Table 1 Participant demographics

Age at visit 1 (years)

30.6 ± 11.2 [20–50]

28.5 ± 6.1 [21–40]

F(1, 26) = 0.389, p = .538

ADI com^a

7.5 ± 5.0

ADI rep^a

4.0 ± 2.6

ADOS com

4.4 ± 3.3

ADOS soc

7.6 ± 4.1

AQ^a

29.1 ± 13.7

FSIQ

113.0 ± 18.1

125.3 ± 12.7

F(1, 26) = 4.421, p = .045

T_V1–V2 (days)

31.2 ± 17.9

28.1 ± 15.0

F(1, 26) = 0.248, p = .623

Mean motion (CBDV)

0.015 ± 0.067

0.008 ± 0.043

F(1, 26) = 0.100, p = .754

Mean motion (PLC)

0.014 ± 0.049

0.008 ± 0.050

F(1, 26) = 0.097, p = .758