Testing the Effect of Medical Positive Reinforcement Training on Salivary Cortisol Levels in Bonobos and Orangutans

• Verena Behringer ,

  * E-mail: verena_behringer@eva.mpg.de

  Affiliations Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany, Centre for Research and Conservation, Royal Zoological Society of Antwerp, Antwerp, Belgium

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• Jeroen M. G. Stevens,

  Affiliation Centre for Research and Conservation, Royal Zoological Society of Antwerp, Antwerp, Belgium

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• Gottfried Hohmann,

  Affiliation Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany

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• Erich Möstl,

  Affiliation Department of Biomedical Sciences/Biochemistry, University of Veterinary Medicine, Vienna, Austria

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• Dieter Selzer,

  Affiliation Working Group for Wildlife Biology, Justus-Liebig-University Gießen, Gießen, Germany

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• Tobias Deschner

  Affiliation Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany

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