Section
Signal-Processing
- Sep 2025
Signal Processing for Wearable Biosensors: Fundamentals and Techniques for Ring-Based Devices
Explore the theoretical foundations and practical implementation of signal processing techniques for ring-based wearable biosensors. This guide covers digital filter theory, z-transforms, real-time processing …
- Jun 2025
Simulating Scalp EEG from Ultrahigh-Density ECoG Data Illustrates Cortex to Scalp Projection Patterns
Using 1024-electrode ultrahigh-density electrocorticography (μECoG) data as ground truth, this study demonstrates that cortical activity from a small 3×3 cm patch projects broadly across the entire scalp surface, not …
- Aug 2023
System and methods for biosignal detection and active noise cancellation
We developed a novel EEG system with a dual-electrode net structure for noise reduction and precise biosignal capture. Incorporating advanced software for signal processing, this invention enhances EEG accuracy, reduces …
- Jan 2023
Non-Parametric Functional Muscle Network as a Robust Biomarker of Fatigue
We show that the effects of fatigue on muscle coordination and neural drive can be reliably characterized using a non-parametric functional muscle network. The network demonstrated a consistent decrease in connectivity …
- Jan 2023
Re-Referencing Methods for High-Density EEG
This project investigates different re-referencing approaches for high-density EEG recordings, evaluating their effectiveness in reducing artifacts and improving source localization accuracy. The work contributes to best …
- Jul 2022
Nonlinear functional muscle network based on information theory tracks sensorimotor integration post stroke
We show that InfoMuNet, a novel functional biomarker based on a nonlinear network graph of muscle connectivity, can quantify the role of sensory information on motor performance. We demonstrate its potential use in …
- May 2022
Perilaryngeal-Cranial Functional Muscle Network Differentiates Vocal Tasks: A Multi-Channel sEMG Approach
We explored the potential of a functional muscle network to differentiate vocal tasks. The network robustly differentiated vocal tasks, while classic muscle activation assessment failed to differentiate. The study also …
- Feb 2021
Differential Theta-Band Signatures of the Anterior Cingulate and Motor Cortices During Seated Locomotor Perturbations
We demonstrate that seated locomotor perturbations produce differential theta-band responses in the anterior cingulate and supplementary motor areas, suggesting that tuning perturbation parameters can potentially modify …
- Nov 2019
More Reliable EEG Electrode Digitizing Methods Can Reduce Source Estimation Uncertainty, but Current Methods Already Accurately Identify Brodmann Areas
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Abstract
Electroencephalography (EEG) and source estimation can be used to identify brain areas activated during a task, which could offer greater insight on cortical dynamics. Source …
- Mar 2019
Influence of Mismarking Fiducial Locations on EEG Source Estimation
Mismarking fiducial locations can systematically change EEG source locations. We inestigated this effect by systematically moving the fiducial locations to simulate such errors.
