Julia Sikorska

Julia Sikorska
University of Warsaw | UW · Department of Animal Behaviour

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9
Publications
4,244
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7
Citations

Publications

Publications (9)
Article
In March 2017, the oldest female of a group of chimpanzees living in the Municipal Zoological Garden in Warsaw, died in her sleep at the age of 53, due to natural causes. The article reports reactions of the eight other individuals in the group, four males and four females, including the daughter and the granddaughter of the old female, the followi...
Article
Full-text available
The aim of this study was to verify whether chimpanzees (Pan troglodytes) demonstrate an auditory laterality during the orientation reaction, and which hemisphere is responsible for processing the emotional stimuli and which for the species-specific vocalizations. The study involved nine chimpanzees from the Warsaw Municipal Zoological Garden. They...
Article
Full-text available
Research on prosocial behaviors in primates often relies on the two-choice paradigm. Motoric lateralization is a surprisingly big problem in this field of research research, as it may influence which lever will ultimately be chosen by the actor. The results of lateralization studies on primates do not form a clear picture of that phenomenon, which...
Conference Paper
Chimpanzees evince prosocial behaviour in nature as well as in the laboratory. research. In our study we were looking for factors modifying this kind of behaviour using the prosocial choice paradigm. The study involved four chimpanzees from. the Warsaw Municipal Zoological Garden, with two males and two females working in pairs: Shimmy 1.29 (M) - L...
Book
Full-text available
Część I. Ekologizm Zdzisława Piątek (Uniwersytet Jagielloński), Ekologiczny pakt z naturą, jego uwarunkowania i konsekwencje Dariusz Liszewski (Uniwersytet Warmińsko-Mazurski), Ekologiczna wizja świata Piotr Skubała (Uniwersytet Śląski), Wokół tajemnicy życia na Ziemi Andrzej Kuczumow (Katolicki Uniwersytet Lubelski), Ekologia a katastrofy Zbigniew...

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Projects

Projects (3)
Project
Research on the threshold of estimation ability depending on the types of stimuli.
Project
Measurement of social relations in various groups of Polish primitive horses and differences in the size of individual distance
Project
Research on the dynamics of prosocial behavior in the changing social conditions of the group