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

Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

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.
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...
Perceptual Constancy01:12

Perceptual Constancy

Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
Color Vision01:24

Color Vision

Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
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.
Cognitive Learning01:21

Cognitive Learning

Cognitive learning is based on purposive behavior, incidental learning, and insight learning.
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
Tolman introduced the idea that behavior is influenced by...

You might also read

Related Articles

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

Sort by
Same author

Category fluency and creative potential in semantic aphasia.

Journal of neuropsychology·2025
Same author

A meta-analysis of functional magnetic resonance imaging studies of divergent thinking using activation likelihood estimation.

Human brain mapping·2020
Same author

A systematic investigation of conceptual color associations.

Journal of experimental psychology. General·2019
Same author

Chromatic Perceptual Learning but No Category Effects without Linguistic Input.

Frontiers in psychology·2016
Same author

Surface adsorption and electrochemical reduction of 2,4,6-trinitrotoluene on vanadium dioxide.

Analytical chemistry·2014
Same author

Tactile elevation perception in blind and sighted participants and its implications for tactile map creation.

Human factors·2009

Related Experiment Video

Updated: May 22, 2026

Creating Objects and Object Categories for Studying Perception and Perceptual Learning
14:38

Creating Objects and Object Categories for Studying Perception and Perceptual Learning

Published on: November 2, 2012

Modeling learned categorical perception in human vision.

Matthew C Casey1, Paul T Sowden

  • 1Department of Computing, University of Surrey, UK. m.casey@surrey.ac.uk

Neural Networks : the Official Journal of the International Neural Network Society
|May 25, 2012
PubMed
Summary
This summary is machine-generated.

Task learning influences perception, particularly categorical perception (CP). A neural model shows that high-level task influence on later visual processing stages is sufficient for CP, but human effects may involve earlier stages too.

More Related Videos

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
07:34

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Published on: June 3, 2013

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss
07:12

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

Published on: April 11, 2025

Related Experiment Videos

Last Updated: May 22, 2026

Creating Objects and Object Categories for Studying Perception and Perceptual Learning
14:38

Creating Objects and Object Categories for Studying Perception and Perceptual Learning

Published on: November 2, 2012

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
07:34

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Published on: June 3, 2013

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss
07:12

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

Published on: April 11, 2025

Area of Science:

  • Cognitive Neuroscience
  • Computational Neuroscience
  • Visual Perception

Background:

  • Perceptual processing is influenced by prior knowledge and task experience.
  • Learned categorical perception (CP) demonstrates superior discrimination of stimuli across categories.
  • The precise neural locus and mechanisms of task influence on visual processing remain debated.

Purpose of the Study:

  • To investigate whether task influence on later stages of visual analysis can generate the categorical perception (CP) effect.
  • To explore the mechanisms underlying task-based influences on perception using a biologically motivated neural model.
  • To evaluate the extent to which early versus late visual processing stages are modified by task learning.

Main Methods:

  • Developed a biologically motivated neural model of hierarchical visual processing.
  • Simulated task learning influencing only the later stages of visual analysis.
  • Assessed the model's ability to exhibit the categorical perception (CP) effect.

Main Results:

  • Task learning in later visual processing stages was sufficient to generate the CP effect in the model.
  • The model demonstrated a mechanism requiring only high-level task influence for CP.
  • The model's CP effect generalized more widely than observed in human participants.

Conclusions:

  • Task-based influences on perception can be mediated by high-level task learning in later processing stages.
  • The findings suggest a hybrid account of task influence, involving both output utilization and potential modifications of early visual analysis.
  • Human categorical perception may involve changes in earlier visual analysis stages, even if not essential for CP development.