Add EMG-ERP tutorial with EEGLAB#101

Merged

neuromechanist merged 15 commits intomasterfrom

emg-tutorial-update

Nov 27, 2025

Commits on Nov 26, 2025

update EMG tutorial: use 20Hz envelope, disable topoplots, add burst-initial approach
neuromechanist
committed
Add EMG tutorial figures and update image paths
neuromechanist
committed

Commits on Nov 27, 2025

Add individual channel ERPs figure to EMG tutorial
neuromechanist
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Replace generated figures with GUI screenshots for EMG tutorial
neuromechanist
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Fix methodology inconsistencies in EMG tutorial
neuromechanist
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Update envelope computation figure with cleaner 4-stage visualization
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Add Ruby 3.4 compatibility gems (csv, logger, base64, bigdecimal)
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Remove redundant envelope figure - figure 3c is sufficient
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Cleanup EMG tutorial: remove redundant sections and figures
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Resize dialog box screenshots to 60% width
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Clarify all-channels figure: keystroke 'a', envelope data, trial count rationale
neuromechanist
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Update all-channels figure description: burst-initial keystrokes by hand/wristband
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Add trial selection details and epoch counts to all-channels figure description
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Update all-channels figure with descriptive subplot titles and epoch counts
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remove unavailable links
neuromechanist
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