Developmental analyses of social play behavior in juvenile rats

Thor, Donald H.; Holloway, William R.

doi:10.3758/bf03333916

Cited by 92 publications

(73 citation statements)

References 22 publications

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“…In this regard, play behavior increases after an isolation period [43,44] , and a satiation process was observed when this behavior was performed [45] .…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Prenatal Lipopolysaccharide Reduces Social Behavior in Male Offspring

Kirsten¹,

Taricano²,

Maiorka³

et al. 2010

Neuroimmunomodulation

119

102

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Objective: This study investigated the relationship between maternal sickness behavior during pregnancy and offspring development and behavior. Methods: Pregnant Wistar rats were administered with lipopolysaccharide (LPS, 100 µg/kg, i.p.) on gestation day (GD) 9.5. Dams’ sickness behavior was analyzed, and at birth, offspring number and weight were evaluated. Male offspring was evaluated through physical development, play behavior, adult social interaction, plus maze studies and morphological analysis of the brain. Results: Results, with respect to the control group, showed that: (1) LPS decreased general activity, food intake, and weight gain in dams, but no pyrexia was observed following treatment; (2) LPS reduced litter size, but no alterations in physical development were observed; (3) LPS reduced play behavior parameters in baby rats; (4) LPS decreased adult social interaction; (5) no alterations were observed between groups on plus maze studies; (6) no differences were observed between groups on morphological analyses of the brain. Conclusion: These data reveal that LPS administered on GD 9.5 impaired male offspring’s social behavior in infancy and adulthood. These results may be related to an alteration in motivational states or/and increased anxiety.

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“…In this regard, play behavior increases after an isolation period [43,44] , and a satiation process was observed when this behavior was performed [45] .…”

Section: Discussionmentioning

confidence: 99%

“…Such an event is attributed to the higher motivation in isolated rats to play and initiate socialization [43][44][45] .…”

Section: Discussionmentioning

confidence: 99%

Prenatal Lipopolysaccharide Reduces Social Behavior in Male Offspring

Kirsten¹,

Taricano²,

Maiorka³

et al. 2010

Neuroimmunomodulation

119

102

View full text Add to dashboard Cite

show abstract

“…Finally, since the Play-In-Pairs test and the Tickling test were performed 13 days apart from each other, it cannot be excluded that developmental changes in play behavior during this period could have masked a potential relationship between the two tests. While an overall decrease in pinning behavior would be expected between 41 and 54 days of age (Takahashi & Lore, 1983;Thor & Holloway, 1984), this would not necessarily affect individual consistency in playfulness. However, changes in ratio between the occurrence of play initiations (i.e., attacks to the nape) and playful defensive strategies (e.g., Pinning) have been shown to occur, though across a longer period of time (pre-vs. post-sexual maturity; Pellis & Pellis, 1991).…”

Section: Conspecific and Heterospecific Play Contextsmentioning

confidence: 99%

Play in Rats: Association across Contexts and Types, and Analysis of Structure

Melotti¹,

Bailoo²,

Murphy³

et al. 2014

AB&C

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-Play has been proposed as a promising indicator of positive animal welfare. We aimed to study play in rats across contexts (conspecific/heterospecific) and types (social: pinning, being pinned; solitary: scampering), and we investigated its structure using behavioral sequence analysis. Group-housed (three per cage) adolescent male Lister Hooded rats (n = 21) were subjected to a Play-In-Pairs test: after a 3 hour isolation period, a pair of cagemates was returned to the home cage and both social and solitary play were scored for 20 min. This procedure was repeated for each pair combination across three consecutive days, and individual play scores were calculated. Heterospecific play was measured using a Tickling test: rats were individually tickled by the experimenter through bouts of gentle, rapid finger movements on their underside, and the number of positive 50 kHz frequency modulated vocalizations and experimenter-directed approach behaviors were recorded. Both of the above tests were compared with social play in the home cage. While conspecific play in both the Play-In-Pairs test and home cage were correlated, both seemed to be unrelated to heterospecific play in the Tickling test. During the Play-In-Pairs test, although both solitary and social play types occurred, they were unrelated, and solitary locomotor play of one rat did not predict the subsequent play behavior of its cage mate. Analysis of play structure revealed that social play occurred more often in bouts of repeated behaviors while solitary play sequences did not follow a specific pattern. If play is to be used as an indicator of positive welfare in rats, context, type and structure differences should be taken into account.

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“…It is also of interest to note that, as animals attain sexual maturity, the quality of social play undergoes little, if any change (Adams & Boice, 1983;Drews, Forand, Gipe, Challel, & Gay, 1982;Takahashi & Lore, 1983;Taylor, 1980). Social play peaks during the developmental interval preceding puberty, that is, 30-40 days of age (Thor & Holloway, 1984a). Thereafter, social play decreases in frequency of occurrence with some diminution in the rapidity of movement that characterizes juvenile play.…”

mentioning

confidence: 99%

Play soliciting behavior in prepubertal and postpubertal male rats

Thor¹,

Holloway²

1985

Animal Learning & Behavior

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Pre-and postpubertal play soliciting behavior was observed in intact males, castrate males, sham-operated males, and female controls. Although play soliciting decreased markedly with age in all groups, male treatment groups did not differ reliably on pre-or postpubertal tests. Males, however, engaged in reliably greater play soliciting than females on all measures in both preand postpubertal tests. These results suggest that the major decrease in social play associated with the attainment of sexual maturity is apparent in the play soliciting behavior of both sexes and may be attributed to maturation effects other than that associated with gonadal hormones. The results are discussed in reference to organizational and activational effects of male gonadal hormones on measures of social play behavior.

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Developmental analyses of social play behavior in juvenile rats

Cited by 92 publications

References 22 publications

Prenatal Lipopolysaccharide Reduces Social Behavior in Male Offspring

Prenatal Lipopolysaccharide Reduces Social Behavior in Male Offspring

Play in Rats: Association across Contexts and Types, and Analysis of Structure

Play soliciting behavior in prepubertal and postpubertal male rats

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