Journal article

Caloric Primary Rewards Systematically Alter Time Perception

Bowen J Fung, Carsten Murawski, Stefan Bode

Journal of Experimental Psychology: Human Perception and Performance | American Psychological Association | Published : 2017


Human time perception can be influenced by contextual factors, such as the presence of reward. Yet, the exact nature of the relationship between time perception and reward has not been conclusively characterized. We implemented a novel experimental paradigm to measure estimations of time across a range of suprasecond intervals, during the anticipation and after the consumption of fruit juice, a physiologically relevant primary reward. We show that average time estimations were systematically affected by the consumption of reward, but not by the anticipation of reward. Compared with baseline estimations of time, reward consumption was associated with subsequent overproductions of time, and th..

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Awarded by Australian Research Council

Funding Acknowledgements

This work was supported by a Faculty of Business and Economics (University of Melbourne) Strategic Initiatives Grant, 2011 to CM and SB, and an Australian Research Council Discovery Early Career Researcher Award (DE 140100350) to SB. BJF contributed to the design of the study, collected and analyzed the data, and drafted the manuscript; CM contributed to the design of the study, statistical analyses and writing of the manuscript; SB contributed to the design of the study, statistical analyses and writing of the manuscript. All authors gave final approval for publication. We thank Peter Bossaerts, Jutta Stahl, Jason Forte, Daniel R. Little, David K. Sewell, Daniel Bennett, Katharina Voigt, Daniel Rosenblatt, Simon Lilburn and Damien Crone for helpful comments and suggestions, and Jessica Paul and Hayley Warren, for help with collecting the data.