Till Bockemühl

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A central question in motor control is how the central nervous system (CNS) deals with redundant degrees of freedom (DoFs) inherent in the musculoskeletal system. One way to simplify control of a redundant system is to combine several DoFs into synergies. In reaching movements of the human arm, redundancy occurs at the kinematic level because there is an(More)
We investigated hand kinematics of grasping movements towards spherical objects that systematically varied in size. Kinematic data was analyzed using principal component analysis (PCA) in order to extract movement synergies. On top of this we also analysed mental representations of grasping movements using a hierarchical sorting paradigm called Structure(More)
Substantial evidence suggests that nervous systems simplify motor control of complex body geometries by use of higher level functional units, so called motor primitives or synergies. Although simpler, such high level functional units still require an adequate controller. In a previous study, we found that kinematic interjoint couplings allow the extraction(More)
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