Proffitt, D. R. (2006). Embodied perception and the economy of action. Perspectives on psychological science, 1(2), 110-122.
Perception informs people about the opportunities for action and their associated costs. To this end, explicit awareness of spatial layout varies not only with relevant optical and ocular-motor variables, but also as a function of the costs associated with performing intended actions. Although explicit awareness is mutable in this respect, visually guided actions directed at the immediate environment are not. When the metabolic costs associated ...