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

Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

5.9K
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
5.9K
Focusing of Light in the Eye01:16

Focusing of Light in the Eye

2.5K
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...
2.5K
Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

602
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.
602

You might also read

Related Articles

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

Sort by
Same author

Body-Related Visual Biasing Affects Accuracy of Reaching.

Brain sciences·2025
Same author

Modeling Electric Fields in Transcutaneous Spinal Direct Current Stimulation: A Clinical Perspective.

Biomedicines·2023
Same author

Cognitive Training Improves Disconnected Limbs' Mental Representation and Peripersonal Space after Spinal Cord Injury.

International journal of environmental research and public health·2021
Same author

Anatomo-Functional Origins of the Cortical Silent Period: Spotlight on the Basal Ganglia.

Brain sciences·2021
Same author

Visuo-motor and interoceptive influences on peripersonal space representation following spinal cord injury.

Scientific reports·2020
Same author

Identification of new susceptibility loci for osteoarthritis (arcOGEN): a genome-wide association study.

Lancet (London, England)·2012

Related Experiment Video

Updated: Jun 11, 2025

Author Spotlight: Insights into the Analysis of Human Interaction with 3D Virtual Objects
06:36

Author Spotlight: Insights into the Analysis of Human Interaction with 3D Virtual Objects

Published on: October 18, 2024

900

Degraded Visibility Body-Specifically Affects Mental Rotation.

Zoé Rotach1, Claude Beazley1, Silvio Ionta1

  • 1Sensory-Motor Lab (SeMoLa), Department of Ophthalmology-University of Lausanne, Jules Gonin Eye Hospital-Fondation Asile des Aveugles, 1004 Lausanne, Switzerland.

Behavioral Sciences (Basel, Switzerland)
|September 28, 2024
PubMed
Summary

Visual degradation alters body perception, shifting mental representation strategies for hands and feet but not the whole body. This highlights how sensory changes impact our cognitive strategies for body image.

Keywords:
body representationmental imagerysensorimotorvisual impairmentvisuospatial

More Related Videos

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
09:49

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

25.0K
Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine
07:05

Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine

Published on: October 27, 2016

9.2K

Related Experiment Videos

Last Updated: Jun 11, 2025

Author Spotlight: Insights into the Analysis of Human Interaction with 3D Virtual Objects
06:36

Author Spotlight: Insights into the Analysis of Human Interaction with 3D Virtual Objects

Published on: October 18, 2024

900
Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
09:49

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

25.0K
Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine
07:05

Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine

Published on: October 27, 2016

9.2K

Area of Science:

  • Cognitive Neuroscience
  • Human Perception
  • Body Representation

Background:

  • Perception of one's own body is influenced by sensory input.
  • Visual degradation can cause shifts in the reference frame for mental body representation.
  • Previous studies focused on hand representation, leaving other body parts unexplored.

Purpose of the Study:

  • To investigate if visual degradation affects mental representation of hands, feet, and full body.
  • To determine if sensory input reduction induces body-specific visual-to-motor shifts.
  • To explore how altered sensory input modulates cognitive strategies in body representation.

Main Methods:

  • 35 neurotypical participants performed mental rotation tasks (laterality judgment) on hand, foot, and full-body images.
  • Image visibility was manipulated by altering figure/background contrast.
  • Response times (RT) were analyzed in relation to visibility changes and image viewpoint.

Main Results:

  • Reduced image visibility steepened RT slopes for mental rotation of hands (palm view) and feet (dorsum view).
  • No significant changes in RT slopes were observed for full-body images.
  • Steeper RT slopes suggest a shift towards motor-based strategies, while flatter slopes indicate vision-based strategies.

Conclusions:

  • Visual deterioration induces body-specific shifts between motor- and vision-based cognitive strategies for mental body representation.
  • The brain adapts body representation strategies based on sensory input availability.
  • These findings reveal the dynamic nature of body perception and cognitive strategy modulation.