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

Visual Agnosia01:12

Visual Agnosia

1.8K
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...
1.8K
Prosopagnosia01:24

Prosopagnosia

1.2K
Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
1.2K
Gestalt Principles of Perception01:21

Gestalt Principles of Perception

1.8K
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...
1.8K
Somatosensation01:33

Somatosensation

45.9K
The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
45.9K
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

You might also read

Related Articles

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

Sort by
Same author

Lymphocyte Micronucleus Formation Is Driven by Inflammation-Induced Oxidative DNA Damage in Oesophageal Cancer Development.

International journal of cancer·2026
Same author

Working memory load attenuates the match effect in sentence-picture verification.

Memory & cognition·2026
Same author

Familial medullary thyroid carcinoma secondary to an <i>SLC30A9</i> intragenic deletion and translation reinitiation.

medRxiv : the preprint server for health sciences·2026
Same author

Combating the Plague of Health Misinformation in Memes: Exploring the Influence of Transmission and Ritual Vaccine Messaging Using the Six-Segment Message Strategy Wheel.

Journal of health communication·2026
Same author

Blending emotion and logic in health messaging strategy: Audience perception of message appeals in anti- and pro-vaccination memes.

Health marketing quarterly·2025
Same author

Harnessing the power of an advanced in vitro 3D liver model and error-corrected duplex sequencing for the detection of mutational signatures.

Mutagenesis·2025

Related Experiment Video

Updated: Apr 15, 2026

Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans
10:51

Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans

Published on: January 15, 2018

9.0K

Grasp posture alters visual processing biases near the hands.

Laura E Thomas1

  • 1North Dakota State University laura.e.thomas@ndsu.edu.

Psychological Science
|April 12, 2015
PubMed
Summary

Hand posture influences visual processing. Power grasps enhance motion detection (temporal sensitivity), while precision grasps improve form perception (spatial sensitivity), showing how action affordances bias vision.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human-Computer Interaction

Background:

  • Visual perception is influenced by the proximity and potential use of objects.
  • Hand postures may differentially affect visual processing based on the type of action they afford.

Purpose of the Study:

  • To investigate if different hand postures (power grasp vs. precision grasp) differentially bias visual perception.
  • To determine if these biases are linked to specific visual processing capabilities.

Main Methods:

  • Participants performed global-motion-detection and global-form-perception tasks.
  • Hand postures were varied: power grasp, precision grasp, or in lap.
  • Performance metrics were analyzed for each condition.
Keywords:
embodied perceptionvisual processing

More Related Videos

Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping
09:41

Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping

Published on: April 21, 2023

2.4K
Block Building Task Identifies Distinct Groups of Left/Right-hand Choice Patterns After Unilateral Peripheral Nerve Injury
07:06

Block Building Task Identifies Distinct Groups of Left/Right-hand Choice Patterns After Unilateral Peripheral Nerve Injury

Published on: March 21, 2025

1.3K

Related Experiment Videos

Last Updated: Apr 15, 2026

Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans
10:51

Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans

Published on: January 15, 2018

9.0K
Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping
09:41

Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping

Published on: April 21, 2023

2.4K
Block Building Task Identifies Distinct Groups of Left/Right-hand Choice Patterns After Unilateral Peripheral Nerve Injury
07:06

Block Building Task Identifies Distinct Groups of Left/Right-hand Choice Patterns After Unilateral Peripheral Nerve Injury

Published on: March 21, 2025

1.3K

Main Results:

  • The power-grasp posture improved performance on the motion-detection task, indicating enhanced temporal sensitivity.
  • The precision-grasp posture improved performance on the form-perception task, indicating enhanced spatial sensitivity.
  • Control condition (hands in lap) showed no specific enhancement.

Conclusions:

  • Visual processing is modulated by the specific action affordances of hand postures.
  • Power grasps enhance temporal aspects of vision, supporting fast, forceful actions.
  • Precision grasps enhance spatial aspects of vision, supporting detailed, accurate actions.