spm/spm
Feb 2025 – Aug 2025
3 Months active
Languages Used
MATLAB
Technical Skills
3D Mesh ManipulationBug FixBug FixingCode RefactoringConfigurationConfiguration Management
barnesgr123
PROFILE
Barnesgr123
Gareth Barnes contributed to the spm/spm repository by developing and refining features for MEEG data analysis pipelines, focusing on mesh manipulation, EEG/MEG simulation, and source reconstruction. Using MATLAB, he enhanced mesh handling with improved numeric precision and robust distance metrics, and introduced reproducible seed-based sampling for EEG/MEG workflows. He implemented a new beamforming pseudoZ output to support source reconstruction priors and improved command-line usability by refining display logic. Gareth also addressed data integrity by enabling dynamic mesh and MRI path updates within MEEG objects and improved EEG simulation visualization through robust indexing, demonstrating depth in MATLAB scripting and data processing.
Overall Statistics
Feature vs Bugs
67%Features
Repository Contributions
15Total
Bugs
3
Commits
15
Features
6
Lines of code
719
Activity Months3
Your Network
58 people
Work History
August 2025
2 Commits • 1 Features
Aug 1, 20252025-08 Monthly Summary for spm/spm: Focused feature delivery and targeted bug fixes to improve MEEG data integrity and EEG visualization reliability. Delivered a new MEEG object path update feature and fixed a plotting indexing bug to ensure accurate trial representation, driving better research efficiency and reproducibility. Key features delivered: - MEEG Object Path Update Enhancement: Added spm_setmeshpaths.m to update mesh and MRI file paths in an MEEG object, with directory specification and optional index to modify specific locations; saves the updated object. Commit ed96f2a5748348227dcd52e8b36e23ab066c9bf3. Major bugs fixed: - EEG Simulation Plotting Indexing Fix: Corrected plotting of EEG simulation trials by fixing indexing to display the first trial from trialind correctly instead of a hardcoded 'trial one', improving visualization accuracy. Commit 87e31bd8563a3ca42489f29a9c3550d6ac3b92df. Overall impact and accomplishments: - Improves data integrity and reproducibility for MEEG analyses by enabling reliable path management and object persistence. - Enhances visualization reliability for EEG simulations, reducing user confusion and potential misinterpretation of trial data. - Demonstrates end-to-end feature development and bug resolution within spm/spm, contributing to a more maintainable and trustworthy codebase. Technologies/skills demonstrated: - MATLAB scripting for object manipulation and MEEG data structures. - Robust indexing and data handling in plotting routines. - Version control discipline with focused commits and clear messages.
2 Commits • 1 Features
Aug 1, 20252025-08 Monthly Summary for spm/spm: Focused feature delivery and targeted bug fixes to improve MEEG data integrity and EEG visualization reliability. Delivered a new MEEG object path update feature and fixed a plotting indexing bug to ensure accurate trial representation, driving better research efficiency and reproducibility. Key features delivered: - MEEG Object Path Update Enhancement: Added spm_setmeshpaths.m to update mesh and MRI file paths in an MEEG object, with directory specification and optional index to modify specific locations; saves the updated object. Commit ed96f2a5748348227dcd52e8b36e23ab066c9bf3. Major bugs fixed: - EEG Simulation Plotting Indexing Fix: Corrected plotting of EEG simulation trials by fixing indexing to display the first trial from trialind correctly instead of a hardcoded 'trial one', improving visualization accuracy. Commit 87e31bd8563a3ca42489f29a9c3550d6ac3b92df. Overall impact and accomplishments: - Improves data integrity and reproducibility for MEEG analyses by enabling reliable path management and object persistence. - Enhances visualization reliability for EEG simulations, reducing user confusion and potential misinterpretation of trial data. - Demonstrates end-to-end feature development and bug resolution within spm/spm, contributing to a more maintainable and trustworthy codebase. Technologies/skills demonstrated: - MATLAB scripting for object manipulation and MEEG data structures. - Robust indexing and data handling in plotting routines. - Version control discipline with focused commits and clear messages.
August 2025
July 2025
3 Commits • 1 Features
Jul 1, 2025July 2025 monthly summary for the spm/spm repository focusing on beamforming enhancements and robustness improvements. Delivered a new beamforming pseudoZ output to support source reconstruction priors, fixed display behavior in command-line mode to reduce CLI noise, and corrected multi-source handling by sizing the nAm vector to support multiple sources. The changes improve reconstruction accuracy, CLI usability, and processing robustness, enabling more reliable analyses and smoother workflows in multi-source EEG/inverse processing.
July 2025
3 Commits • 1 Features
Jul 1, 2025July 2025 monthly summary for the spm/spm repository focusing on beamforming enhancements and robustness improvements. Delivered a new beamforming pseudoZ output to support source reconstruction priors, fixed display behavior in command-line mode to reduce CLI noise, and corrected multi-source handling by sizing the nAm vector to support multiple sources. The changes improve reconstruction accuracy, CLI usability, and processing robustness, enabling more reliable analyses and smoother workflows in multi-source EEG/inverse processing.
February 2025
10 Commits • 4 Features
Feb 1, 2025February 2025 monthly summary for spm/spm: Delivered major enhancements across EEG/MEG pipeline including SHP integration, improved mesh handling, robust EEG simulation/inverse workflow, and expanded testing/validation. Key outcomes include reproducible seed-based sampling across M/EEG pipeline; increased numeric precision and robust distance metrics in mesh computations; added defaults and cross-validation support in EEG simulation with corrected gain-matrix WriteClean logic; and new regression tests for OPM distortion, cortical simulation, and lead-field validation. These changes improve reliability, accuracy, and deployment confidence, enabling safer production rollout and data-driven decisions.
10 Commits • 4 Features
Feb 1, 2025February 2025 monthly summary for spm/spm: Delivered major enhancements across EEG/MEG pipeline including SHP integration, improved mesh handling, robust EEG simulation/inverse workflow, and expanded testing/validation. Key outcomes include reproducible seed-based sampling across M/EEG pipeline; increased numeric precision and robust distance metrics in mesh computations; added defaults and cross-validation support in EEG simulation with corrected gain-matrix WriteClean logic; and new regression tests for OPM distortion, cortical simulation, and lead-field validation. These changes improve reliability, accuracy, and deployment confidence, enabling safer production rollout and data-driven decisions.
February 2025
Activity
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Quality Metrics
Correctness78.6%
Maintainability80.0%
Architecture70.6%
Performance66.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
MATLAB
Technical Skills
3D Mesh ManipulationBug FixBug FixingCode RefactoringConfigurationConfiguration ManagementData AnalysisData OrganizationData Type ConversionData VisualizationEEG AnalysisElectrophysiologyFile Path ManagementMATLAB DevelopmentMATLAB Scripting
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