Oxytocin and vasopressin receptor gene variation as a proximate base for inter- and intraspecific behavioral differences in bonobos and chimpanzees.

by Nicky Staes, Jeroen M G Stevens, Philippe Helsen, Mia Hillyer, Marisa Korody, Marcel Eens
Published 2014-01-01

Testing the effect of medical positive reinforcement training on salivary cortisol levels in bonobos and orangutans.

by Verena Behringer, Jeroen M G Stevens, Gottfried Hohmann, Erich Möstl, Dieter Selzer, Tobias Deschner
Published 2014-01-01

Sex-differences in age-related decline of urinary insulin-like growth factor-binding protein-3 levels in adult bonobos and chimpanzees

by Verena Behringer, Stefan Wudy, Werner F. Blum, Jeroen M. G. Stevens, Thomas Remer, Christophe Boesch, Gottfried Hohmann
Published 2016-08-01

Elevated neopterin levels in wild, healthy chimpanzees indicate constant investment in unspecific immune system

by Verena Behringer, Jeroen M. G. Stevens, Roman M. Wittig, Catherine Crockford, Klaus Zuberbühler, Fabian H. Leendertz, Tobias Deschner
Published 2019-05-01

Time-lag of urinary and salivary cortisol response after a psychological stressor in bonobos (Pan paniscus)

by Jonas Verspeek, Verena Behringer, Daan W. Laméris, Róisín Murtagh, Marina Salas, Nicky Staes, Tobias Deschner, Jeroen M. G. Stevens
Published 2021-04-01

Cell-Mediated Immune Ontogeny Is Affected by Sex but Not Environmental Context in a Long-Lived Primate Species

by Verena Behringer, Verena Behringer, Caroline Deimel, Jeroen M. G. Stevens, Melodie Kreyer, Melodie Kreyer, Sean M. Lee, Gottfried Hohmann, Barbara Fruth, Barbara Fruth, Barbara Fruth, Michael Heistermann
Published 2021-05-01