Preprint

Individual differences link sensory processing and motor control

This article is a preprint and has not been certified by peer review [What does this mean?].

Author(s) / Creator(s)

Goettker, Alexander
Gegenfurtner, Karl R.

Abstract / Description

Research on saccadic and pursuit eye movements already made great contributions to our understanding of sensory processing and human behavior. However, studies often have focused on average behavior of only one specific type of eye movement in a specific task. By leveraging individual differences of 50 observers across a unique combination of different tasks, we demonstrate that critical links and variations in the control of oculomotor behavior are missed by focusing on average behavior across participants of isolated eye movements. We observed that saccade and pursuit behavior across tasks are correlated, but only when tested with matched sensory information: accuracy of saccades to moving targets is correlated with pursuit gain, but not accuracy of saccades to stationary targets. Within the same task, the coordination of saccadic and pursuit eye movements is tailored to the strengths of the individual: observers with more accurate saccades to moving targets use them more frequently to catch-up with moving targets. Our findings demonstrate that individual variations in sensorimotor behavior are more than just measurement noise and questions previous results and interpretations based on the comparison of saccadic and pursuit eye movements with different sensory input.

Persistent Identifier

Date of first publication

2023-02-02

Publisher

PsychArchives

Citation

  • Author(s) / Creator(s)
    Goettker, Alexander
  • Author(s) / Creator(s)
    Gegenfurtner, Karl R.
  • PsychArchives acquisition timestamp
    2023-02-02T14:22:30Z
  • Made available on
    2023-02-02T14:22:30Z
  • Date of first publication
    2023-02-02
  • Abstract / Description
    Research on saccadic and pursuit eye movements already made great contributions to our understanding of sensory processing and human behavior. However, studies often have focused on average behavior of only one specific type of eye movement in a specific task. By leveraging individual differences of 50 observers across a unique combination of different tasks, we demonstrate that critical links and variations in the control of oculomotor behavior are missed by focusing on average behavior across participants of isolated eye movements. We observed that saccade and pursuit behavior across tasks are correlated, but only when tested with matched sensory information: accuracy of saccades to moving targets is correlated with pursuit gain, but not accuracy of saccades to stationary targets. Within the same task, the coordination of saccadic and pursuit eye movements is tailored to the strengths of the individual: observers with more accurate saccades to moving targets use them more frequently to catch-up with moving targets. Our findings demonstrate that individual variations in sensorimotor behavior are more than just measurement noise and questions previous results and interpretations based on the comparison of saccadic and pursuit eye movements with different sensory input.
    en
  • Publication status
    other
  • Review status
    notReviewed
  • Persistent Identifier
    https://hdl.handle.net/20.500.12034/8047
  • Persistent Identifier
    https://doi.org/10.23668/psycharchives.12508
  • Language of content
    eng
  • Publisher
    PsychArchives
  • Is related to
    https://doi.org/10.23668/psycharchives.12502
  • Is related to
    https://doi.org/10.23668/psycharchives.5056
  • Dewey Decimal Classification number(s)
    150
  • Title
    Individual differences link sensory processing and motor control
    en
  • DRO type
    preprint