Neonatal testosterone augmentation increases juvenile play fighting but does not influence the adult dominance relationships of male rats
Pellis, S.M., Pellis, V.C., Kolb, B.
· 1998
★ NIFPlay Rating: 9
Rating Scale
10 Rigorous play-specific science
6–9 General biological science
5 Sound play research (uncontrolled)
1–4 Less rigorous / indirect
0 Indirect but high value
Demonstrates that early testosterone exposure increases rough-and-tumble play in juvenile rats without altering adult dominance, separating hormonal effects on play from effects on aggression.
