Power spectral density analysis of physiological, rest and action tremor in Parkinson's disease patients treated with deep brain stimulation.

J Neuroeng Rehabil · 2013 · PMC3722015 · PMID 23834737

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a slightly increasing trendno p-value reported

The tapping rate showed a slightly increasing trend with increasing relative tremor power, while tremor frequency slightly decreased with increasing relative tremor power, which may express a (weak) attraction between tremor and repetitive voluntary movement [ 31 ].

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an increasing trendno p-value reported

Tremor duration also showed an increasing trend with increasing UPDRS scores, however this was not statistically significant (p>0.05).

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