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

2.7K
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.
2.7K
Gestalt Principles of Perception01:21

Gestalt Principles of Perception

1.9K
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...
1.9K
Vision01:24

Vision

48.6K
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.
48.6K
Visual System01:26

Visual System

2.3K
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...
2.3K
Perceptual Constancy01:12

Perceptual Constancy

1.8K
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...
1.8K
Focusing of Light in the Eye01:16

Focusing of Light in the Eye

6.2K
Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
6.2K

You might also read

Related Articles

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

Sort by
Same author

Assessing Shifts in Research Priority Areas From the Neurological Community Before and After the COVID-19 Pandemic.

Health expectations : an international journal of public participation in health care and health policy·2026
Same author

When stripes in clothes deceive: Cross-cultural examination of perceptual and belief discrepancies about horizontal stripes in clothes.

PloS one·2026
Same author

Finding the forest in the trees: Using machine learning and online cognitive and perceptual measures to predict adult autism diagnosis.

Translational psychiatry·2026
Same author

Mask contrast and size do not alter suppression depth in the tracking continuous flash suppression paradigm.

Journal of vision·2026
Same author

Breakthrough thresholds in continuous flash suppression are tuned to mask temporal frequency but suppression depth is constant.

Journal of vision·2026
Same author

A minimal physiological model of perceptual suppression and breakthrough in visual rivalry.

Journal of vision·2026

Related Experiment Video

Updated: May 5, 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

1.0K

Touch influences visual perception with a tight orientation-tuning.

Onno van der Groen1, Erik van der Burg, Claudia Lunghi

  • 1Department of Cognitive Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.

Plos One
|November 19, 2013
PubMed
Summary
This summary is machine-generated.

Touch can influence vision, even in early processing stages. Congruent haptic input lowers visual contrast thresholds, suggesting tactile signals directly impact orientation-tuned visual brain areas.

More Related Videos

Visualizing Visual Adaptation
04:43

Visualizing Visual Adaptation

Published on: April 24, 2017

8.6K
Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
07:24

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

Published on: August 22, 2025

654

Related Experiment Videos

Last Updated: May 5, 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

1.0K
Visualizing Visual Adaptation
04:43

Visualizing Visual Adaptation

Published on: April 24, 2017

8.6K
Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
07:24

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

Published on: August 22, 2025

654

Area of Science:

  • Neuroscience
  • Sensory processing
  • Cross-modal integration

Background:

  • Sensory stimuli are initially processed in distinct unisensory areas before multisensory convergence.
  • Cross-modal influences may occur early, even within unisensory areas.
  • Previous studies on haptic-visual interactions are limited by potential response biases.

Purpose of the Study:

  • To investigate genuine cross-modal integration of haptic and visual signals.
  • To determine if haptic input influences visual contrast sensitivity.
  • To eliminate response bias in psychophysical testing.

Main Methods:

  • Three psychophysical experiments using a two-interval, two-alternative forced-choice method.
  • Assessed visual contrast sensitivity to gratings under congruent and incongruent haptic conditions.
  • Mapped orientation and spatial frequency tuning of haptic influence on vision.

Main Results:

  • Congruent haptic input (iso-oriented gratings) lowered visual contrast thresholds.
  • Incongruent haptic input (orthogonally oriented gratings) significantly reduced visual sensitivity.
  • A clear orientation tuning effect was observed, but not spatial frequency tuning.

Conclusions:

  • Tactile input directly influences visual processing in early, orientation-tuned visual areas.
  • This demonstrates genuine cross-modal integration between haptics and vision.
  • Haptic information modulates visual contrast sensitivity based on orientation congruence.