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

Mechanism of Ciliary Motion01:05

Mechanism of Ciliary Motion

4.4K
The ciliary structures were first seen in 1647 by Antonie Leeuwenhoek while observing the protozoans. In lower organisms, these appendages are responsible for cell movement, while in higher organisms, these appendages help in the movement of the extracellular fluids within the body cavities.
The cilia are made up of microtubules in a 9+2 arrangement, with nine microtubule doublet ring bundles, surrounding a pair of central singlet microtubule bundles. The doublet microtubule bundles are...
4.4K

You might also read

Related Articles

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

Sort by
Same author

Discrete interneuron subsets participate in GluN1/GluN3A excitatory glycine receptor (eGlyR)-mediated regulation of hippocampal network activity throughout development and evolution.

Research square·2025
Same author

Multiple patterns of selectivity in superior colliculus control visual search.

bioRxiv : the preprint server for biology·2025
Same author

Edward Lowell Keller (1939-2025).

Nature neuroscience·2025
Same author

Exogenous spatial attention is functional in paralytic strabismics.

Frontiers in neuroscience·2025
Same author

Physiological correlates of a simple saccadic-decision task to extended objects in superior colliculus.

iScience·2025
Same author

Evaluating theories of neural information integration during visual search.

bioRxiv : the preprint server for biology·2024

Related Experiment Video

Updated: Nov 20, 2025

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
06:46

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

7.3K

Modulation of saccade trajectories during sequential saccades.

Reza Azadi1,2, Elizabeth Y Zhu2, Robert M McPeek2

  • 1Laboratory of Neuropsychology, National Institute of Mental Health, NIH, Bethesda, Maryland.

Journal of Neurophysiology
|January 20, 2021
PubMed
Summary

Sequential saccades are planned concurrently, with trajectory modulation influenced by both previous and upcoming saccades. This modulation helps minimize endpoint errors in eye movements.

Keywords:
curvatureeye movementsaccadesaccade sequence

More Related Videos

Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function
05:44

Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function

Published on: July 14, 2016

7.7K
Eye Tracking Young Children with Autism
09:03

Eye Tracking Young Children with Autism

Published on: March 27, 2012

46.1K

Related Experiment Videos

Last Updated: Nov 20, 2025

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
06:46

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

7.3K
Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function
05:44

Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function

Published on: July 14, 2016

7.7K
Eye Tracking Young Children with Autism
09:03

Eye Tracking Young Children with Autism

Published on: March 27, 2012

46.1K

Area of Science:

  • Neuroscience
  • Oculomotor System Research
  • Human Motor Control

Background:

  • Sequential saccades, rapid eye movements, can overlap in planning and execution.
  • Neural activity in the oculomotor system can alter saccade trajectories.

Purpose of the Study:

  • To analyze saccade trajectories to assess the combined programming of sequential saccades.
  • To investigate how preceding and following saccades influence saccade curvature.

Main Methods:

  • Two psychophysical experiments involving sequences of two saccades.
  • Analysis of saccade trajectories, curvature, start/end points, and timing of deviation.

Main Results:

  • Saccade curvature is modulated by the direction and amplitude of both preceding and following saccades.
  • Larger saccades have a stronger effect on curvature.
  • Sequential saccades are programmed concurrently, with overlapping planning.

Conclusions:

  • Saccade trajectory modulation minimizes endpoint errors in sequential saccades.
  • Concurrent programming of sequential saccades is supported by trajectory modulation effects.
  • Oculomotor system's modulation of saccade trajectories offers a novel benefit for accuracy.