INVESTIGATION OF CHANGES IN KINETIC TREMOR THROUGH ANALYSIS OF HAND-DRAWING MOVEMENTS - Differences between Physiological and Essential Tremors

Maria Fernanda S. Almeida, Guilherme L. Cavalheiro, Adriano O. Andrade, Daniel A. Furtado, Adriano A. Pereira

2011

Abstract

Tremor is the most common movement disorder characterized by repetitive and stereotyped movements. Tremor can be classified in many ways, depending on its phenomenology, frequency and location. The data collection conducted under kinetic conditions and while performing a voluntary movement highlights the kinetic tremor. The analysis of hand-drawing movements is commonly used in the evaluation of patients with tremor. In this study, a number of features extracted from tremor activity, obtained from digitized drawings of Archimedes’ spirals, were analysed. The analyses followed the sequence bellow: 1 – Linearization of the spiral of Archimedes; 2 – Estimate of tremor activity; 3 – Data pre-processing; and 4 – Feature extraction from the tremor activity. The statistical analysis of the extracted features was able to prove the differences between physiological and essential tremors collected under kinetic conditions.

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Paper Citation


in Harvard Style

S. Almeida M., L. Cavalheiro G., O. Andrade A., A. Furtado D. and A. Pereira A. (2011). INVESTIGATION OF CHANGES IN KINETIC TREMOR THROUGH ANALYSIS OF HAND-DRAWING MOVEMENTS - Differences between Physiological and Essential Tremors . In Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2011) ISBN 978-989-8425-35-5, pages 393-398. DOI: 10.5220/0003121703930398


in Bibtex Style

@conference{biosignals11,
author={Maria Fernanda S. Almeida and Guilherme L. Cavalheiro and Adriano O. Andrade and Daniel A. Furtado and Adriano A. Pereira},
title={INVESTIGATION OF CHANGES IN KINETIC TREMOR THROUGH ANALYSIS OF HAND-DRAWING MOVEMENTS - Differences between Physiological and Essential Tremors},
booktitle={Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2011)},
year={2011},
pages={393-398},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003121703930398},
isbn={978-989-8425-35-5},
}


in EndNote Style

TY - CONF
JO - Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2011)
TI - INVESTIGATION OF CHANGES IN KINETIC TREMOR THROUGH ANALYSIS OF HAND-DRAWING MOVEMENTS - Differences between Physiological and Essential Tremors
SN - 978-989-8425-35-5
AU - S. Almeida M.
AU - L. Cavalheiro G.
AU - O. Andrade A.
AU - A. Furtado D.
AU - A. Pereira A.
PY - 2011
SP - 393
EP - 398
DO - 10.5220/0003121703930398