Evidence for similar early but not late representation of possible and impossible objects

Frontiers in Psychology
Erez FreudTzvi Ganel

Abstract

The perceptual processes that mediate the ability to efficiently represent object 3D structure are still not fully understood. The current study was aimed to shed light on these processes by utilizing spatially possible and impossible objects that could not be created in real 3D space. Despite being perceived as exceptionally unusual, impossible objects still possess fundamental Gestalt attributes and valid local depth cues that may support their initial successful representation. Based on this notion and on recent findings from our lab, we hypothesized that the initial representation of impossible objects would involve common mechanisms to those mediating typical object perception while the perceived differences between possible and impossible objects would emerge later along the processing hierarchy. In Experiment 1, participants preformed same/different classifications of two markers superimposed on a display containing two objects (possible or impossible). Faster reaction times were observed for displays in which the markers were superimposed on the same object ("object-based benefit"). Importantly, this benefit was similar for possible and impossible objects, suggesting that the representations of the two object categories...Continue Reading

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Citations

Oct 22, 2019·Journal of Cognitive Neuroscience·Nicole H L WongDorita H F Chang
Oct 26, 2018·Frontiers in Psychology·Antónia ReindlGerhard Scholtz

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