Related Experiment Video
Updated: Mar 21, 2026
12:39
A Methodology for Capturing Joint Visual Attention Using Mobile Eye-Trackers
Published on: January 18, 2020
8.3K
The role of shared visual information for joint action coordination
Cordula Vesper1, Laura Schmitz1, Lou Safra2
1Department of Cognitive Science, Central European University, Oktober 6 utca 7, 1051 Budapest, Hungary.
Cognition
|May 17, 2016
Summary
Joint action partners adjust their coordination strategies based on available shared information. Visual cues prompt a shift from constant movement duration to exaggerated movement to signal arrival times.
Area of Science:
- Cognitive Psychology
- Social Neuroscience
- Human Motor Control
Background:
- Effective joint action relies on coordination processes.
- The factors influencing the selection of specific coordination strategies remain unclear.
Purpose of the Study:
- To investigate if shared visual information influences the coordination processes used in joint actions.
- To determine how co-actors adapt their strategies based on perceptual feedback.
Main Methods:
- Pairs of participants performed a synchronized movement task to a shared target.
- Experimental conditions varied the type of feedback provided (auditory only vs. auditory and visual).
- Coordination strategies were analyzed based on movement kinematics.
Main Results:
- With auditory feedback alone, participants maintained constant movement duration for coordination.
- With added visual information, participants shifted to exaggerating movement curvature to signal timing.
- Shared visual information significantly altered the employed coordination mechanisms.
Conclusions:
- The availability of shared perceptual information is a key determinant of joint action coordination.
- Individuals dynamically adjust their coordination strategies in response to the sensory environment.
- Understanding perceptual influences is crucial for explaining human joint action outcomes.
Related Concept Videos
01:24Muscle Coordination and Action
3.5K
Muscle coordination is a complex and finely tuned process essential for smooth and purposeful movements like flexion, extension, adduction, abduction, and rotation. The human body orchestrates the actions of various muscles working in concert, each with a specific role. Four functional types describe how muscles work together: agonist, antagonist, synergist, and fixator.
Agonists
Agonist muscles, often called prime movers, are the primary muscles responsible for producing a specific movement....
Agonists
Agonist muscles, often called prime movers, are the primary muscles responsible for producing a specific movement....
3.5K
01:15Depth Perception and Spatial Vision
2.6K
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.
2.6K
01:26Visual System
2.2K
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...
Once through the pupil, the light passes through the lens, a...
2.2K
01:24Vision
61.3K
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.
61.3K
01:12Visual Agnosia
1.6K
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...
1.6K
02:57Coordination Number and Geometry
19.5K
For transition metal complexes, the coordination number determines the geometry around the central metal ion. Table 1 compares coordination numbers to molecular geometry. The most common structures of the complexes in coordination compounds are octahedral, tetrahedral, and square planar.
19.5K