Dominance behavior in socially isolated rats

Ward, Ingeborg L.; Gerall, Arnold A.

doi:10.3758/bf03342398

Cited by 17 publications

(3 citation statements)

References 7 publications

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“…Experiment 2 was specifically designed to examine the effects of familiarity as well as social experiences on immature fighting. Both isolation (Ward & Gerall, 1968) and unfamiliarity (Calhoun, 1948) increase conflict in adult male rats, and these factors appear to increase juvenile conflict as well. The young animals that were observed with relatively unfamiliar conspecifics were notably more active socially than familiar juveniles.…”

Section: Discussionmentioning

confidence: 99%

Fighting in juvenile rats and the ontogeny of agonistic behavior.

Taylor

1980

Journal of Comparative and Physiological Psychology

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Section: Discussionmentioning

confidence: 99%

Fighting in juvenile rats and the ontogeny of agonistic behavior.

Taylor

1980

Journal of Comparative and Physiological Psychology

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“…Our rats with many wins in the runway test crossed the alley slowly during training and frequently boxed during competition (Table 2). A correlation between training success and test results was also shown by Ward and Gerall (1968) in the same system. Runway-dominant rats showed frequent "freezing" (Spigel & Fraser, 1974), that is, a motionless position as a result of a species-specific defense reaction (Timmermans, 1978) as a form of boxing.…”

Section: Discussionmentioning

confidence: 81%

Rank positions in rats and their relations to tissue parameters

Militzer¹,

Reinhard²

1982

Psychobiology

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Spontaneous behavioral categories such as attack. submission. boxing. allogrooming, mounting. and anogenital control were investigated in nine groups of three rats each. At the same time. the number of wins in the runway test and the amount of time spent occupying access-to-water space were registered in competitive tests. Antagonistic behavior jattack and induction of submission) permitted no significant relationships to be drawn as to the results of the competitive tests. The competitive parameters. too. showed no correlation among themselves. In agreement with other authors. we reject the existence of an encompassing unidimensional rank order in rats on the basis of these results. Attack wins and induction of submission showed a positive correlation to one another as well as to relative thymus and testes weights. A high antagonistic activity was also correlated with low relative adrenal weight. large number of nuclei in the adrenal cortex. and wide tubuli seminiferi in the testes. As indicated by factor analysis. a significant decrease in body weight. low heart. thymus. liver. spleen. kidney. and testes weights. and high adrenal weight with decreased number of nuclei in the adrenal cortex were typical for rats with low aggressive rank positions. The influence of endocrine organs and diminished physical vitality in these low-ranking animals was also observed following nonsocial stress.

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“…Baenninger (1967) suggested that social responses such as grooming, chasing, and sniffing were made to the rat's own tail because the tail was the only stimulus that moved in relation to the environment with apparent spontaneity. The similarity between tail manipulation observed in isolated rats and the activity of lactating females whose pups had been removed, observed in the present study and in Weisner and Sheard (1933), should receive further examination. Should juvenile isolation from peers and maternal isolation from offspring manifest other similarities, the latter could serve as a useful paradigm for the study of social deprivation.…”

Section: Discussionmentioning

confidence: 99%

Early social deprivation and the ontogeny of unrestricted social behavior in the laboratory rat

Day

Seay

Hale

et al. 1982

Developmental Psychobiology

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The unrestricted adult social and nonsocial behavior of albino rats isolated from 21 to 70 days of age was compared with the behavior of rats receiving normal social experience. Isolated animals exhibited aberrant self-manipulative behaviors during the period of isolation, and both isolate-reared males and females were more aggressive than their group-reared counterparts. The hypothesis that females are buffered against the effects of social isolation received little support. Numerous gender differences and differences in the gender of the object of social response were found for both isolate- and group-reared rats. Gender and Rearing Conditions were relatively independent influences on behavior with few Gender x Treatment interactions reaching significance.

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Dominance behavior in socially isolated rats

Cited by 17 publications

References 7 publications

Fighting in juvenile rats and the ontogeny of agonistic behavior.

Fighting in juvenile rats and the ontogeny of agonistic behavior.

Rank positions in rats and their relations to tissue parameters

Early social deprivation and the ontogeny of unrestricted social behavior in the laboratory rat

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