Related Experiment Video
Updated: Jan 30, 2026
07:30
Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum
Published on: March 21, 2019
8.3K
Temporal differences in eye-hand coordination between children and adults during manual action on objects.
Hye Jin Kim1, Cho Hee Lee1, Eun Young Kim1
1Soonchunhyang University, South Korea.
Hong Kong Journal of Occupational Therapy : HKJOT
|January 16, 2019
Summary
Children exhibit distinct eye-hand coordination patterns compared to young adults, with shorter temporal spans during object manipulation. These findings highlight age-related development in visual-motor integration crucial for daily activities.
Area of Science:
- Developmental neuroscience
- Motor control
- Human factors
Background:
- Eye-hand coordination is vital for daily living and matures with age.
- Understanding developmental changes in visual-motor integration is crucial.
Purpose of the Study:
- To investigate the temporal dynamics of visual fixation and hand movements during object interaction in children and young adults.
- To compare eye-hand coordination temporal patterns between age groups.
Main Methods:
- Participants: 12 eight-year-old children and 12 young adults.
- Task: Jebsen-Taylor Hand Function Test (JTT) with eye-tracking.
- Measures: Eye-hand arrival span, eye-hand departure span, and JTT performance time.
Main Results:
- Children demonstrated longer overall JTT performance times but shorter eye-hand arrival and departure spans than young adults.
- Significant differences in eye-hand arrival span were observed for both hands between age groups.
- Eye-hand arrival span positively correlated with eye-hand departure span, suggesting a unified coordination mechanism.
Conclusions:
- Significant temporal differences in eye-hand coordination exist between children and young adults.
- Temporal visual fixation patterns during object manipulation offer insights into the sensorimotor system.
- Findings are relevant for occupational therapy and understanding developmental motor skills.
Related Concept Videos
01:24Muscle Coordination and Action
3.1K
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....
3.1K
02:57Coordination Number and Geometry
19.0K
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.
19.0K
02:54Coordination Compounds and Nomenclature
26.7K
In most main group element compounds, the valence electrons of the isolated atoms combine to form chemical bonds that satisfy the octet rule. For instance, the four valence electrons of carbon overlap with electrons from four hydrogen atoms to form CH4. The one valence electron leaves sodium and adds to the seven valence electrons of chlorine to form the ionic formula unit NaCl (Figure 1a). Transition metals do not normally bond in this fashion. They primarily form coordinate covalent bonds, a...
26.7K
02:33Lattice Centering and Coordination Number
11.5K
The structure of a crystalline solid, whether a metal or not, is best described by considering its simplest repeating unit, which is referred to as its unit cell. The unit cell consists of lattice points that represent the locations of atoms or ions. The entire structure then consists of this unit cell repeating in three dimensions. The three different types of unit cells present in the cubic lattice are illustrated in Figure 1.
Types of Unit Cells
Imagine taking a large number of identical...
Types of Unit Cells
Imagine taking a large number of identical...
11.5K
01:23Hand hygiene
6.0K
Asepsis is the practice of preventing or breaking the chain of infection. The nurse employs aseptic techniques to prevent the spread of microorganisms and reduce the risk of diseases. Hand hygiene is the cornerstone of aseptic techniques and is classified into medical and surgical asepsis. Medical asepsis includes hand hygiene and the use of gloves. Surgical asepsis, or the sterile technique, refers to practices that render and keep objects and areas free of microorganisms.
Hand washing...
Hand washing...
6.0K
01:21Equations of Motion: Rectangular Coordinates and Cylindrical Coordinates
771
Understanding the motion of particles is a fundamental aspect of classical mechanics, and the choice of the coordinate system plays a pivotal role in unraveling the complexities of their dynamics.
When a particle moves relative to an inertial frame, the equations of motion can be expressed using rectangular components. If the motion is confined to the x-y plane, the equations having the x and y coordinates only can be used to simplify the mathematical representation.
However, when particles...
When a particle moves relative to an inertial frame, the equations of motion can be expressed using rectangular components. If the motion is confined to the x-y plane, the equations having the x and y coordinates only can be used to simplify the mathematical representation.
However, when particles...
771