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Validation for Tremor Quantification of an Electromagnetic Tracking Device by Padraig E. O'Suilleabhain; Richard B. Dewey Jr. is a Medicine article available to read on EtoBox.

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## Abstract An electromagnetic tracking system was used to record arm motion in subjects with Parkinson's disease (n = 23), essential tremor (n = 28) or without neurological disease (n = 4). Tremor magnitude was calculated by averaging the three‐dimensional displacement of individual tremor bursts. Tremor magnitude calculated in this manner was quite closely correlated with a clinician's estimate (r = 0.88 and 0.86 for Parkinsonian and essential tremors, respectively) and was reproducible (r = 0.93 for repeated recordings). The accuracy of the device and algorithm was confirmed by mechanically generating oscillations of known magnitudes and frequencies. This device is adaptable for quantifying different types of tremors and its accuracy is easy to verify. Because position rather than acceleration is tracked, tremor amplitude can be stated in readily comprehensible units. © 2001 Movement Disorder Society.

Who reads Validation for Tremor Quantification of an Electromagnetic Tracking Device?

Author

Padraig E. O'Suilleabhain; Richard B. Dewey Jr.

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0885-3185)

Published

2001

Language

EN

Field

Medicine (Health Sciences)