Multiplicative priming of the correct response can explain the interaction between Simon and flanker congruency

Alodie Rey-Mermet, Miriam Gade and Marco Steinhauser

PLOS ONE, 2021, vol. 16, issue 3, 1-33

Abstract: In the Simon task, participants perform a decision on non-spatial features (e.g., stimulus color) by responding with a left or right key-press to a stimulus presented on the left or right side of the screen. In the flanker task, they classify the central character while ignoring the flanking characters. In each task, there is a conflict between the response-relevant features and the response-irrelevant features (i.e., the location on the screen for the Simon task, and the flankers for the flanker task). Thus, in both tasks, resolving conflict requires to inhibit irrelevant features and to focus on relevant features. When both tasks were combined within the same trial (e.g., when the row of characters was presented on the left or right side of the screen), most previous research has shown an interaction. In the present study, we investigated whether this interaction is affected by a multiplicative priming of the correct response occurring when both Simon and flanker irrelevant features co-activate the correct response (Exp. 1), a spatial overlap between Simon and flanker features (Exp. 2), and the learning of stimulus-response pairings (Exp. 3). The results only show an impact of multiplicative priming.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0248172

DOI: 10.1371/journal.pone.0248172

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