Online Tremor Suppression Using Electromyography and Low Level Electrical Stimulation. Dosen, S.; Muceli, S.; Dideriksen, J.; Romero, J.; Rocon, E.; Pons, J.; and Farina, D. IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society, 4320(c):1-11, 7, 2014.
Online Tremor Suppression Using Electromyography and Low Level Electrical Stimulation. [pdf]Paper  Online Tremor Suppression Using Electromyography and Low Level Electrical Stimulation. [link]Website  abstract   bibtex   
Tremor is one of the most prevalent movement disorders. There is a large proportion of patients (around 25%) in whom current treatments do not attain a significant tremor reduction. This paper proposes a tremor suppression strategy that detects tremor from the electromyographic signals of the muscles from which tremor originates and counteracts it by delivering electrical stimulation to the antagonist muscles in an out of phase manner. The detection was based on the Iterative Hilbert Transform and stimulation was delivered above the motor threshold (motor stimulation) and below the motor threshold (sensory stimulation). The system was tested on 6 patients with predominant wrist flexion/extension tremor (4 with Parkinson disease and 2 with Essential tremor) and led to an average tremor reduction in the range of 46-81% and 35-48% across 5 patients when using the motor and sensory stimulation, respectively. In one patient, the system did not attenuate tremor. These results demonstrate that tremor attenuation might be achieved by delivering electrical stimulation below the motor threshold, preventing muscle fatigue and discomfort for the patients, which sets the basis for the development of an alternative treatment for tremor.
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 title = {Online Tremor Suppression Using Electromyography and Low Level Electrical Stimulation.},
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 abstract = {Tremor is one of the most prevalent movement disorders. There is a large proportion of patients (around 25%) in whom current treatments do not attain a significant tremor reduction. This paper proposes a tremor suppression strategy that detects tremor from the electromyographic signals of the muscles from which tremor originates and counteracts it by delivering electrical stimulation to the antagonist muscles in an out of phase manner. The detection was based on the Iterative Hilbert Transform and stimulation was delivered above the motor threshold (motor stimulation) and below the motor threshold (sensory stimulation). The system was tested on 6 patients with predominant wrist flexion/extension tremor (4 with Parkinson disease and 2 with Essential tremor) and led to an average tremor reduction in the range of 46-81% and 35-48% across 5 patients when using the motor and sensory stimulation, respectively. In one patient, the system did not attenuate tremor. These results demonstrate that tremor attenuation might be achieved by delivering electrical stimulation below the motor threshold, preventing muscle fatigue and discomfort for the patients, which sets the basis for the development of an alternative treatment for tremor.},
 bibtype = {article},
 author = {Dosen, Strahinja and Muceli, Silvia and Dideriksen, Jakob and Romero, Juan and Rocon, Eduardo and Pons, Jose and Farina, Dario},
 journal = {IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society},
 number = {c}
}
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