Limb Position Estimation - Shi, Ying
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An accurate sense of limb position is crucial to making movements. This book was dedicated to studying the mechanisms of how the brain estimates the limb position in space and the consequences of misestimation of limb position on movements. Two independent but related studies were performed. The first involved characterizing the neural mechanisms of limb position estimation in the non-human primate brain. Single unit recordings were obtained in area 5 of the posterior parietal cortex in order to examine the role of this area in estimating limb position based on visual and somatic signals…mehr

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Produktbeschreibung
An accurate sense of limb position is crucial to making movements. This book was dedicated to studying the mechanisms of how the brain estimates the limb position in space and the consequences of misestimation of limb position on movements. Two independent but related studies were performed. The first involved characterizing the neural mechanisms of limb position estimation in the non-human primate brain. Single unit recordings were obtained in area 5 of the posterior parietal cortex in order to examine the role of this area in estimating limb position based on visual and somatic signals (proprioceptive, efference copy). The second part of this book is focused on the consequences of misestimation of limb position for movement production. We used biomechanical modeling and simulation techniques to characterize movement variability resulting from noise in estimating limb position ('sensing noise') and in planning required movement vectors ('planning noise'), and compared that to the variability expected due to noise in movement execution.
Autorenporträt
The author spent about 5 years studying the neural mechanisms of limb position estimation under the guidance of Christopher Buneo. Now she is working in Caltech with Richard Andersen, a fellow member of American Academy of Arts & Sciences, on revolutionizing neuroprosthetics.