Table 1.
Demographics and Behavioral Results
| Variable | Mean (SD)
|
||
|---|---|---|---|
| TD Group (n=13) | fraX Group (n=13) | DD Group (n=10) | |
| Age, mean (SD) y | 15.0 (2.5) | 15.5 (2.4) | 16.1 (3.3) |
| WISC full-scale IQ, mean (SD) | 116.8 (11.6) | 61.0 (14.8) | 62.4 (9.4) |
| Accuracy, % | |||
| DirectGz | 93.1 (8.1) | 68.5 (18.9) | 72.2 (18.5) |
| AvertedGz | 95.6 (5.7) | 58.0 (25.3) | 65.9 (35.7) |
| RT, ms | |||
| DirectGz | 863.6 (157.9) | 929.1 (174.6) | 1028.9 (122.4) |
| AvertedGz | 931.1 (189.7) | 935.9 (246.5) | 1041.4 (112.3) |
| Accuracy, % | |||
| DirectGz-1 trial | 92.7 (9.0) | 67.7 (20.6) | 71.5 (18.9) |
| DirectGz-2 trials | 94.2 (10.0) | 75.4 (17.1) | 72.5 (26.0) |
| RT, ms | |||
| DirectGz-1 trial | 863.0 (148.2) | 924.6 (153.0) | 1023.2 (112.3) |
| DirectGz-2 trials | 860.3 (171.3) | 868.3 (156.8) | 975.8 (135.0) |
Abbreviations: AvertedGz, all conditions with averted gaze (face forward with averted gaze and averted face with averted gaze combined); DD, developmental delay; DirectGz, all conditions with direct gaze (forward face with direct gaze and averted face with direct gaze combined); fraX, fragile X syndrome; RT, response time; TD, typically developing; WISC, Wechsler Intelligence Scale for Children.