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Does Energy Expenditure Affect the Perception of Egocentric Distance? A Failure to Replicate Experiment 1 of Proffitt, Stefanucci, Banton, and Epstein (2003)

Published online by Cambridge University Press:  10 April 2014

Jeffrey J. Hutchison*
Affiliation:
University of California
Jack M. Loomis
Affiliation:
University of California
*
Correspondence concerning this arcitle should be addressed to Jeffrey J. Hutchison, Department of Cognitive & Linguistic Sciences, Brown University, Providence, RI 02192 (USA).

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.

En una serie reciente de trabajos, Proffitt y sus colegas informaron de que la distancia a la que se percibe una estimulación diana se ve afectada por el gasto de energía asociado a la realización de cualquier acción, como andar o lanzar un objeto, que pueda realizarse para cubrir la distancia hasta la estimulación diana. Concretamente, Proffitt, Stefanucci, Banton y Epstein (2003) afirmaron que llevar una mochila pesada hizo que se incrementasen los informes verbales sobre la distancia. Realizamos un estudio para verificar si tres respuestas que dependen de la distancia percibida (informe verbal de distancia, andar a ciegas y estimaciones del tamaño de un objeto) son afectadas por el uso de la mochila. En dos experimentos, uno con un diseño inter-participantes y el otro con un diseño intra-participantes, encontramos que ninguna de las tres respuestas era afectada por llevar una mochila pesada.

Type
Monographic Section: Spatial Vision and Visual Space
Copyright
Copyright © Cambridge University Press 2006

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