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Safi K, Aly WHF, Kanj H, Khalifa T, Ghedira M, Hutin E. Hidden Markov Model for Parkinson's Disease Patients Using Balance Control Data. Bioengineering (Basel) 2024; 11:88. [PMID: 38247965 PMCID: PMC10813155 DOI: 10.3390/bioengineering11010088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/09/2024] [Accepted: 01/15/2024] [Indexed: 01/23/2024] Open
Abstract
Understanding the behavior of the human postural system has become a very attractive topic for many researchers. This system plays a crucial role in maintaining balance during both stationary and moving states. Parkinson's disease (PD) is a prevalent degenerative movement disorder that significantly impacts human stability, leading to falls and injuries. This research introduces an innovative approach that utilizes a hidden Markov model (HMM) to distinguish healthy individuals and those with PD. Interestingly, this methodology employs raw data obtained from stabilometric signals without any preprocessing. The dataset used for this study comprises 60 subjects divided into healthy and PD patients. Impressively, the proposed method achieves an accuracy rate of up to 98% in effectively differentiating healthy subjects from those with PD.
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Affiliation(s)
- Khaled Safi
- Computer Science Department, Jinan University, Tripoli P.O. Box 818, Lebanon
| | - Wael Hosny Fouad Aly
- College of Engineering and Technology, American University of the Middle East, Egaila 54200, Kuwait; (H.K.); (T.K.)
| | - Hassan Kanj
- College of Engineering and Technology, American University of the Middle East, Egaila 54200, Kuwait; (H.K.); (T.K.)
| | - Tarek Khalifa
- College of Engineering and Technology, American University of the Middle East, Egaila 54200, Kuwait; (H.K.); (T.K.)
| | - Mouna Ghedira
- Laboratory Analysis and Restoration of Movement (ARM), Henri Mondor University Hospitals, Assistance Publique-Hôpitaux de Paris, 94000 Créteil, France; (M.G.); (E.H.)
| | - Emilie Hutin
- Laboratory Analysis and Restoration of Movement (ARM), Henri Mondor University Hospitals, Assistance Publique-Hôpitaux de Paris, 94000 Créteil, France; (M.G.); (E.H.)
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De Bartolo D, D’amico I, Iosa M, Aloise F, Morone G, Marinozzi F, Bini F, Paolucci S, Spadini E. Validation of SuPerSense, a Sensorized Surface for the Evaluation of Posture Perception in Supine Position. SENSORS (BASEL, SWITZERLAND) 2022; 23:424. [PMID: 36617020 PMCID: PMC9823460 DOI: 10.3390/s23010424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/19/2022] [Accepted: 12/26/2022] [Indexed: 06/17/2023]
Abstract
This study aimed to validate a sensorized version of a perceptive surface that may be used for the early assessment of misperception of body midline representation in subjects with right stroke, even when they are not yet able to stand in an upright posture. This device, called SuPerSense, allows testing of the load distribution of the body weight on the back in a supine position. The device was tested in 15 patients with stroke, 15 age-matched healthy subjects, and 15 young healthy adults, assessing three parameters analogous to those conventionally extracted by a baropodometric platform in a standing posture. Subjects were hence tested on SuPerSense in a supine position and on a baropodometric platform in an upright posture in two different conditions: with open eyes and with closed eyes. Significant correlations were found between the lengths of the center of pressure path with the two devices in the open-eyes condition (R = 0.44, p = 0.002). The parameters extracted by SuPerSense were significantly different among groups only when patients were divided into those with right versus left brain damage. This last result is conceivably related to the role of the right hemisphere of the brain in the analysis of spatial information.
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Affiliation(s)
- Daniela De Bartolo
- Scientific Institute for Research, Hospitalization and Health Care (IRCCS) Santa Lucia Foundation, Via Ardeatina 306, 00179 Rome, Italy
| | - Ilaria D’amico
- Department of Mechanical and Aerospace Engineering, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy
| | - Marco Iosa
- Scientific Institute for Research, Hospitalization and Health Care (IRCCS) Santa Lucia Foundation, Via Ardeatina 306, 00179 Rome, Italy
- Department of Psychology, Sapienza University of Rome, Via Dei Marsi 78, 00185 Rome, Italy
| | - Fabio Aloise
- Alfameg s.r.l., Via Giacomo Favretto 9, 00147 Rome, Italy
| | - Giovanni Morone
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy
| | - Franco Marinozzi
- Department of Mechanical and Aerospace Engineering, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy
| | - Fabiano Bini
- Department of Mechanical and Aerospace Engineering, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy
| | - Stefano Paolucci
- Scientific Institute for Research, Hospitalization and Health Care (IRCCS) Santa Lucia Foundation, Via Ardeatina 306, 00179 Rome, Italy
| | - Ennio Spadini
- Perceptive Lab s.r.l., Via Sebastiano Veniero 22, 00192 Rome, Italy
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Safi K, Aly WHF, AlAkkoumi M, Kanj H, Ghedira M, Hutin E. EMD-Based Method for Supervised Classification of Parkinson’s Disease Patients Using Balance Control Data. Bioengineering (Basel) 2022; 9:bioengineering9070283. [PMID: 35877334 PMCID: PMC9311556 DOI: 10.3390/bioengineering9070283] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 06/22/2022] [Accepted: 06/22/2022] [Indexed: 11/24/2022] Open
Abstract
There has recently been increasing interest in postural stability aimed at gaining a better understanding of the human postural system. This system controls human balance in quiet standing and during locomotion. Parkinson’s disease (PD) is the most common degenerative movement disorder that affects human stability and causes falls and injuries. This paper proposes a novel methodology to differentiate between healthy individuals and those with PD through the empirical mode decomposition (EMD) method. EMD enables the breaking down of a complex signal into several elementary signals called intrinsic mode functions (IMFs). Three temporal parameters and three spectral parameters are extracted from each stabilometric signal as well as from its IMFs. Next, the best five features are selected using the feature selection method. The classification task is carried out using four known machine-learning methods, KNN, decision tree, Random Forest and SVM classifiers, over 10-fold cross validation. The used dataset consists of 28 healthy subjects (14 young adults and 14 old adults) and 32 PD patients (12 young adults and 20 old adults). The SVM method has a performance of 92% and the Dempster–Sahfer formalism method has an accuracy of 96.51%.
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Affiliation(s)
- Khaled Safi
- Computer Science Department, Strasbourg University, 67081 Strasbourg, France
- Correspondence:
| | - Wael Hosny Fouad Aly
- College of Engineering and Technology, American University of the Middle East, Egaila 54200, Kuwait; (W.H.F.A.); (M.A.); (H.K.)
| | - Mouhammad AlAkkoumi
- College of Engineering and Technology, American University of the Middle East, Egaila 54200, Kuwait; (W.H.F.A.); (M.A.); (H.K.)
| | - Hassan Kanj
- College of Engineering and Technology, American University of the Middle East, Egaila 54200, Kuwait; (W.H.F.A.); (M.A.); (H.K.)
| | - Mouna Ghedira
- Laboratory ARM, EA BIOTN, UPEC, CHU Henri Mondor, 94000 Cŕeteil, France; (M.G.); (E.H.)
| | - Emilie Hutin
- Laboratory ARM, EA BIOTN, UPEC, CHU Henri Mondor, 94000 Cŕeteil, France; (M.G.); (E.H.)
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