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Analysis of Differences between Physiological and Pathological Tremor of Human Fingers

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Bulletin of Experimental Biology and Medicine Aims and scope

The study tried to reveal the differences between physiological and pathological tremor appearing during maintenance of isometric force in healthy individual and parkinsonian patients with tremor. Six-level wavelet expansion was used presenting the tremor as a sum of smoothed (slow) component and high-frequency detailed components of 6 expansion levels. The differences in the high-frequency components were assessed by calculating the energetic parameters in the power spectrum of these components. These parameters make it possible not only to reliably distinguish the energetic spectra of the detail components of the physiological and pathological tremor, but also to correlate changes in patient state caused by drug treatment of parkinsonian trembling with the decrease in these parameters.

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Authors and Affiliations

  1. I. P. Pavlov Institute of Physiology, Russian Academy of Sciences, St. Petersburg, Russia

    O. E. Dick, S. P. Romanov & A. D. Nozdrachev

  2. St. Petersburg State University, St. Petersburg, Russia

    A. D. Nozdrachev

Authors
  1. O. E. Dick
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  2. S. P. Romanov
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  3. A. D. Nozdrachev
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Corresponding author

Correspondence to O. E. Dick.

Additional information

Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 149, No. 4, pp. 364–367, April 2010

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Dick, O.E., Romanov, S.P. & Nozdrachev, A.D. Analysis of Differences between Physiological and Pathological Tremor of Human Fingers. Bull Exp Biol Med 149, 383–386 (2010). https://doi.org/10.1007/s10517-010-0951-y

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  • DOI: https://doi.org/10.1007/s10517-010-0951-y

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