Activation of manipulation and function knowledge during visual search for objects.

Abstract : This study aimed at comparing the time course of the activation of function and manipulation knowledge during object identification. The influence of visual similarity and context information was also assessed. In 3 eye-tracking experiments, conducted with the Visual-World-Paradigm, participants heard the name of an object and had to identify it among four pictures. The target object (e.g., ) could be presented along with objects related by (a) function (e.g., ), (b) manipulation (e.g., ), (c) context (e.g., ), (d) visual similarity (e.g., ), and (e) completely unrelated objects. Growth curve analyses were used to assess competition effects among semantically (a, b, and c), visually related (d), and unrelated competitors (e). Results showed that manipulation- and function-related, but not context-related objects received more fixations than the unrelated ones, with a temporal advantage for the manipulation-related objects (Experiment 1). However, the visually similar objects faded the semantic competition effects, especially for function-related objects (Experiment 2). Finally, no temporal differences appeared when manipulation- and function-related objects were shown within the same visual array (Experiment 3). These results support the idea that both function and manipulation are relevant features of object semantic representations, but in the absence of other semantic competitors the activation of manipulation features appears prioritized during object identification. (PsycINFO Database Record (c) 2019 APA, all rights reserved).
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  • HAL Id : hal-02447023, version 1
  • PUBMED : 31580140

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Francesco Ruotolo, Solène Kalénine, Angela Bartolo. Activation of manipulation and function knowledge during visual search for objects.. Journal of Experimental Psychology. Human Perception and Performance, 2020, Journal of Experimental Psychology. Human Perception and Performance, 46 (1), pp.66-90. ⟨hal-02447023⟩

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