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Getting a Grasp on Coordination.

P. Weiss¹, M. Jeannerod

¹Dept. of Neurology, Heinrich-Heine-University, Moorenstr. 5 40225 Düsseldorf, Germany.

News in Physiological Sciences : an International Journal of Physiology Produced Jointly by the International Union of Physiological Sciences and the American Physiological Society

|June 8, 2001

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The nervous system controls motor coordination at multiple levels, from single limb movements to complex inter-limb timing. Neurological deficits highlight the distinct roles of various motor areas in achieving this coordination.

Area of Science:

Neuroscience
Motor Control
Biomechanics

Background:

Motor coordination involves complex neural processes at various levels.
Limb coordination is understood through controlled parameters in Cartesian or joint space.
Inter-limb coordination emphasizes temporal control of motor schemas.

Purpose of the Study:

To elucidate the hierarchical organization of motor coordination within the nervous system.
To differentiate the neural control mechanisms for intra-limb versus inter-limb movements.
To investigate the contribution of specific motor areas to motor coordination deficits.

Main Methods:

Review of existing literature on motor control and neuroscience.
Analysis of theoretical models of motor coordination.

Related Experiment Videos

Case studies of neurological patients with motor deficits.

Main Results:

Motor coordination is hierarchically organized, with distinct neural substrates for different levels.
Intra-limb coordination relies on parameter control (Cartesian/joint space).
Inter-limb coordination is governed by temporal sequencing of motor schemas.

Conclusions:

The nervous system employs distinct strategies for coordinating movements within and between limbs.
Understanding these distinct mechanisms is crucial for diagnosing and treating motor coordination disorders.
Neurological evidence supports the functional specialization of motor areas in motor control.