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The planning and control of reaching movements
1WM Keck Foundation Center for Integrative Neuroscience and Department of Physiology, University of California, San Francisco, CA 94143-0444, USA. sabes@phy.ucsf.edu
Current Opinion in Neurobiology
|March 10, 2001
Summary
Internal models are key to understanding visually guided reaching. This research explores how the brain uses predictions from internal models, feedforward control, and sensory feedback for precise arm movements.
Area of Science:
- Neuroscience
- Motor Control
- Computational Neuroscience
Background:
- Internal models are crucial for understanding visually guided reaching.
- This framework helps address challenges like rapid target changes and multi-joint arm control.
Purpose of the Study:
- To investigate the role of internal models in visually guided reaching.
- To understand how the brain integrates various control mechanisms for arm movement.
Main Methods:
- Theoretical framework of internal models applied to motor control research.
- Analysis of how feedforward control, sensory feedback, and predictions interact.
Main Results:
- Internal models provide insights into rapid adaptation to target location changes.
- Enhanced understanding of fine control over multi-joint arm dynamics.
Conclusions:
- The brain integrates feedforward signals, sensory feedback, and internal model predictions.
- Advances in understanding visually guided reaching are driven by internal model research.