Table 1 Comparison of gaze duration on facial features and objects between children with ASD and those with TD
| Â | A smiling human face | Â | A classroom scene in a high school | |||
|---|---|---|---|---|---|---|
Eyes | Mouth | Face | Finger | Pointed-at object | ||
Preschool Children | ||||||
 TD (n = 24) | 1.18 ± 0.14 | 0.53 ± 0.10 | TD (n = 25) | 1.06 ± 0.19 | 0.16 ± 0.05 | 1.00 ± 0.13 |
 ASD (n = 10) | 0.44 ± 0.21 | 0.31 ± 0.16 | ASD (n = 11) | 0.78 ± 0.29 | 0.11 ± 0.06 | 0.55 ± 0.20 |
Adolescents | ||||||
 TD (n = 23) | 0.92 ± 0.14 | 0.39 ± 0.10 | TD (n = 24) | 0.70 ± 0.20 | 0.21 ± 0.04 | 0.97 ± 0.14 |
 ASD (n = 18) | 0.71 ± 0.16 | 0.31 ± 0.12 | ASD (n = 18) | 1.01 ± 0.23 | 0.10 ± 0.05 | 0.58 ± 0.16 |
Welch’s t-test | ||||||
 Preschool | t (31) = 11.7 | t (16) = 1.31 |  | t (18) = .83 | t (25) = .45 | t (21) = 4.83 |
 ASD vs TD | p = .002 | p = .269 |  | p = .374 | p = .507 | p = .039 |
 Adolescents | t (39) = 1.42 | t (34) = .30 |  | t (21) = .73 | t (35) = 5.21 | t (39) = 3.20 |
 ASD vs TD | p = .241 | p = .589 |  | p =. 402 | p =. 029 | p =. 081 |