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Updated: Oct 11, 2025
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Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
Published on: April 16, 2014
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Influence of colour on object motor representation
Gioacchino Garofalo1, Lucia Riggio1
1Department of Medicine and Surgery, University of Parma, Italy.
Neuropsychologia
|December 3, 2021
Summary
Color significantly influences how the brain plans movements, impacting grasp representations. This research reveals a close link between an object's color, its shape, and our sensorimotor system.
Area of Science:
- Cognitive Neuroscience
- Motor Control
- Visual Perception
Background:
- Object recognition extensively studies color's role, but its impact on sensorimotor processes remains less understood.
- The motor representation of graspable objects is crucial for effective interaction with the environment.
Purpose of the Study:
- To investigate whether object color influences the motor representation of graspable objects.
- To explore the interplay between color, shape, and sensorimotor control.
- To examine specific motor responses to dangerous objects based on their color.
Main Methods:
- Three experiments involving reach-to-grasp movements were conducted.
- A grasp compatibility task assessed reaction times for objects presented in correct or incorrect colors.
- An interference task evaluated the effect of irrelevant object color on pre-specified movements.
Main Results:
- Faster reaction times were observed for natural objects in their correct color compared to artifacts or objects with incorrect colors.
- A reversed compatibility effect emerged for correctly colored objects at early movement stages (10 ms SOA).
- Distinct motor processes were identified for dangerous natural objects, confirming color's influence on grasp planning.
Conclusions:
- Color plays a significant role in the motor system, influencing object motor representations.
- There is a close link between an object's color and its perceived shape in sensorimotor planning.
- The motor system exhibits specific processing for dangerous objects, modulated by color cues.
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