Before/After recoveriX - stroke - WDF WPF - ST4 @gtecmedicalengineering

Uploaded December 2024 | Updated September 2026, 1 day ago

recoveriX is measuring EEG activity while a patient imagines a hand or foot movements. Once recoveriX detects a motor imagination, it triggers a functional electrical stimulation of the limb so that the limb performs a real movement. Here you can see the improvement in the hand movement of the stroke-affected hand.

Learn more about this treatment: recoverix.com

Before/After recoveriX - stroke - WDF WPF - ST4

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$Unlockers: High-Accuracy P300 Classification for Brain-Computer Interface Communication BR41N.IO Hackathon during IEEE SMC 2025 - Second place winner - Data Analysis How can Brain-Computer Interfaces become more practical for locked-in patients when only limited training data is available? At the BR41N.IO Hackathon, Team Unlockers developed an advanced machine learning pipeline designed to improve P300 classification accuracy while reducing the amount of data required from users. Built within just 24 hours, the project focused on one of the most important challenges in BCI research and assistive communication: achieving reliable P300 detection without requiring hundreds of repetitive trials. This is especially important for locked-in patients, where lengthy calibration sessions can be physically demanding and limit practical use. The team developed a complete EEG signal processing and machine learning workflow that combined artifact removal, data augmentation, feature engineering, and advanced classification techniques. Multiple Linear Discriminant Analysis (LDA) approaches were evaluated, including Fishers LDA, Regularized LDA, and Stepwise Regularized LDA, alongside several EEG preprocessing strategies designed to maximize signal quality while preserving valuable training data. A key innovation of the project was the use of targeted EEG data augmentation techniques, including peak shifting, amplitude scaling, and temporal transformations to generate additional training examples from limited datasets. The team also explored spiking neural networks for synthetic EEG generation, demonstrating how artificial intelligence and machine learning can improve Brain-Computer Interface performance when training data is scarce. The final classification pipeline achieved an impressive 94% accuracy for P300 versus non-P300 detection, outperforming many traditional baseline approaches while requiring only a fraction of the training data often used in BCI systems. These results highlight the potential for more efficient calibration procedures, faster user onboarding, and improved patient experience in assistive communication applications. This project demonstrates important concepts in ERP research, P300 spellers, cognitive neuroscience, assistive communication, machine learning, artificial intelligence, EEG signal processing, and Brain-Computer Interface development. It also shows how rapidly interdisciplinary teams can build and validate advanced neurotechnology solutions when they can focus on algorithms and innovation rather than hardware integration and signal acquisition challenges. BR41N.IO Hackathon projects repeatedly demonstrate that researchers, students, startups, and developers can build high-performance Brain-Computer Interfaces, ERP applications, machine learning pipelines, assistive technologies, and real-time EEG solutions within just 24 hours. The Unicorn Hybrid Black platform enables teams to focus on classification, signal analysis, and application development instead of spending valuable time on EEG hardware setup, artifact correction workflows, or low-level data acquisition. More about Unicorn Hybrid Black: https://www.gtec.at/product/unicorn-hybrid-black-bci-platform More about BR41N.IO: https://www.gtec.at/hackathon/$

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