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

Association Areas of the Cortex01:21

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,...
Parallel Processing01:20

Parallel Processing

The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
Visual System01:26

Visual System

Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
Gestalt Principles of Perception01:21

Gestalt Principles of Perception

Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
Vision01:24

Vision

Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
Anatomy of the Eyeball01:20

Anatomy of the Eyeball

The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle layer, the vascular tunic,...

You might also read

Related Articles

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

Sort by
Same author

Altered theta distribution and coherence during set-shifting in older age.

Neurobiology of aging·2026
Same author

Shape-transitions of a morphing illusory contour can be decoded during multiple-object tracking from the ongoing EEG.

Communications psychology·2026
Same author

Motor learning induces myelin-related white matter changes revealed by MRI-based in vivo histology.

Communications biology·2026
Same author

Cortical network modulations associated with prolonged training of the multiple object-tracking task.

Imaging neuroscience (Cambridge, Mass.)·2025
Same author

Frontal theta oscillations and cognitive flexibility: Age-related modulations in EEG activity.

Aging brain·2025
Same author

Longitudinal Changes of Quantitative Brain Tissue Properties Induced by Balance Training.

Human brain mapping·2025
Same journal

Vestibular function drives gaze stability in locomoting macaques.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

Region- and layer-specific glutamatergic synapse development in the nascent cortical hierarchy.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

Endogenous peptide derived from c-Cbl-associated protein counteracts its inhibitory effect on enteric neural crest cell colonization in Hirschsprung disease.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

Drowsiness alters the neural dynamics but not the core computations of multisensory integration.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

A Matter of Parameters: Tailored Transcranial Focused Ultrasound Enhances Cortico-Thalamo-Cortical Circuit Resonance.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

Proactive visual and motor prioritization differentially scale with cue reliability.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
See all related articles

Related Experiment Video

Updated: May 17, 2026

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

Separable mechanisms underlying global feature-based attention.

Rowena Bondarenko1, Carsten N Boehler, Christian M Stoppel

  • 1Leibniz Institute for Neurobiology, 39118 Magdeburg, Germany.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|November 2, 2012
PubMed
Summary
This summary is machine-generated.

Global feature-based attention selects visual information across the entire visual field, not just the focus. This study reveals a hierarchical sequence in the brain for this selection process, prioritizing task relevance.

More Related Videos

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
09:37

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control

Published on: July 5, 2015

Related Experiment Videos

Last Updated: May 17, 2026

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

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
09:37

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control

Published on: July 5, 2015

Area of Science:

  • Cognitive Neuroscience
  • Visual Perception
  • Attention Mechanisms

Background:

  • Feature-based attention operates globally, independent of spatial focus.
  • Understanding the spatiotemporal dynamics of global feature selection is crucial.

Purpose of the Study:

  • To characterize the spatiotemporal signature of global orientation feature selection using electromagnetic recordings.
  • To differentiate functional components of global feature-based selection.

Main Methods:

  • Electromagnetic recordings (MEG/EEG) in human observers.
  • Orientation-discrimination task with ignored orientation probes.
  • Analysis of brain responses to unattended probes to index global selection.

Main Results:

  • Global feature-based selection comprises separable components: 'template matching' and 'discrimination matching'.
  • 'Template matching' (based on task relevance) precedes 'discrimination matching' (based on sensory similarity) by ~80 ms.
  • Both components originate from ventral extrastriate cortex, with distinct spatial distributions suggesting hierarchical processing.

Conclusions:

  • Global feature-based selection involves a sequence of hierarchically ordered operations in extrastriate visual cortex.
  • Selection based on task relevance ('template matching') has temporal priority over selection based on sensory similarity ('discrimination matching').
  • This provides insight into the neural mechanisms underlying global attentional selection.