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Implements the EEG-GCNN paper (Wagh & Varatharajah, ML4H @ NeurIPS 2020) as a PyHealth 2.0 contribution with dataset, task, tests, docs, and ablation study script. New files: - pyhealth/datasets/eeg_gcnn.py — EEGGCNNDataset (TUAB normal + MPI LEMON) - pyhealth/datasets/configs/eeg_gcnn.yaml — YAML config - pyhealth/tasks/eeg_gcnn_nd_detection.py — EEGGCNNDiseaseDetection task (PSD features, spatial/functional/combined adjacency, configurable bands) - tests/test_eeg_gcnn.py — 23 tests using synthetic data - examples/eeg_gcnn_nd_detection_gcn.py — 3 ablation experiments - RST docs for dataset and task Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
"coherence" must be passed as "coh" to spectral_connectivity_epochs. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
The ablation script can now run without real TUAB/LEMON data using `--demo`. Generates 40 synthetic patients with reproducible random PSD features and adjacency matrices, runs all 3 experiments through the full GCN training pipeline. Also fixes a bug where roc_auc_score failed on single-column y_prob output from binary classification. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Rename task schema keys (psd_features→node_features, adjacency→adj_matrix) to match the EEGGraphConvNet model interface. Add self-contained combined pipeline script that runs both GCN and GAT models with demo mode, requiring only torch + torch_geometric (no PyHealth install needed). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
…ation - Restore accidentally dropped EEG_abnormal.py and EEG_events.py task files that were causing an ImportError on test collection. - Add TestFunctionalAdjacency (10 tests) covering _build_functional_adjacency and combined adjacency mode; mne_connectivity is mocked via sys.modules so tests run in milliseconds with no real EEG dependency. - Extend evaluate() in the ablation script to report Precision, Recall, F1, and Balanced Accuracy in addition to AUC, using Youden's J statistic for threshold selection — matching the evaluation protocol in Table 2 of Wagh & Varatharajah (2020). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Add EEG task definitions and expand GCNN evaluation metrics
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