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Tissue fractions in M1 and SMA ROIs
| ASD group | TD group | |
|---|---|---|
| M1 ROI | ||
| Gray matter (%) | 42 (± 6) | 42 (± 4) |
| White matter (%) | 48 (± 8) | 47 (± 5) |
| Cerebrospinal fluid (%) | 10 (± 2) | 10 (± 3) |
| SMA ROI | ||
| Gray matter (%) | 44 (± 5) | 47 (± 4) |
| White matter (%) | 50 (± 7) | 47 (± 5) |
| Cerebrospinal fluid (%) | 6 (± 2) | 7 (± 2) |
ASD autism spectrum disorder, TD typically developing, M1 primary motor area, SMA supplementary motor area, ROI region of interest
