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

Gestalt Principles of Perception01:21

Gestalt Principles of Perception

1.6K
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...
1.6K
Visual System01:26

Visual System

2.1K
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...
2.1K
Vision01:24

Vision

60.7K
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.
60.7K
Visual Agnosia01:12

Visual Agnosia

1.4K
Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
1.4K
Parallel Processing01:20

Parallel Processing

818
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...
818
Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

2.3K
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
2.3K

You might also read

Related Articles

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

Sort by
Same author

Computerized assessments of emotional expression and emotional reactivity predict negative symptoms in individuals at clinical high-risk for psychosis.

Psychological medicine·2026
Same author

Value representation in youth psychopathology: evidence of a transdiagnostic risk mechanism for psychosis.

Translational psychiatry·2026
Same author

Contrast sensitivity and subjective visual disturbances across the psychosis continuum.

Cognitive neuropsychiatry·2026
Same author

Impacted and preserved sub-domains of cognitive control in schizophrenia.

Neuropsychologia·2026
Same author

Premorbid adjustment problems, negative symptoms, and cognitive impairment in a large international sample at clinical high risk for psychosis: Findings from the Accelerating Medicines Partnership-Schizophrenia.

Schizophrenia bulletin·2026
Same author

Cerebral metabolism as an isolated predictor of 50% symptomatic improvement over 12 weeks of acute psychotic episode treatment in schizophrenia.

Journal of psychiatric research·2026
Same journal

Low prevalence targets are primarily missed due to mind wandering.

Attention, perception & psychophysics·2026
Same journal

An introduction to the special issue celebrating Mary A. Peterson.

Attention, perception & psychophysics·2026
Same journal

Properties of the threshold stimulus exposure duration (TSED) measure of visual search efficiency.

Attention, perception & psychophysics·2026
Same journal

Auditory selective attention in depth: Investigating directional dependency across front, lateral, and rear spaces.

Attention, perception & psychophysics·2026
Same journal

Dissociations between stereoacuity and visual acuity with binocular night vision goggles.

Attention, perception & psychophysics·2026
Same journal

Reward-based prioritization and perceptual feature effects on attentional flexibility in working memory.

Attention, perception & psychophysics·2026
See all related articles

Related Experiment Video

Updated: Feb 27, 2026

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

993

Visual training improves perceptual grouping based on basic stimulus features.

Daniel D Kurylo1, Richard Waxman2, Rachel Kidron2

  • 1Psychology Department, Brooklyn College CUNY, 2900 Bedford Avenue Brooklyn, New York, NY, 11210, USA. dkurylo@brooklyn.cuny.edu.

Attention, Perception & Psychophysics
|July 7, 2017
PubMed
Summary
This summary is machine-generated.

Visual training enhances perceptual grouping abilities across multiple dimensions, including luminance, color, orientation, and motion. This suggests plasticity in early visual processing, with some grouping mechanisms sharing neural resources.

Keywords:
Perceptual groupingPerceptual learningPerceptual organization

More Related Videos

Generating Strictly Controlled Stimuli for Figure Recognition Experiments
05:39

Generating Strictly Controlled Stimuli for Figure Recognition Experiments

Published on: March 18, 2019

5.6K
Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns
09:42

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

Published on: May 12, 2019

6.5K

Related Experiment Videos

Last Updated: Feb 27, 2026

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

993
Generating Strictly Controlled Stimuli for Figure Recognition Experiments
05:39

Generating Strictly Controlled Stimuli for Figure Recognition Experiments

Published on: March 18, 2019

5.6K
Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns
09:42

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

Published on: May 12, 2019

6.5K

Area of Science:

  • Cognitive Neuroscience
  • Visual Perception

Background:

  • Visual training enhances visual capacities by altering neural connectivity.
  • Perceptual grouping involves integrating visual information to form coherent wholes.

Purpose of the Study:

  • To investigate if training improves perceptual grouping abilities.
  • To determine if training effects generalize across different grouping dimensions (luminance, color, orientation, motion).

Main Methods:

  • Thirty-six participants trained on a visual discrimination task requiring perceptual grouping for 15 sessions.
  • Stimuli included dot or Gabor patch arrays, with grouping based on luminance, color, orientation, or motion similarity.
  • Psychophysical thresholds for grouping were measured before and after training.

Main Results:

  • Training significantly improved grouping performance across all four dimensions.
  • A control condition without grouping yielded no improvement.
  • Training on luminance and orientation generalized to color grouping but not motion grouping.

Conclusions:

  • Training emphasizing stimulus integration enhances perceptual grouping.
  • Neural mechanisms for luminance and orientation grouping partially support color grouping.
  • Motion grouping appears to rely on distinct neural resources, showing no generalization from other trained dimensions.