The global slowdown effect: why does perceptual grouping reduce perceived speed?
Attention Perception & Psychophysics (2014) - Comment
pubmed: 24448695  doi: 10.3758/s13414-013-0607-x  issn: 1943-393x  issn: 1943-3921 

Peter Jes Kohler, Gideon Paul Caplovitz, Peter Ulric Tse