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Multisensory perception and action in 3-ball cascade juggling.
R Sánchez García1, S J Hayes, A M Williams
1Facultad de Ciencias de la Actividad Física y Deporte, Universidad Europea de Madrid, Spain.
Journal of Motor Behavior
|February 15, 2013
Summary
Altering ball weight significantly impacts juggling performance more than vision changes. Both factors cause jugglers to toss balls higher, increasing flight time for better control.
Area of Science:
- Motor control and human movement science
- Cognitive neuroscience
- Perceptual psychology
Background:
- Juggling involves complex integration of sensory information and motor commands.
- Understanding how visual and proprioceptive-haptic feedback influence skilled motor actions is crucial.
- Intermediate skill levels offer a unique window into the adaptability of motor systems.
Purpose of the Study:
- To investigate the effects of visual field restriction and ball weight manipulation on 3-ball cascade juggling.
- To determine the relative contributions of vision and proprioception-haptics in intermediate jugglers.
- To analyze kinematic changes in juggling performance under altered sensory and physical conditions.
Main Methods:
- Intermediate-skilled participants performed 3-ball cascade juggling.
- Vision was manipulated by restricting the lower visual field.
- Ball weight was altered between equal and unequal distributions.
Main Results:
- Both vision restriction and ball weight changes affected juggling performance.
- Ball weight manipulation had a more significant impact on performance outcomes and kinematic measures.
- A common adaptation was tossing balls to higher trajectories, increasing flight time.
Conclusions:
- Proprioception-haptic feedback during hand-ball interaction and visual feedback during toss/catch are vital for intermediate jugglers.
- Ball weight is a critical factor influencing the motor control strategies in juggling.
- Skilled motor actions demonstrate adaptability to altered sensory inputs and physical parameters.
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