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Article Dans Une Revue Acta Psychologica Année : 2021

To start or stop an action depends on which movement we perform: An appraisal of the horse–race model

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In order to gauge the executive processes underlying adaptive behavior, a central criterion in psychology is the extent to which experimental findings generalize across response types. The latency of two major acts of control, action initiation and inhibition, was evaluated using a stop-signal paradigm with two response types, involving either a finger key-pressing or a wrist pen-swiping response. In both conditions, 40 participants were instructed to respond quickly to a GO stimulus but to cancel their responses when a STOP signal was presented, which occurred randomly in 25% of the trials. Taken together, analyses of reaction times and of inhibition probability functions indicated that action initiation generalized across the two response types. In contrast, the finger key-pressing and the wrist pen-swiping responses involved independent inhibition processes. These results challenge a strictly top-down view for some acts of control by showing an interaction between the executive and motor levels in terms of response modality specificity.

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Mario Hervault, Raoul Huys, Jean-Christophe Buisson, Mathilde Francheteau, Perrine Siguier, et al.. To start or stop an action depends on which movement we perform: An appraisal of the horse–race model. Acta Psychologica, 2021, 217, pp.103332. ⟨10.1016/j.actpsy.2021.103332⟩. ⟨hal-03448523⟩
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