Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Accessory Structures of the Eye

Accessory Structures of the Eye

Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...

Association Areas of the Cortex

Association Areas of the Cortex

Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...

You might also read

Related Articles

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

Sort by

Same author

Multiple patterns of selectivity in superior colliculus control visual search.

bioRxiv : the preprint server for biology·2025

Same author

Multifocal contact lenses and defocus incorporated multiple segments lenses slow myopic progression in Chinese children with high myopia.

Journal of optometry·2025

Same author

Edward Lowell Keller (1939-2025).

Nature 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

Same author

A protocol to quantify cross-sectional and longitudinal differences in duction patterns.

Frontiers in neuroscience·2024

Search research articles

Related Experiment Video

Updated: Jan 15, 2026

VisualEyes: A Modular Software System for Oculomotor Experimentation

VisualEyes: A Modular Software System for Oculomotor Experimentation

Published on: March 25, 2011

Exogenous spatial attention is functional in paralytic strabismics.

Kevin T Willeford^1,2, Robert M McPeek²

¹Department of Optometric Sciences, NOVA Southeastern University College of Optometry, Fort Lauderdale, FL, United States.

Frontiers in Neuroscience

|October 8, 2025

Summary

Patients with paralytic strabismus exhibit normal spatial attention shifts, challenging previous beliefs. This indicates that attentional control may be independent of motor execution systems.

Keywords:

covert attention exogenous attention overt attention paralytic strabismus premotor theory

More Related Videos

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

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

Published on: March 18, 2019

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Published on: July 21, 2020

Related Experiment Videos

Last Updated: Jan 15, 2026

VisualEyes: A Modular Software System for Oculomotor Experimentation

VisualEyes: A Modular Software System for Oculomotor Experimentation

Published on: March 25, 2011

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

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

Published on: March 18, 2019

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Published on: July 21, 2020

Area of Science:

Cognitive Neuroscience
Ophthalmology
Neuroscience

Background:

Previous research suggested a link between movement execution and attentional allocation, citing absent cueing effects in paralytic strabismus.
This interpretation implied that attentional shifts were dependent on motor control.

Purpose of the Study:

To investigate the impact of visual cues on spatial attention.
To challenge the notion of an obligate linkage between movement execution and attentional allocation in paralytic strabismus.

Main Methods:

Two experiments measured response latencies to visual cues.
Spatial attention shifts were facilitated or inhibited by cue placement.
A no-cue condition assessed cue-induced attentional modulation.

Main Results:

Patients with paralytic strabismus demonstrated typical cue-target interactions in response latencies.
Faster responses were observed for targets near cues, and slower responses for targets distant from cues.
Patient data largely aligned with non-strabismic participants' attentional modulation patterns.

Conclusions:

Premotor structures may govern attentional shifts independently of effector systems.
Exogenous spatial attention is deployed in paralytic strabismus, contrary to prior assumptions.
Further research is needed to understand the mechanisms of attentional deployment in this population.