Demographic characteristics of participants included in the analysis
| ID | Group | Age | Gender | DH | AQ | IQ | ADOS |
|---|---|---|---|---|---|---|---|
| 401 | Control | 29.5 | M | R | 7 | 112 | — |
| 456 | Control | 37.2 | F | R | 11 | 108 | — |
| 281 | Control | 43.5 | M | R | 11 | 112 | — |
| 412 | Control | 32.9 | F | R | 18 | 107 | — |
| 498 | Control | 37.7 | F | R | 10 | 127 | — |
| 499 | Control | 33.5 | M | R | 7 | 123 | — |
| 497 | Control | 28.9 | M | R | 11 | 128 | — |
| 414 | Control | 42.4 | M | R | 16 | 113 | — |
| 467 | Control | 30.7 | M | R | 18 | 102 | — |
| 440 | Control | 36.9 | F | R | 20 | 121 | — |
| 606 | Control | 33.1 | M | R | 10 | 126 | — |
| 430 | Control | 20.9 | F | R | 12 | 104 | — |
| 180 | ASD | 26.3 | M | R | 39 | 136 | 17 |
| 352 | ASD | 47.8 | F | R | 45 | 116 | 15 |
| 351 | ASD | 48.0 | M | R | 27 | 118 | 15 |
| 327a | ASD | 60.9 | M | R | 46 | 103 | 8 |
| 308 | ASD | 57.5 | M | R | 45 | 132 | 7 |
| 388 | ASD | 21.9 | F | R | 40 | 129 | 3 |
| 316 | ASD | 34.7 | F | R | 46 | 103 | 9 |
| 313 | ASD | 34.2 | M | R | 40 | 116 | 7 |
| 397 | ASD | 27.9 | F | R | 37 | 131 | 7 |
| 160 | ASD | 28.6 | F | R | 48 | 112 | 7 |
| 115 | ASD | 35.3 | M | L | 41 | 88 | — |
| 184 | ASD | 48.6 | F | R | 39 | 115 | 6 |
| 121 | ASD | 24.6 | M | R | 35 | 108 | 13 |
| 306 | ASD | 28.2 | M | R | 48 | 107 | 12 |
↵aOne participant could not perform the Ebbinghaus illusion task.
DH, Dominant hand; AQ, autism-spectrum quotient; IQ, full scale intelligence quotient; ADOS, autism diagnostic observation scale.