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The "Motor" in Implicit Motor Sequence Learning: A Foot-stepping Serial Reaction Time Task
Published on: May 3, 2018
Introspective duration estimation of reactive and proactive motor responses
Andrei Gorea1, Pascal Mamassian, Pedro Cardoso-Leite
1Laboratoire Psychologie de la Perception, Paris Descartes University and CNRS, 75006 Paris, France. andrei.gorea@parisdescartes.fr
Acta Psychologica
|February 23, 2010
Summary
Humans can evaluate their own reaction times (RTs) and time interval reproductions (ARTs), but with significantly lower accuracy. This study explores factors influencing this metajudgment performance, including visual feedback and active versus passive estimation.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human Factors
Background:
- Metajudgment involves evaluating the accuracy of one's own actions.
- Understanding the precision of self-assessment in motor responses is crucial for various fields.
Purpose of the Study:
- To investigate the accuracy of human metajudgment for Reaction Times (RT) and Anticipatory Response Times (ART).
- To explore factors influencing metajudgment accuracy, such as visual feedback and active versus passive time estimation.
Main Methods:
- Four experiments were conducted to assess RT and ART metajudgment.
- Visual feedback was introduced to test its effect on metajudgment accuracy.
- Performance was compared between active metajudgment and passive perceptual estimation of time intervals.
Main Results:
- Metajudgments for RT and ART were possible but significantly less accurate than direct estimations.
- Visual feedback did not significantly improve overall metajudgment accuracy, though a trend was observed for ART.
- RT metajudgment accuracy was similar to passive estimation, while ART metajudgment was less accurate than passive estimation.
Conclusions:
- Human metajudgment of motor response durations is feasible but inherently less accurate.
- A clock-type model with multiple noise sources explains the observed performance limitations.
- The findings suggest potential constraints in the time-counting system for tasks involving repeated time origins.
