
pmid: 11392457
There are currently three main views on the neural basis of visually guided reaching: 1) neurons in the superior parietal lobe guide arm movements in a spatial framework that is centered on the body; 2) neurons in the intraparietal sulcus guide arm movements in a spatial framework that is centered on the eye; 3) neurons in the caudal part of premotor cortex guide arm movements in a spatial framework that is centered on the arm and hand. The three viewpoints are mutually compatible and may fit into a larger pattern. Eye-centered representations of target position, and body-centered representations of arm and hand position, may be integrated to form a hand-centered representation close to the output stage in caudal premotor and primary motor cortex.
Neurons, Hand Strength, Movement, Motor Cortex, Hand, Orientation, Parietal Lobe, Space Perception, Animals, Humans, Psychomotor Performance
Neurons, Hand Strength, Movement, Motor Cortex, Hand, Orientation, Parietal Lobe, Space Perception, Animals, Humans, Psychomotor Performance
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