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Individual differences in working memory moderate the relationship between prosaccade latency and antisaccade error
David J Schaeffer1, Lingxi Chi, Cynthia E Krafft
1Department of Neuroscience, University of Georgia, Athens, Georgia, USA.
Psychophysiology
|November 11, 2014
Summary
Cognitive control, measured by antisaccade errors, varies among individuals. Faster eye movement responses (prosaccade latency) correlate with more errors, a relationship influenced by working memory capacity.
Area of Science:
- Cognitive psychology
- Neuroscience
- Human behavior
Background:
- Cognitive control enables flexible responses in dynamic environments.
- Antisaccade error rate is a key measure of cognitive control.
- Individual differences in cognitive control are significant but not fully understood.
Purpose of the Study:
- To investigate the relationship between prosaccade latency, antisaccade error rate, and working memory.
- To explore how working memory influences the link between prosaccade latency and antisaccade performance.
- To elucidate factors contributing to individual differences in cognitive control.
Main Methods:
- Recruited 153 healthy participants.
- Measured prosaccade latency and antisaccade error rate.
- Assessed working memory capacity.
Main Results:
- A significant correlation was found between faster prosaccade latency and higher antisaccade error rate.
- Prosaccade latency was a significant predictor of antisaccade error rate.
- Working memory significantly moderated the relationship between prosaccade latency and antisaccade error rate.
Conclusions:
- Prosaccade latency and working memory are key factors influencing cognitive control, as measured by antisaccade performance.
- Understanding these relationships can help explain individual differences in cognitive control.
- This research provides insights into the neurocognitive mechanisms underlying flexible responding.
