Speaker
Description
According to the Dual Mechanism of Control (DMC), two cognitive control mechanisms exist, proactive and reactive control. Nonetheless, our recent electrophysiological findings potentially pave the way to three mechanisms, with two of them falling under reactive control: an early one engaged before conflict based on stimulus-attention associations and a late one engaged after conflict detection to solve response conflict. We thus preregistered a behavioural study (https://osf.io/g2s5j/) to explore the interplay between these reactive mechanisms in resolving conflict in a spatial Stroop task. To assess whether one exists even when the other is engaged, we manipulated them simultaneously. To do so, we manipulated the item-specific proportion congruency (ISPC), modulating early reactive control level based on the likelihood of conflict signalled by specific stimulus characteristics, and response conflict (RC), a novel manipulation modulating late reactive control level based on the relative probabilities associated to the co-activated responses, the correct and the irrelevant ones. We then used trial-level multilevel modelling analysis to test our a-priori hypothesis that they do not only co-exist, but also interact in an antagonist way: a higher early conflict resolution would leave less response conflict remaining to be solved. Our results supported indeed the existence of two reactive control mechanisms, but they revealed that they operated independently in an additive way.
| If you're submitting a poster, would you be interested in giving a blitz talk? | Yes |
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