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A breakdown of valid datasets and those excluded from analysis
| N | % | |
|---|---|---|
| Valid | 486 | 82.0 |
| Task not reached in battery | 5 | 0.8 |
| Not acquired (technical fault) | 18 | 3.0 |
| Not acquired (failed to calibrate) | 2 | 0.3 |
| Not acquired (no reason recorded) | 34 | 5.7 |
| Raw data missing | 24 | 4.0 |
| Too few valid trials | 24 | 4.0 |
