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The Goldilocks Principle: Balancing Familiarity and Novelty in the Selection of Play Partners in Groups of Juvenile Male Rats

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Hormonal programming of rat social play behavior: Standardized techniques will aid synthesis and translation to human health

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Pinning in the Play Fighting of Rats: A Comparative Perspective With Methodological Recommendations

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Quality not quantity: Deficient juvenile play experiences lead to altered medial prefrontal cortex neurons and sociocognitive skill deficits

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Hill, H. M. M., Ortiz, N., Kolodziej, K., & Ham, J. R. (2022) · International Journal of Play · doi:10.1080/21594937.2022.2152536 · Cited by 12 · see citing works

Maternal exposure to buprenorphine, but not methadone, during pregnancy reduces social play behavior across two generations of offspring

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How strain differences could help decipher the neurobiology of mammalian playfulness: what the less playful Fischer 344 rat can tell us about play

Siviy, S. M. (2020) · International Journal of Play · doi:10.1080/21594937.2020.1721024 · Cited by 10 · see citing works

Neurexin1α knockout in rats causes aberrant social behaviour: relevance for autism and schizophrenia

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The “Second Life” of laboratory rats (Rattus norvegicus): Assessment of social behavior of a colony of rats based on social network analysis

Mauri, D., Bonelli, S., & Ozella, L. (2022) · Journal of Applied Animal Welfare Science · doi:10.1080/10888705.2022.2132826 · Cited by 7 · see citing works

Behavioral mirroring in Wistar rats investigated through temporal pattern analysis

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Oppositions, joints, and targets: the attractors that are the glue of social interactions

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Groups of familiar male rats form unstable partner preferences when play fighting during the juvenile period

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Juvenile male rats form preferences based on strain when playing in groups but not in pairs

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To Play or Not to Play? Effects of Social Isolation Length and Stimulus Rat Familiarity on Social Play Engagement in Three Laboratory Rat Strains

Orsucci, I. C., Becker, K. D., Ham, J. R., Lee, J. D. A., Bowden, S. M., & Veenema, A. H. (2025) · Physiology & Behavior · doi:10.1016/j.physbeh.2025.115080 · Cited by 3 · see citing works

Noradrenergic modulation of play in Sprague-Dawley and F344 rats

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Partner Choice and Context‐Dependent Sex Differences in Rat Rough‐and‐Tumble Play

Ham, J. R., Pellis, S. M., & McDonald, R. J. (2026) · European Journal of Neuroscience · doi:10.1111/ejn.70426 · Cited by 1 · see citing works

Juvenile social play and the development of socio-cognitive skills in male rats: Does everyone benefit?

Ham, J. R., Iwaniuk, A. N., & Pellis, S. M. (2026) · Behavioural Brain Research · doi:10.1016/j.bbr.2026.116198 · Cited by 1 · see citing works

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