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 Concept Videos

You might also read

Related Articles

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

Sort by
Same author

On manipulating motion gain in immersive virtual environments: An unidentified source of external noise and a new psychometric function.

Journal of vision·2026
Same author

Journal club: Seizure-related biomarkers of sudden unexpected death in epilepsy (SUDEP) in drug-resistant focal epilepsy (REPO<sub>2</sub>MSE): a prospective, multicentre case-control study.

Practical neurology·2026
Same author

Mapping <i>Practical Neurology</i> articles to the Neurology Specialty Certificate Examination curriculum.

Practical neurology·2026
Same author

Journal club: GLP-1 receptor agonists in idiopathic intracranial hypertension.

Practical neurology·2026
Same author

Diagnostic yield and limitations of whole-genome sequencing for hereditary cerebellar ataxia.

Brain communications·2025
Same author

A model of audio-visual motion integration during active self-movement.

Journal of vision·2025

Related Experiment Video

Updated: Jun 9, 2026

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking
07:26

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking

Published on: September 26, 2019

Age, eye movement and motion discrimination.

Emer O'Connor1, Tom H Margrain, Tom C A Freeman

  • 1School of Psychology, Cardiff University, Tower Building, Park Place, Cardiff CF10 3YT, UK.

Vision Research
|August 25, 2010
PubMed
Summary
This summary is machine-generated.

Age impacts motion perception, especially direction discrimination at slow speeds during eye pursuit. Both retinal and extra-retinal motion signals are combined, with internal noise limiting performance.

More Related Videos

Eye Movement Monitoring of Memory
08:06

Eye Movement Monitoring of Memory

Published on: August 15, 2010

VisualEyes: A Modular Software System for Oculomotor Experimentation
10:41

VisualEyes: A Modular Software System for Oculomotor Experimentation

Published on: March 25, 2011

Related Experiment Videos

Last Updated: Jun 9, 2026

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking
07:26

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking

Published on: September 26, 2019

Eye Movement Monitoring of Memory
08:06

Eye Movement Monitoring of Memory

Published on: August 15, 2010

VisualEyes: A Modular Software System for Oculomotor Experimentation
10:41

VisualEyes: A Modular Software System for Oculomotor Experimentation

Published on: March 25, 2011

Area of Science:

  • Visual neuroscience
  • Human perception
  • Oculomotor function

Background:

  • Age-related changes in visual sensitivity are well-documented.
  • Limited understanding exists regarding how aging affects motion perception during eye pursuit.

Purpose of the Study:

  • To investigate the influence of age on direction and speed discrimination during both fixation and pursuit eye movements.
  • To elucidate the roles of retinal and extra-retinal motion signals in age-related perceptual changes.

Main Methods:

  • Participants performed direction and speed discrimination tasks with visual stimuli.
  • Stimuli were either fixated or pursued, involving controlled eye movements.
  • Data were analyzed to compare performance across age groups and eye movement conditions.

Main Results:

  • Age significantly affected direction discrimination at slow speeds, but not speed discrimination.
  • Pursuit eye movements impaired both direction and speed discrimination.
  • Observers consistently integrated retinal and extra-retinal motion cues, irrespective of eye movement condition.

Conclusions:

  • Age-related deficits in motion perception are more pronounced for direction discrimination at slower speeds.
  • Eye pursuit introduces performance limitations, impacting both direction and speed judgments.
  • Internal noise in processing retinal and extra-retinal motion signals is a key factor limiting performance in head-centered motion estimation.