June 2006
Volume 6, Issue 6
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Vision Sciences Society Annual Meeting Abstract  |   June 2006
Does energy expenditure affect the perception of egocentric distance? A failure to replicate Experiment 1 of Proffitt, Stefanucci, and Epstein (2003)
Author Affiliations
  • Jeffrey J. Hutchison
    Brown University, Department of Cognitive Science
  • Jack M. Loomis
    Univeristy of California, Santa Barbara Department of Psychology
Journal of Vision June 2006, Vol.6, 859. doi:10.1167/6.6.859
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      Jeffrey J. Hutchison, Jack M. Loomis; Does energy expenditure affect the perception of egocentric distance? A failure to replicate Experiment 1 of Proffitt, Stefanucci, and Epstein (2003). Journal of Vision 2006;6(6):859. doi: 10.1167/6.6.859.

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Abstract

In a series of recent studies, Proffitt and his colleagues have reported that the perceived distance to a target is influenced by the energy expenditure associated with any action, such as walking or throwing, for spanning the distance to the target. In particular, Proffitt, Stefanucci, Banton, and Epstein (2003) reported that wearing a heavy backpack caused verbal reports of distance to increase. We conducted a study to determine whether three responses dependent on perceived distance (verbal report of distance, blind walking, and estimates of object size) are influenced by the backpack manipulation. In two experiments, one involving a between-participants design and the other involving a within-participants design, we found that none of the three responses were influenced by the wearing of a heavy backpack.

Hutchison, J. J. Loomis, J. M. (2006). Does energy expenditure affect the perception of egocentric distance? A failure to replicate Experiment 1 of Proffitt, Stefanucci, and Epstein (2003) [Abstract]. Journal of Vision, 6(6):859, 859a, http://journalofvision.org/6/6/859/, doi:10.1167/6.6.859. [CrossRef]
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