Direct perception of action-scaled affordances: The shrinking gap problem.
نویسندگان
چکیده
منابع مشابه
Direct perception of action-scaled affordances: the shrinking gap problem.
The aim of this study was to investigate the perception of possibilities for action (i.e., affordances) that depend on one's movement capabilities, and more specifically, the passability of a shrinking gap between converging obstacles. We introduce a new optical invariant that specifies in intrinsic units the minimum locomotor speed needed to safely pass through a shrinking gap. Detecting this ...
متن کاملJournal of Experimental Psychology: Human Perception and Performance Direct Perception of Action-Scaled Affordances: The Shrinking Gap Problem
The aim of this study was to investigate the perception of possibilities for action (i.e., affordances) that depend on one's movement capabilities, and more specifically, the passability of a shrinking gap between converging obstacles. We introduce a new optical invariant that specifies in intrinsic units the minimum locomotor speed needed to safely pass through a shrinking gap. Detecting this ...
متن کاملReconsidering the role of movement in perceiving action-scaled affordances.
Many locomotor tasks require actors to choose among different categories of action, such as when deciding whether to cross the street in front of an approaching vehicle or wait until it passes. In such cases, the actor's locomotor capabilities partly determine which actions are possible, and therefore must be taken into account. The present study was designed to re-evaluate the claim that peopl...
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15 صفحه اولIn Defense of the Direct Perception of Affordances
The field of functional recognition or affordance estimation from images has seen a revival in recent years. As originally proposed by Gibson, the affordances of a scene were directly perceived from the ambient light: in other words, functional properties like sittable were estimated directly from incoming pixels. Recent work, however, has taken a mediated approach in which affordances are deri...
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ژورنال
عنوان ژورنال: Journal of Experimental Psychology: Human Perception and Performance
سال: 2011
ISSN: 1939-1277,0096-1523
DOI: 10.1037/a0023510