The heart beat does not make us tick: the impacts of heart rate and arousal on time perception
Attention Perception & Psychophysics (2013) - Comment
pubmed: 23143915  doi: 10.3758/s13414-012-0387-8  issn: 1943-393x  issn: 1943-3921 

Marcus A. Schwarz, Isabell Winkler, Peter Sedlmeier