Isabela
Espino-Marquez

The Power to Pause: Variation Across Stop Trials Influencing Future Outcomes

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Authors:

Isabela Espino-Marquez

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About Paper:

The ability to rapidly stop actions is essential for navigating dynamic environments. Using the pause-then- retune framework, action stopping is conceptualized as a two-step process: an initial Pause, reflecting automatic global motor inhibition, followed by a Retune, in which the system selectively resumes or cancels an action. While prior research has examined reactive stopping, less is known about how stopping outcomes influence subsequent behavior. This study investigates how failed stop trials shape future inhibitory control. Using electromyography and force data from a stop-signal task, we examine electrophysiological markers of the pause process following failed stop, successful stop, and go trials. We hypothesize that failed stops alter proactive control, weakening the pause process on subsequent trials. This work aims to advance understanding of adaptive control mechanisms underlying human action stopping.

Source:

University of Oregon / 2026

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Co-authors:

Isabela Espino-Marquez