Tutorials

Step-by-step guides demonstrating how to use GastroPy for EGG signal processing and analysis.

• EGG Signal Processing with GastroPy
  • 1. Background: What is Electrogastrography?
  • 2. Loading and Inspecting the Data
  • 3. Spectral Analysis and Channel Selection
  • 4. Step-by-Step Processing Pipeline
  • 5. Computing EGG Quality Metrics
  • 6. Multi-Band Time-Frequency Analysis
  • 7. The egg_process Convenience Function
  • 8. Summary and Validation
• Multi-Channel EGG Analysis: A Complete Pipeline Tutorial
  • Background
  • 1. Channel Quality Assessment
  • 2. Artefact-Robust Preprocessing
  • 3. Multichannel Processing Strategies
  • 4. Comparing Methods
  • 5. Sine Fitting
  • Summary
• Gastric-Brain Coupling with GastroPy
  • 1. Background: Gastric-Brain Phase Coupling
  • 2. Loading fMRI-Concurrent EGG Data
  • 3. EGG Processing: Channel Selection and Peak Frequency
  • 4. Narrowband Filtering at Individual Peak Frequency
  • 5. Per-Volume Phase Extraction
  • 6. BOLD-Side Processing (Overview)
  • 7. Computing the PLV Map
  • 8. Complex PLV: Preferred Phase Lag
  • 9. Surrogate Statistical Testing
  • 10. Visualizing the Coupling Map
  • 11. Reconstructing a 3D Volume (Real Data)
  • 12. Downloading Real fMRI Data
  • 13. Summary
• Gastric-Brain Coupling with Real fMRI Data
  • 1. Load Data
  • 2. Align BOLD Volumes to EGG Triggers
  • 3. EGG Processing: Channel Selection and Filtering
  • 4. Per-Volume EGG Phase
  • 5. Artifact Detection and Volume Censoring
  • 6. BOLD Processing
  • 7. Compute PLV Map
  • 8. Surrogate Statistical Testing
  • 9. Summary