Space and time, not surface features, guide object persistence
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Mitroff, Stephen R.
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CitationMitroff, Stephen, and R. Alvarez. "Space and Time, Not Surface Features, Guide Object Persistence." Psychonomic Bulletin & Review 14, no. 6 (2007): 1199-204.
AbstractSuccessful visual perception relies on the ability to keep track of distinct entities as the same persisting objects from one moment to the next. This is a computationally difficult process and its underlying nature remains unclear. Here we use the object file framework to explore whether surface feature information (e.g., color, shape) can be used to compute such object persistence. From six experiments we find that spatiotemporal information (location as a function of time) easily determines object files, but surface features do not. The results suggest an unexpectedly strong constraint on the visual system's ability to compute online object persistence.
Citable link to this pagehttp://nrs.harvard.edu/urn-3:HUL.InstRepos:40997857
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