Play deprivation without social isolation: Housing controls

Holloway, Kevin S.; Suter, Robert B.

doi:10.1002/dev.10151

Cited by 42 publications

(31 citation statements)

References 56 publications

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“…They demonstrated at least a threefold increase in this adolescent-characteristic form of social interactions under both familiar and unfamiliar test circumstances, with more modest increases in play fighting evident among older adolescents. These results are in agreement with previous reports that play behavior in the rat peaks during early adolescence and declines thereafter [18,19,20,35,39] and that this form of social interactions is extremely sensitive to social deprivation in young animals [12,18,19,31,39]. Reminiscent of our previous findings [39], not only play fighting but also social investigation and contact behavior were elevated in early adolescent animals following social deprivation.…”

Section: Discussionsupporting

confidence: 93%

Social interactions in adolescent and adult Sprague–Dawley rats: Impact of social deprivation and test context familiarity

Varlinskaya

Spear

2008

Behavioural Brain Research

190

161

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Interactions with peers become particularly important during adolescence, and age differences in social interactions have been successfully modeled in rats. To determine the impact of social deprivation on social interactions under anxiogenic (unfamiliar) or non-anxiogenic (familiar) test circumstances during ontogeny, the present study used a modified social interaction test to assess the effects of 5 days of social isolation or group housing on different components of social behavior in early [postnatal day (P) 28], mid (P35), or late (P42) adolescent and adult (P70) male and female Sprague-Dawley rats. As expected, testing in an unfamiliar environment suppressed social interactions regardless of age, housing, and sex. Social deprivation drastically enhanced all forms of social behavior in P28 animals regardless of test situation, whereas depriving older animals of social interactions had more modest effects and was restricted predominantly to play fighting-an adolescent-characteristic form of social interactions. Social investigation-more adult-typical form of social behavior was relatively resistant to isolation-induced enhancement and was elevated in early adolescent isolates only. These findings confirm that different forms of social behavior are differentially sensitive to social deprivation across ontogeny.

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Section: Discussionsupporting

confidence: 93%

Social interactions in adolescent and adult Sprague–Dawley rats: Impact of social deprivation and test context familiarity

Varlinskaya

Spear

2008

Behavioural Brain Research

190

161

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“…This has been demonstrated in the present study and it confirms previous results Hole, 1991;Holloway & Suter, 2004;Thor & Holloway, 1984b;Varlinskaya, et al, 1999;Vieira & Guerra, 2001). The effect of the social isolation cannot be minimized in function of other sensorial cues when the physical contact is excluded.…”

Section: Discussionsupporting

confidence: 96%

Effects of different opportunities for social interaction on the play fighting behavior in male and female golden hamsters (Mesocricetus auratus)

Vieira

Garcia

Rau

et al. 2005

Developmental Psychobiology

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After social isolation, animals play significantly more than nonisolated animals. However, it is not always possible to affirm that the effect of the social isolation is due to the lack of play. Experimentally, selective privation has been used, such as allowing the animals to play during periods of the day. In the present study, two experiments were carried out to verify the possible differences in the play fighting behavior of golden hamsters that were allowed to have different daily periods of social interaction (10 min, 1 hr, or 2 hr). Through the statistical analysis, it was shown that males play more than females and that periods of up to 2 hr daily for interaction are insufficient to avoid the short-term effects of isolation. It is concluded that a period of daily social interaction greater than 2 hr is needed to offset the effects of social isolation in golden hamsters.

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“…Mesh screens have also been used in experiments examining the effects of differential housing conditions on play behavior. Results from these studies suggest that rats living in duplex housing (i.e., separated by a mesh screen) demonstrate a ‘play rebound’ similar to fully isolated rats [37, 57, 58]. This effect of play deprivation is attenuated when housing conditions allow for bodily contact, but not vigorous attributes of play behavior (i.e., chasing and pinning), indicating that the “need” for play can be attenuated with more mild forms of social contact [37].…”

Section: Discussionmentioning

confidence: 99%

Limited physical contact through a mesh barrier is sufficient for social reward-conditioned place preference in adolescent male rats

Peartree

Hood

Thiel

et al. 2012

Physiology & Behavior

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Adolescence is a period of enhanced sensitivity to social influences and vulnerability to drug abuse. Social reward in adolescent rats has been demonstrated with the conditioned place preference (CPP) model, but it is not clear whether limited contact with another rat without play is sufficient to produce reward. We investigated this issue using an apparatus containing two main compartments each with a wire mesh barrier that allowed rats placed on either side of the barrier to have limited physical contact. Adolescent male rats were given two conditioning sessions/day for 2 or 8 days following baseline preference tests. Rats were placed into their preferred side alone for one daily 10-min session and into their initially non-preferred side (i.e., CS) for the other session during which they either had restricted or unrestricted physical access to another rat (Rat/Mesh or Rat/Phys, respectively) or to a tennis ball (Ball/Mesh or Ball/Phys, respectively) unconditioned stimulus (US). Only the Rat/Phys group exhibited CPP after 2 CS-US pairings; however, after 8 CS-US pairings, the Rat/Mesh and Ball/Phys groups also exhibited CPP. During conditioning, the rat US elicited more robust approach and contact behavior compared to the ball, regardless of physical or restricted access. The incidence of contact and/or approach increased as the number of exposures increased. The results suggest that the rank order of US reward efficacy was physical contact with a rat > limited contact with a rat > physical contact with a ball, and that rough-and-tumble play is not necessary to establish social reward-CPP. The findings have important implications for emerging drug self-administration models in which two rats self-administering drug intravenously have limited physical contact via a mesh barrier shared between their respective operant conditioning chambers.

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Play deprivation without social isolation: Housing controls

Cited by 42 publications

References 56 publications

Social interactions in adolescent and adult Sprague–Dawley rats: Impact of social deprivation and test context familiarity

Social interactions in adolescent and adult Sprague–Dawley rats: Impact of social deprivation and test context familiarity

Effects of different opportunities for social interaction on the play fighting behavior in male and female golden hamsters (Mesocricetus auratus)

Limited physical contact through a mesh barrier is sufficient for social reward-conditioned place preference in adolescent male rats

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