Table 2.
Behavioural data for the NIRS task at 4–6 months of age
| Low‐risk | HR – no ASD | HR ‐ ASD | |
|---|---|---|---|
| Total number of trials presented | 13.77 (2.31) | 13.8 (2.81) | 16.25 (2.87) |
| Total valid trials | 12.54 (2.63) | 12.47 (2.39) | 12.5 (2.52) |
| Looking time per trial (%) | 94.18 (3.2) | 92.59 (5.76) | 91.05 (2.4) |
| Valid trials in Social‐visual condition | 4.38 (0.87) | 4.13 (0.92) | 4.25 (1.26) |
| Valid trials in Non‐vocal condition | 4.08 (1.04) | 4.27 (0.8) | 4.25 (0.5) |
| Valid trials in Vocal condition | 4.08 (0.95) | 4.07 (0.96) | 4.0 (0.82) |
| Excluded channels/condition | 1.67 (1.12) | 2.04 (2.78) | 3.4 (1.79) |
| Head Circumference (cm) | 43.3 (1.81) | 42.9 (1.51) | 43.2 (1.6) |
Note that for each entry the first number refers to the mean value across the group and the bracketed number refers to the SD.