S5-1 Coordination Dynamics
Sensorimotor Constraints in Perceptual-Motor Coordination
Page 1
Introduction to Sensorimotor Constraints
Discusses perceptual-motor coordination and dynamics.
Page 2
Coordination Dynamics
Inter-limb Coordination
Bimanual movement serves as a model for coordination study.
Coordinative Structures
Concept of rules governing coordination patterns.
Stability of Coordination Patterns
Examination of stability and transitions between coordination patterns.
Page 3
Objectives of Coordination Dynamics
Bimanual Coordination
Explains bimanual coordination and sensorimotor constraints leading to synchronization.
Coordinative Structures
Definition of coordinative structures.
von Holst's Rules
Understanding von Holst's coordination principles.
Page 4
Concept of Coordination Dynamics
Coordination Dynamics as solving the problem of many degrees of freedom in movement.
Focus on spatial, temporal, and functional patterns.
Page 5
Research Study on Two-Handed Movements
Exploring coordination through simultaneous initiation and termination of movements.
Key Findings:
Kinematic data show tight coupling and synchronous timing despite speed differences.
Brain organizes movements into functional muscle groupings.
Page 6
Experiment Inquiry
Investigates response of individuals to varying targets’ amplitude and precision.
Page 7 and 9
Bimanual Coordination Modes
Classification into symmetric and asymmetric movements.
Page 8
Data and Timing Analysis
Graphs illustrating performance differences between difficult and easy targets in relation to timing.
Page 10
Movement Trajectories
Variation in hand movements during coordination tasks.
Page 11
Functional Linkages in Coordination
Exploration of how individuals constrain movement for coordination tasks.
Importance of reducing independent components for stability.
Page 12
Coordinative Structures and Brain Function
Brain's ability to create simultaneous actions and maximize efficiency in movements.
Page 13 to 16
von Holst's Studies
Examines movement coordination between fins in fish and patterns of locomotion in centipedes.
Observations on coordination structure and performance stability.
Page 17
Von Holst's Coordination Dynamics
Maintenance Tendency
Dorsal fin maintains its rhythm.
Magnet Effect
Attraction effect in coordination between limbs.
Page 19
Rules of Coordination
Limited performance patterns characterized by stability.
Stability maintained until critical conditions trigger a transition.
An inherent tendency towards more stable states.
Page 21
Pattern Transitions in Coordination
Neuronal and mechanical influences on coordination stability.
Page 22
Objectives of Pattern Transitions
Discuss key features of transitions in coordination patterns and their stability.
Page 23
Critical Behavior during Bimanual Coordination
Observations of shifting phase states as frequency changes in movements.
Page 24 to 28
Pattern Transition Dynamics
Describes phase (0° and 180°) relations in coordination patterns and stability dynamics.
Page 29
Egocentric vs Allocentric Constraints
Examination of muscle activation relations in coordination movements.
Page 30 to 32
Study on Bimanual Coordination Stability
Investigates synchrony of muscle activation patterns and their implications for stability.
Page 33 to 43
Modulation of Cortical and Spinal Excitability
Discusses how rhythmic movements affect excitability in motor pathways.
Page 44
Transition Patterns in Coordination
A summary of the patterns observed during coordination tasks.
Page 45
Experimental Psychology Studies on Phase Transitions
Findings regarding visual coordination and its impact on rhythmic movements.
Page 47
Recap of von Holst's Coordination Rules
Emphasizes the stability and transition dynamics of patterns in coordination.