Repeated social stress and the development of agonistic behavior: individual differences in coping responses in male golden hamsters

Wommack, Joel C.; Delville, Yvon

doi:10.1016/j.physbeh.2003.08.002

Cited by 80 publications

(62 citation statements)

References 23 publications

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“…They showed that the onset of adult-like agonistic responses is accelerated after repeated social stress and the attack frequency is higher in early adulthood in socially stressed animals. However, the average level of aggression in adulthood did not differ between socially stressed and control animals (Wommack and Delville, 2003). Our results confirm this finding, since we showed that the group level of offensive behavior did not differ between control and defeat animals at postnatal day 120.…”

Section: Discussionsupporting

confidence: 89%

“…With regard to aggression, puberty is marked by a transition of play fighting into adult patterns of aggressive behavior. Whereas play fighting is characterized by attacks that do not lead to severe consequences, adult attacks are more serious and expressed to acquire or defend social status, territory or resources (e.g., food) of an animal (Pellis and Pellis, 1998;Wommack and Delville, 2003).…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Adolescent social defeat disturbs adult aggression-related impulsivity in wild-type rats

Coppens

Coolen

Boer

et al. 2014

Behavioural Processes

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Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Adolescent social defeat disturbs adult aggression-related impulsivity in wild-type rats

Coppens

Coolen

Boer

et al. 2014

Behavioural Processes

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“…This may be related to adaptation of animals to the restraint inside the cages during the period of the study, as indicated by the normal cortisol levels in all animals inside restrained cages. 19 Therefore, we think that it was only the MPs that produced these evident changes in the sexual behavior of the phone group animals in spite of the different radiofrequency-exposure protocol applied in this study. This protocol did not simulate as closely as possible the radiofrequency exposure during the usual mobile communication.…”

Section: Discussionmentioning

confidence: 83%

Effects of exposure to a mobile phone on sexual behavior in adult male rabbit: an observational study

Salama

Kishimoto²,

Kanayama³

et al. 2009

Int J Impot Res

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The accumulating effects of exposure to electromagnetic radiation emitted by a conventional mobile phone (MP) on male sexual behaviour have not yet been analyzed. Therefore, we studied these effects in 18 male rabbits that were randomly divided into phone and control groups. Six female teasers were taken successively to the male's cage and the copulatory behavior was recorded. Serum total testosterone, dopamine and cortisol were evaluated. The animals of the phone group were exposed to MPs (800 MHz) in a standby position for 8 h daily for 12 weeks. At the end of the study, the copulatory behavior and hormonal assays were re-evaluated. Mounts without ejaculation were the main mounts in the phone group and its duration and frequency increased significantly compared with the controls, whereas the reverse was observed in its mounts with ejaculation. Ejaculation frequency dropped significantly, biting/grasping against teasers increased notably and mounting latency in accumulated means from the first to the fourth teasers were noted in the phone group. The hormonal assays did not show any significant differences between the study groups. Therefore, the pulsed radiofrequency emitted by a conventional MP, which was kept on a standby position, could affect the sexual behavior in the rabbit.

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“…In a more recent study, Wommack and Delville [26] reported hamsters 42 days of age with a history of adolescent subjugation were highly submissive in the home territory of the larger more aggressive hamsters. These results are not surprising, as some level of reduced aggression or submission would be expected when smaller male hamsters are placed into the home cage of larger conspecifics [27].…”

Section: Discussionmentioning

confidence: 99%

Behavioral and neuroendocrine consequences of social subjugation across adolescence and adulthood

2005

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Background: Social subjugation is a very significant and natural stressor in the animal kingdom. Adult animals defeated and subjugated during establishment of dominance hierarchies or territorial encounters can be highly submissive in future agonistic interactions. While much is know about the biological and behavioral consequences of winning and losing fights in adulthood, little is known about adolescence; a developmental period noted for impulsivity and heightened agonistic behavior. The present studies were undertaken to determine if the behavioral and neuroendocrine consequences of social subjugation are comparable in adolescent versus adult Syrian golden hamsters (Mesocricetus auratus). Male siblings were studied from adolescence into adulthood following exposure to counterbalanced episodes of either a benign stressor, i.e., isolation in a novel cage, or the more severe stressor of social subjugation.

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Repeated social stress and the development of agonistic behavior: individual differences in coping responses in male golden hamsters

Cited by 80 publications

References 23 publications

Adolescent social defeat disturbs adult aggression-related impulsivity in wild-type rats

Adolescent social defeat disturbs adult aggression-related impulsivity in wild-type rats

Effects of exposure to a mobile phone on sexual behavior in adult male rabbit: an observational study

Behavioral and neuroendocrine consequences of social subjugation across adolescence and adulthood

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