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Area of Science:

  • Cognitive Neuroscience
  • Visual Perception
  • Oculomotor Control

Background:

  • Spatial attention and eye movements are crucial for visual sampling.
  • Maintaining attention across saccades is challenging due to retinal shifts.
  • Saccadic remapping of spatial attention can be imperfect, leading to feature inference.

Purpose of the Study:

  • To investigate how spatiotemporal saccade predictability influences postsaccadic remapping.
  • To determine if saccade predictability affects feature perception across saccades.
  • To examine the role of predictions in maintaining perceptual stability.

Main Methods:

  • Two preregistered experiments using the postsaccadic feature report paradigm.
  • Manipulation of spatial and temporal saccade predictability.
  • Dissociation of spatial and temporal predictability roles in Experiment 2.

Main Results:

  • Both spatial and temporal saccade predictability enhanced general task performance.
  • Spatial saccade predictability specifically reduced postsaccadic feature interference (swap errors).
  • Swap errors, where retinotopic features were misreported as spatiotopic, decreased with predictable saccades.

Conclusions:

  • Systematic feature interference during postsaccadic remapping is influenced by saccade target location expectations.
  • Predictions about upcoming saccade locations play a role in maintaining perceptual stability.
  • This highlights the predictive nature of visual perception across eye movements.