Open-loop, closed-loop and compensatory control: performance improvement under pressure in a rhythmic task.

Experimental Brain Research
Felix EhrlenspielDagmar Sternad

Abstract

According to explicit monitoring theories, the phenomenon of choking under pressure is due to actors focusing their attention on the execution of the skill. This step-by-step perceptually guided control may then interfere with automatic execution. In order to examine the changes in control at the sensorimotor level, we examined the rhythmic task of ball bouncing which affords detailed quantification of indicators of control based on previous research. The hypothesis was that under psychological pressure perceptually guided control should lead to decreased performance due to over-emphasis on closed-loop control and decreased compensatory control. In two experiments of different difficulty psychological stress was induced via setting up a fake competition. Results showed that, contrary to the hypothesis, performance accuracy and consistency improved together with an increase in compensatory control. Indicators for open- and closed-loop processes did not change. Only under more challenging conditions in Experiment 2, enhanced performance under pressure was accompanied by more active, closed-loop and less passive control. The results are discussed in light of task demands and the continuous rhythmic nature of the task: in more chal...Continue Reading

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Citations

Feb 5, 2010·Journal of Neurophysiology·Renaud RonsseDagmar Sternad
Mar 31, 2015·Experimental Brain Research·Meghan E Huber, Dagmar Sternad
Jun 2, 2016·Acta Psychologica·Meghan E HuberDagmar Sternad
Aug 12, 2018·JAMA Oncology·Katerina StankováRobert A Gatenby

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