Sentence examples for juvenile play behavior from inspiring English sources
Furthermore, conditional knockout of Mecp2 during amygdala development caused subtle modifications of juvenile play behavior in male but not female rats (Kurian et al, 2008).
Somatosensory contact by the mother also affects juvenile play behavior in her offspring and does so in a sex-dependent manner [ 170].
For example, specific brain regions were shown to express androgen and estrogen receptors during early development [ 30– 34], and the application of testosterone into such regions defeminized the luteinizing hormone surge in female rats [ 35, 36] and masculinized juvenile play behavior and ultrasonic vocalizations of female rats and gerbils, respectively [ 37, 38].
While the neurobiology underlying juvenile social play behavior has been well characterized, less is known about discrete brain regions involved in adult responsiveness to a same sex peer.
Neonatal treatment of female rats with a DA D1-like receptor agonist during the first few days of life increased later juvenile social play behavior to male-like levels, and prior neonatal treatment with an ER antagonist blocks dopamine-induced masculinization of social play [15], suggesting that the effects of DA occur in part via ligand-independent activation of ERs.
Juvenile social play behavior is ubiquitous across a variety of mammalian species (for example [ 1, 2]).
In summary, we have observed sex differences in juvenile social play behavior indicating that there are both quantitative and qualitative differences.
Actually, rats emit the highest rates of 50-kHz calls typically during social interactions, like reproductive behavior, juvenile play and tickling.
We quantified social play behavior in juvenile rats and investigated the impact of sex and familiarity of the play partner.
In fact, 50-kHz calls are typically emitted during social interactions, like reproductive behavior [21], [23], [25] [28], juvenile play [19], [20] and tickling [36] [40].
Social play behavior is a critical experience for proper development and maturation of juveniles in many and diverse species.
