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  Sensitivity to Weight Changes of Others Depends on Personal Body Size

Thaler, A., Geuss, M., Mölbert, S., Streuber, S., Giel, K., Black, M., et al. (2016). Sensitivity to Weight Changes of Others Depends on Personal Body Size. Poster presented at 39th European Conference on Visual Perception (ECVP 2016), Barcelona, Spain.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-7B3C-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-1CA9-2
Genre: Poster

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Thaler, A1, 2, Author              
Geuss, MN1, 2, 3, Author              
Mölbert, SC2, 3, Author              
Streuber, S1, 2, Author              
Giel, KE, Author
Black, MJ4, Author              
Mohler, BJ2, 3, Author              
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
3Research Group Space and Body Perception, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_2528693              
4Max Planck Institute for Intelligent Systems, Max Planck Society, ou_1497638              

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 Abstract: Previous research has suggested that own body size estimates are biased towards an average reference body (Cornelissen, Bester, Cairns, Tove´e Cornelissen, 2015). The role of personal body size in body size perception of others is still unclear. In this study, we tested healthy females varying in body mass index (BMI) to investigate whether personal body size influenced accuracy of body size estimation and sensitivity to weight changes of others. We generated four biometric female avatars with BMIs of 15, 25, 35, and 45 and altered the weight of the avatars (5, 10, 15, and 20 BMI change) based on a statistical body model. In several psychophysical experiments, we presented the stimuli on a stereoscopic, large-screen immersive display. For each avatar series, participants memorized what the original body looked like and then responded for each of the presented bodies whether it was the same as the one memorized. Our results show that there was no influence of personal BMI on the accuracy of body size estimation of the avatars. Interestingly however, participants were more sensitive to weight changes of an avatar close in BMI to their own, suggesting that own body size influences perception of others’ weight.

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 Dates: 2016-08
 Publication Status: Published in print
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 Identifiers: DOI: 10.1177/0301006616671273
BibTex Citekey: ThalerGMSGBM2016
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Title: 39th European Conference on Visual Perception (ECVP 2016)
Place of Event: Barcelona, Spain
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Title: Perception
Source Genre: Journal
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Publ. Info: London : Pion Ltd.
Pages: - Volume / Issue: 45 (ECVP Abstract Supplement) Sequence Number: - Start / End Page: 53 - 54 Identifier: ISSN: 0301-0066
CoNE: https://pure.mpg.de/cone/journals/resource/954925509369