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Fig. 2 | Journal of NeuroEngineering and Rehabilitation

Fig. 2

From: Exploring the effects of deep brain stimulation and vision on tremor in Parkinson’s disease - benefits from objective methods

Fig. 2

Anteroposterior and lateral spectral power patterns in recorded torque (reflecting COP position) by a force platform, from a patient standing with eyes open with DBS OFF. The patterns were almost identical, including that both were influenced by a tremor peak of an identical frequency. However, the anteroposterior spectral power levels about 10 times larger than the lateral power levels in the frequency range below 20 Hz. Note that after the normalization the values on the y-axis will have no unit

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