Table 1 Demographic characteristics and number of valid trials.

From: No transfer of arousal from other’s eyes in Williams syndrome

 

WS (n = 44)

TD (n = 65)

TD-infant (n = 79)

Group differences‡

Age (M, SD)

25.43 (13.48)

31.04 (12.92)

0.48 (0.1)

WS, TD > TD-infant (BF10 > 3, p < 0.001)

%Female

48%

58%

53%

 

ADOS-2 total (CSS)

1.71 (0.78)

 

ADOS-2 Social affect (CSS)

2.33 (1.15)

 

ADOS-2 RRB (CSS)

2.95 (2.25)

 

Valid trials (M, SD)

 Constricted

5.91 (4.08)

5.63 (3.51)

6.38 (3.73)

 

 Medium

5.93 (3.94)

5.6 (3.59)

6.24 (3.58)

 

 Dilated

5.86 (3.92)

5.6 (3.55)

6.57 (3.7)

 

Baseline pupil size in mm (M, SD)

 Constricted

3.71 (0.7)

3.38 (0.58)

3.7 (1.06)

TD-infant > TD (BF10 = 1.47; p = 0.026)

 Medium

3.77 (0.7)

3.43 (0.62)

3.64 (1.17)

 

 Dilated

3.71 (0.67)

3.36 (0.59)

3.66 (1.07)

TD-infant > TD (BF10 = 1.05, p = 0.041)

  1. WS Williams syndrome, TD Typically developed adults and children, TD-inf Typically developing infants, BF10 Bayes factor favoring a group difference.
  2. Group differences were analyzed with t-tests for continuous variables and with Chi-square tests for gender proportions.