Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Performance-based assessment of oculomotor efficiency.

L C Percival1, F E Guedry

  • 1Medical Sciences Department, Naval Aerospace Medical Research Laboratory, NAS Pensacola, Florida 32508-5700.

Aviation, Space, and Environmental Medicine
|February 1, 1988
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Positional alcohol nystagmus in relation to labyrinthine function.

Research report. Naval School of Aviation Medicine (U.S.)·2014
Same author

Motion sickness and development of synergy within the spatial orientation system. A hypothetical unifying concept.

Brain research bulletin·1999
Same author

Microgravity vestibular investigations: perception of self-orientation and self-motion.

Journal of vestibular research : equilibrium & orientation·1997
Same author

Vertical optokinetic nystagmus and after-responses during backward tilt.

Aviation, space, and environmental medicine·1997
Same author

Spatial orientation perception and reflexive eye movements--a perspective, an overview, and some clinical implications.

Brain research bulletin·1996
Same author

Vestibulo-ocular response of human subjects seated in a pivoting support system during 3 Gz centrifuge stimulation.

Journal of vestibular research : equilibrium & orientation·1995
Same journal

Goodbye to ASEM.

Aviation, space, and environmental medicine·2014
Same journal

AsMA - a worldwide organization.

Aviation, space, and environmental medicine·2014
Same journal

This month in aerospace medicine history.

Aviation, space, and environmental medicine·2014
Same journal

You're the flight surgeon: hypogonadism.

Aviation, space, and environmental medicine·2014
Same journal

You're the flight surgeon: fatigue.

Aviation, space, and environmental medicine·2014
Same journal

Manned-unmanned teaming: expanding the envelope of UAS operational employment.

Aviation, space, and environmental medicine·2014
See all related articles

This study developed a simple oculomotor test to assess gaze control. Performance in identifying digits revealed how gaze shifts and exposure time affect visual information acquisition, with implications for pilot safety.

Area of Science:

  • Neuroscience
  • Ophthalmology
  • Human Factors Engineering

Background:

  • Effective visual information acquisition relies on coordinated head and eye movements controlled by oculomotor systems.
  • Gaze stabilization and shifting are critical for processing visual stimuli at different spatial locations.

Purpose of the Study:

  • To develop and validate a straightforward procedure for assessing oculomotor abilities, specifically gaze-shift control.
  • To evaluate the impact of exposure duration and gaze-shift magnitude on visual performance.

Main Methods:

  • A novel testing procedure was designed using serial letter identification to maintain gaze and digit identification to measure gaze-shift efficiency.
  • Performance was assessed under varying digit exposure durations and required gaze-shift sizes.

Related Experiment Videos

  • Normal subjects' performance was evaluated in eye-movement-only and combined head-and-eye movement conditions.

    • Main Results:

    • Digit identification accuracy was significantly influenced by digit exposure duration and, to a lesser extent, by the size of the required gaze shift.
    • Performance in dynamic conditions (eye movement and head-and-eye movement) aligned with predictions from static performance.
    • Significant individual differences in gaze-shift control performance were observed among normal subjects.

    Conclusions:

    • The developed oculomotor testing procedure is sensitive to visual performance related to gaze control.
    • The findings suggest potential clinical utility for detecting central nervous system and vestibular pathologies.
    • Suboptimal performance in gaze-shift control among some individuals, such as pilots, could lead to critical deficiencies in emergency situations requiring rapid gaze shifts.