Visuomotor channels: Their integration in goal-directed prehension |
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| Institution: | 1. Division of Rheumatology and Clinical Immunology, Humanitas Research Hospital, Rozzano, Milan, Italy;2. BIOMETRA Department, University of Milan, Milan, Italy;3. Research Center of Systemic Autoinflammatory Diseases and Behçet’s Disease Clinic, Department of Medical Sciences, Surgery and Neurosciences, University of Siena, Siena, Italy;4. Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Affiliated to Sackler Faculty of Medicine, Tel Aviv University, Israel;5. Department of Medicine, Wolfson Medical Center, Holon, Israel;6. Rheumatology, Department of Medicine, Sapienza University of Rome, Rome, Italy;7. Division of Clinical Immunology, Bnai-Zion Medical Center, Haifa, Israel;1. Department of Materials Science, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand;2. Department of Chemistry, Graduate University of Sciences, Kyushu University, Fukuoka 812-8581, Japan;3. Department of Molecular Physiology and Biophysics, Faculty of Medical Sciences, University of Fukui, Fukui 910-1193, Japan;4. College of Life Sciences, Ritsumeikan University, Kusatsu, Shiga 525-8577, Japan |
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| Abstract: | The visuomotor transformations for producing a grasping movement imply simultaneous control of different visual mechanisms. The size, orientation and 3D characteristics of the object have to be encoded for the selection of the appropriate opposition space, within which the opposition forces will be applied on the object surface. These mechanisms also have to combine with those of the transport of the hand to the object location. Finally, biomechanical constraints impose categorical visuomotor decisions for positioning the opposition space according to object changes in size, orientation and spatial location. This paper examines possible interactions between the specialized structures for visuomotor transformation and the internal model that adapts prehension to its goals.PsycINFO classification: 2300; 2323; 2380; 2500; 2540; 3297 |
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