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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Simon-like and functional affordance effects with tools: the effects of object perceptual discrimination and object action state.
    Author: Pellicano A, Iani C, Borghi AM, Rubichi S, Nicoletti R.
    Journal: Q J Exp Psychol (Hove); 2010 Nov; 63(11):2190-201. PubMed ID: 20589580.
    Abstract:
    In the present study two separate stimulus-response compatibility effects (functional affordance and Simon-like effects) were investigated with centrally presented pictures of an object tool (a torch) characterized by a structural separation between the graspable portion and the goal-directed portion. In Experiment 1, participants were required to decide whether the torch was red or blue, while in Experiment 2 they were required to decide whether the torch was upright or inverted. Our results showed that with the same stimulus two types of compatibility effect emerged: one based on the direction signalled by the goal-directed portion of the tool (a Simon-like effect as observed in Experiment 1), and the other based on the actions associated with an object (a functional affordance effect as observed in Experiment 2). Both effects emerged independently of the person's intention to act on the stimulus, but depended on the stimulus properties that were processed in order to perform the task.
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