sci Rep

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The laboratory mouse is the most prevalent animal used in experimental procedures in the biomedical and behavioural sciences. Yet, many scientists fail to consider the animals’ social context. Within a cage, mice may differ in their behaviour and physiology depending on their dominance relationships. Therefore, dominance relationships may be a confounding factor in animal experiments. The current study housed male and female C57BL/6ByJ mice in same-sex groups of 5 in standard laboratory conditions and investigated whether dominance hierarchies were present and stable across three weeks, and whether mice of different dominance ranks varied consistently in behaviour and physiology. We found that dominance ranks of most mice changed with time, but were most stable between the 2nd and 3rd week of testing. Phenotypic measures were also highly variable, and we found no relation between dominance rank and phenotype. Further, we found limited evidence that variation in measures of phenotype was associated with cage assignment for either males or females. Taken together, these findings do not lend support to the general assumption that individual variation among mice is larger between cages than within cages.

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“…Further research is needed to specify whether the differences in the captive environment are related to space and/or burrow living. Overall, the results suggest that the study of intermale aggression can be broadened by the observation of domestic rats in more naturalistic environments (Brain, 1981) that support the type of social interactions required for the establishment and maintenance of social dominance. The effects of the physical environment had a dramatic effect on the pattern of agonistic behavior across days and on the establishment of dominance relationships.…”

Section: Resultsmentioning

confidence: 82%

Establishment of dominance in domestic Norway rats: Effects of the degree of captivity and social experience

Adams

1985

Animal Learning & Behavior

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The effect of the level of captivity and prior social experience on the establishment of dominance was examined in 16 colonies of albino rats. Males were assigned to one of four treatment groups: aggressive experience, defeat experience, exposure to electric shock, and controls. Following treatment, colonies of four males were established for 12 days in one of three different captive setings: a large outdoor pen, an indoor pen, or laboratory group cages. Effects of treatment were minimal; however, the degree of captivity significantly affected the display of aggression and the establishment of dominance relationships. In the two pen settings, attacks were more frequent and dominance relationships were established in six of eight colonies. Attacks in the laboratory cages occurred almost exclusively during the first 2 days, and no dominance relationships were established in any of eight laboratory cage colonies.

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The concept of dominance also has problems in studies on rodents

Cited by 13 publications

References 162 publications

Ethological Aspects of Stress in a Model Lizard, Anolis carolinensis

Ethological Aspects of Stress in a Model Lizard, Anolis carolinensis

Phenotypic variability between Social Dominance Ranks in laboratory mice

Establishment of dominance in domestic Norway rats: Effects of the degree of captivity and social experience

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