Further Evidence that Object-Based Correspondence Effects are Primarily Modulated by Object Location not Grasping Affordance Public Deposited

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  • Tipper, Paul, and Hayes (2006) found object-based correspondence effects for door-handle stimuli for shape judgments but not color. They reasoned that a grasping affordance is activated when judging dimensions related to a grasping action (shape), but not for other dimensions (color). Cho and Proctor (2011, 2013), however, found the effect with respect to handle position when the bases of the door handles were centered (so handles were positioned left or right; the base-centered condition) but not when the handles were centered (the object-centered condition), suggesting that the effect is driven by object location, not grasping affordance. We conducted an independent replication of Cho and Proctor’s design, but with behavioral and event-related potential measures. Participants made shape judgments in Experiment 1 and color judgments in Experiment 2 on the same door-handle objects. Correspondence effects on RT and errors were obtained in both experiments for the base-centered condition but not the object-centered condition. Effects were absent in the P1 and N1 data, which is consistent with the hypothesis of little binding between visual processing of grasping component and action. These findings question the grasping affordance view but support a spatial coding view, suggesting that correspondence effects are modulated primarily by object location.
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  • Lien, M. C., Gray, D., Jardin, E., & Proctor, R. W. (2014). Further evidence that object-based correspondence effects are primarily modulated by object location not by grasping affordance. Journal of Cognitive Psychology, 26(6), 679-698. doi:10.1080/20445911.2014.940959
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