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The role of proprioceptive feedback in Parkinsonian resting tremor.
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Conf Proc IEEE Eng Med Biol Soc 2013 Jul; 2013:4969-72
Authors: Nikhil Govil, Abraham Akinin, Samuel Ward, Joseph Snider, Markus Plank, Gert Cauwenberghs, Howard Poizner
In this paper we use a closed-loop force feedback system to investigate the effect of altering proprioceptive feedback on EEG and resting tremor in Parkinson's Disease. A velocity dependent counterforce simulating viscous friction was provided by haptic robots with simultaneous recording of kinematics, EMG and EEG while a patient was on and off dopaminergic medication' We were able to reduce the amplitude of the tremor. We also showed that force feedback shifts the center of EEG-EMG coherence posteriorly toward the somatosensory regions, which may have ramifications for noninvasive therapies.
PMID: 24110850 [PubMed - as supplied by publisher]