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1 2004

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Physiological upper limb's tremor research using computer tablet

Lech T.

Prace Naukowe Instytutu Matematyki i Informatyki Politechniki Częstochowskiej

2004

Vol. 3, nr 1

81--89

The paper presents the research results of the computer tablet application in the diagnostics of physiological tremor of hands. The said research is a continuation of a wider research process aiming at the creation of a compact diagnostic system of nervous system diseases appearing in, inter alia, hand's tremor. The application of properly programmed computer tablet makes it possible to carry out the examination of the upper limb's tremor in a fast, easy and cheap way, assisting the neurologists in the diagnostic process, therefore the use of a very expensive medical equipment (EMG, accelerometer) can be minimized. Needless to say, the compact diagnostic system of hands' tremor and co-related tremors of the nervous system pathology must correctly diagnose the physiological tremor. In order to do it a comparative examination has been performed in healthy patients whose physiologic tremor has been intensified by adequate methods. The application of the Fourier transform and time/frequency relation enabled the analysis of signals and performance of the comparative analysis involving the data gathered in patients with clinically confirmed Parkinson's disease.