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The Neuroscientist
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The Cortical Control of Visually Guided Grasping

Umberto Castiello

Dipartimento di Psicologia Generale Università di Padova, Padova, Italy, umberto.castiello{at}unipd.it

Chiara Begliomini

Dipartimento di Psicologia Generale Università di Padova, Padova, Italy

People have always been fascinated by the exquisite precision and flexibility of the human hand. When hand meets object, we confront the overlapping worlds of sensorimotor and cognitive functions. The complex apparatus of the human hand is used to reach for objects, grasp and lift them, manipulate them, and use them to act on other objects. This review examines what is known about the control of the hand by the cerebral cortex. It compares and summarizes results from behavioral neuroscience, electrophysiology, and neuroimaging to provide a detailed description of the neural circuits that facilitate the formation of grip patterns in human and nonhuman primates. NEUROSCIENTIST 14(2):157—170, 2008. DOI: 10.1177/1073858407312080

Key Words: KEY WORDS Reach-to-grasp • Functional imaging • Parietal cortex • Frontal cortex • Primary motor cortex • Transcranial magnetic stimulation

This version was published on April 1, 2008

The Neuroscientist, Vol. 14, No. 2, 157-170 (2008)
DOI: 10.1177/1073858407312080
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