The movement patterns are characteristic for a person. The changes in hidher movement patterns indicate changes in hidher state. Several diseases result in well distinguishable deviation from normal movement patterns. The deviation starts with subtle changes, our aim is to detect these changes and thus aid the early diagnosis of neurological diseases. We have been using a passive marker based motion analyzer (PRIMAS) to record the movement patterns defined by neurologists. Healthy subjects and Parkinsonian patients participated in the tests. We suggest a measurement set-up and evaluation algorithms that fit to the movement patterns to be analyzed.
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