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Spinal Cord Injury Patients Exhibit Changes in Motor-Related Activity and Topographic Distribution *

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Title: Spinal Cord Injury Patients Exhibit Changes in Motor-Related Activity and Topographic Distribution *
Authors: Borràs Argemí, Marta, Romero Lafuente, Sergio, Rojas Martínez, Mónica Marlene, Serna Higuita, Leidy Yanet, Mañanas Villanueva, Miguel Ángel
Source: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Publisher Information: IEEE, 2023.
Publication Year: 2023
Subject Terms: 2. Zero hunger, Neuroestimulació, Movement, Estimulació elèctrica, Medul·la espinal -- Ferides i lesions, Electroencephalography, Àrees temàtiques de la UPC::Enginyeria biomèdica::Electrònica biomèdica, Upper Extremity, Spinal cord -- Wounds and injuries, Electric stimulation, Humans, Neural stimulation, Evoked Potentials, Spinal Cord Injuries
Description: Spinal Cord Injury (SCI) is a common disease that usually limits the patient's independence by affecting their motor function. SCI patients usually present neuroplasticity, which allows brain signals transmission through spread pathways. Some innovative rehabilitation therapies, such as functional electrical stimulation (FES) or Brain-computer interfaces (BCIs) jointly with motor neuroprostheses, provide hope for functional restoration. BCIs require the analysis of event-related EEG potentials (ERPs). Movement-related cortical potentials (MRCPs) and event-related desynchroni-zation and synchronization (ERD/ERS) are the most commonly studied ERPs during motor activity. ERPs of healthy subjects may vary from SCI patients. Thus, this study aimed to compare ERPs between healthy subjects and SCI patients during upper-limb movements (forearm supination and pronation, and hand open). Differences between controls and SCI patients were shown in terms of ERPs' amplitude as well as in topographic maps. Changes in amplitude were more substantial in ERD potentials than in MRCPs, while topographic maps showed better localization of all features in healthy patients. The level of SCI injury determines the patients' mobility. A comparison between complete, partial and no motor function subjects showed lower values of feature's amplitudes in the latter group.Clinical Relevance- This demonstrates the existence of significant statistical differences between healthy and SCI subjects, and might be helpful when performing SCI rehabilitation techniques such as designing BCI and neuroprostheses, or analyzing and understanding the brain plasticity process.
Document Type: Article
Conference object
File Description: application/pdf
DOI: 10.1109/embc40787.2023.10340794
Access URL: https://pubmed.ncbi.nlm.nih.gov/38083728
Rights: STM Policy #29
Accession Number: edsair.doi.dedup.....81885c3444b79a8bd866c3fbd0cd183d
Database: OpenAIRE
Description
Abstract:Spinal Cord Injury (SCI) is a common disease that usually limits the patient's independence by affecting their motor function. SCI patients usually present neuroplasticity, which allows brain signals transmission through spread pathways. Some innovative rehabilitation therapies, such as functional electrical stimulation (FES) or Brain-computer interfaces (BCIs) jointly with motor neuroprostheses, provide hope for functional restoration. BCIs require the analysis of event-related EEG potentials (ERPs). Movement-related cortical potentials (MRCPs) and event-related desynchroni-zation and synchronization (ERD/ERS) are the most commonly studied ERPs during motor activity. ERPs of healthy subjects may vary from SCI patients. Thus, this study aimed to compare ERPs between healthy subjects and SCI patients during upper-limb movements (forearm supination and pronation, and hand open). Differences between controls and SCI patients were shown in terms of ERPs' amplitude as well as in topographic maps. Changes in amplitude were more substantial in ERD potentials than in MRCPs, while topographic maps showed better localization of all features in healthy patients. The level of SCI injury determines the patients' mobility. A comparison between complete, partial and no motor function subjects showed lower values of feature's amplitudes in the latter group.Clinical Relevance- This demonstrates the existence of significant statistical differences between healthy and SCI subjects, and might be helpful when performing SCI rehabilitation techniques such as designing BCI and neuroprostheses, or analyzing and understanding the brain plasticity process.
DOI:10.1109/embc40787.2023.10340794