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Updated: Jul 11, 2026
07:30
Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum
Published on: March 21, 2019
Perceptual-motor coordination in persons with mild intellectual disability
Eli Carmeli1, Tamar Bar-Yossef, Claudette Ariav
1Physical Therapy Department, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Tel Aviv 69978, Israel. elie@post.tau.ac.il
Disability and Rehabilitation
|September 14, 2007
Summary
Adults with intellectual disabilities (ID) show deficits in hand-eye coordination compared to typical adults. This study highlights difficulties in integrating visual information with motor actions in individuals with ID.
Area of Science:
- Neuroscience
- Developmental Psychology
- Motor Control Research
Background:
- Limited experimental data exists on motor control deficits in individuals with intellectual disabilities (ID).
- This study represents a novel evaluation of motor coordination in adults with ID.
Purpose of the Study:
- To assess the relationship between cognitive ability and sensorimotor integration.
- To test the hypothesis that adults with ID exhibit poorer hand-eye coordination than typical adults (TA).
Main Methods:
- A mixed experimental design compared 42 adults with ID to 48 age-matched TA.
- Participants completed four motor coordination tests (Box-and-Blocks, Grooved-Pegboard, Stick Catching, Beanbag-Throw) twice.
- Pearson correlations and ANOVAs were employed for statistical analysis (p < 0.05).
Main Results:
- TA consistently outperformed the ID group across all motor coordination tests.
- TA demonstrated a significant hand preference, while individuals with ID showed no hand preference.
- Test-retest reliability coefficients were moderate to strong for most tests in both groups.
Conclusions:
- Intellectual disability is associated with an impaired ability to integrate visual input with hand movements.
- Difficulties in perceptual-motor coordination may impact daily living activities and social participation.
- Assessing motor coordination in adults with ID can aid in understanding the condition and inform rehabilitation strategies.
Related Concept Videos
01:29Intellectual Disability
Intellectual disability (ID) is a neurodevelopmental condition characterized by deficits in intellectual and adaptive functioning that manifest during the developmental period. This condition encompasses challenges in reasoning, memory, problem-solving, and learning, accompanied by impairments in everyday life skills, such as communication, self-care, and social interactions. Intellectual disability affects approximately 1% of the population in the United States, impacting an estimated 5...
01:18Hierarchy of Motor Control
The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.
01:12Visual Agnosia
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 end"...