Attention Trade-Off for Localization and Saccadic Remapping
Anna Dreneva1, Ulyana Chernova2,3, Maria Ermolova3,4
1Faculty of Psychology, Lomonosov Moscow State University, 125009 Moscow, Russia.
Vision (Basel, Switzerland)
|June 2, 2021
Summary
Attention is vital for predictive remapping, a process that maintains visual stability. This study shows attentional demands during saccadic remapping interfere with other tasks, highlighting attention's crucial role.
Area of Science:
- Cognitive Neuroscience
- Visual Perception
- Neuroscience
Background:
- Predictive remapping is a key mechanism for maintaining visual stability.
- Attention plays a critical role in the process of predictive remapping.
Purpose of the Study:
- To investigate the role of attention in predictive remapping.
- To examine attentional demands in a dual-task paradigm with and without saccadic remapping.
Main Methods:
- A dual-task paradigm was employed with two conditions: saccade (requiring remapping) and fixation (no saccade).
- Participants performed a clock estimation task and a peripheral dot localization task.
- Interference between tasks was analyzed to assess attentional demands.
Main Results:
- Saccadic trials showed an underestimation in clock position (approx. 37 ms) compared to fixation trials.
- Significant interaction between tasks demonstrated decreased clock task accuracy with increased localization error, specifically in the saccade condition.
- Performance interference occurred in the saccade condition but not the fixation condition.
Conclusions:
- Attention is crucial for predictive remapping.
- Attentional demands associated with saccadic remapping impact performance on concurrent tasks.
- These findings underscore the significant role of attention in maintaining visual stability through predictive remapping.
