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Mémoire et perception : l'influence de la simulation de la couleur sur la perception de la couleur

Abstract : Sensorimotor models of cognition consider knowledge as neural patterns distributed over the entire brain, including the sensory areas. Various studies have confirmed that access to knowledge associated with a color (e.g., banana) recruits a neural network similar to that involved in color perception. Consequently, it is possible that the use of common structures involves an interaction between access to knowledge and perception of color. To test this hypothesis, the procedure used was to quickly present a prime involving a simulation of the color (e.g., A black-and-white line drawing of a banana) followed by a congruent target color (yellow) or not (green) on which participants were asked to perform a perceptual processing (i.e., color discrimination task). We expected to observe a perceptual priming of color. We conducted seven experiments in which we varied different factors such as the type of primes (pictures, words), the SOA or the type of perceptual tasks. The results show that simulation can influence color perception at a perceptual level, as long as the task on the target requires only perceptual processing and the congruency link between prime and target is handled at the level of specific hues. Otherwise, the priming obtained seems to be of a lexical nature. We discuss the implications of these results for (i) the knowledge/perception interactions, (ii) the nature of the processes involved in color perception and (iii) in the mnemonic representation of colors.
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Loïc Heurley. Mémoire et perception : l'influence de la simulation de la couleur sur la perception de la couleur. Psychologie. Université Paul Valéry - Montpellier III, 2012. Français. ⟨NNT : 2012MON30048⟩. ⟨tel-00823241⟩

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