中榮資料:ASR20 + ICA EEGNet 自身訓練
資料邊界:此實驗完全沒有使用前面 34 位正常人的資料、source checkpoint 或跨 session 累積權重。每一個 session 的 EEGNet 都由隨機初始化開始,僅以該 session 自身 trial 作 stratified 5-fold。
流程
1–40 Hz zero-phase IIR → ASR cutoff 20 → conservative ICA → 200 Hz → event 0–2 s → trial/channel Z-score → EEGNet。每個 outer train fold 再切 80/20 validation 做 early stopping;outer test 不參與訓練、early stopping 或資料增強。
結果

9 段 session 平均:49.40% ± 6.86%。s2_4 為 61.90%,但其餘多數段接近機率水準,不能解讀為穩定改善。
| Subject | Session | 5-fold mean | Fold SD | Trials | Left/Right |
|---|---|---|---|---|---|
| s1 | s1_1 | 40.00% | 5.59% | 40 | 20/20 |
| s1 | s1_2 | 52.50% | 13.69% | 40 | 20/20 |
| s1 | s1_3 | 50.00% | 8.84% | 40 | 20/20 |
| s1 | s1_4 | 47.50% | 5.59% | 40 | 20/20 |
| s1 | s1_5 | 40.00% | 27.10% | 39 | 19/20 |
| s2 | s2_1 | 54.29% | 18.63% | 35 | 17/18 |
| s2 | s2_2 | 47.50% | 13.58% | 36 | 18/18 |
| s2 | s2_3 | 50.95% | 13.53% | 31 | 15/16 |
| s2 | s2_4 | 61.90% | 12.14% | 34 | 16/18 |
受試者摘要
| Subject | Mean across sessions | Session SD | Sessions |
|---|---|---|---|
| s1 | 46.00% | 5.76% | 5 |
| s2 | 53.66% | 6.15% | 4 |