Table 1 Descriptive statistics

Age, mean, SD, y

31.2 (7.1)

31.2 (8.8)

29.4 (6.7)

F (2,215) = 1.2, η² = 0.011, P = 0.31

NA

Male/female no

92/13

42/13

49/9

χ(2) = 3.41, η² = 0.125, P = 0.18

NA

Handedness

76.8 (55.2)

75.5 (56.1)

87.4 (39.9)

F (2,215) = 0.97, η² = 0.009, P = 0.38

NA

Head motion

1.06 (0.10)

1.05 (0.10)

1.07 (0.10)

F (2,215) = 0.42, η² = 0.004, P = 0.66

NA

IQ

Full

106.8 (14.8)

106.3 (12.5)

107.7 (7.7)

F (2,204) = 0.15, η² = 0.001, P = 0.86

NA

Verbal

110.8 (15.0)

108.7 (14.1)

F (1,147) = 0.59, η² = 0.004, P = 0.45

NA

Performance

100.1 (16.3)

102.0 (13.8)

F (1,147) = 0.45, η² = 0.003, P = 0.50

NA

AQ

34.3 (6.0)

30.3 (8.5)

16.2 (5.8)

F (2,189) = 148.3, η² = 0.611, P < 0.001

ASD > ADHD > TD

CAARS

Inattentive symptoms

64.1 (14.3)

74.2 (12.4)

49.0 (8.3)

F (2,152) = 26.0, η² = 0.255, P < 0.001

ADHD > ASD > TD

Hyperactive impulsive symptoms

59.4 (14.8)

67.2 (15.5)

49.9 (9.6)

F (2,152) = 10.3, η² = 0.119, P < 0.001

ADHD > ASD > TD

ADHD symptoms total

63.4 (14.8)

72.9 (12.6)

49.4 (8.7)

F (2,152) = 21.3, η² = 0.219, P < 0.001

ADHD > ASD > TD

AASP

Low registration

36.9 (9.0)

39.1 (9.2)

28.3 (6.4)

F (2,141) = 18.7, η² = 0.210, P < 0.001

ADHD = ASD > TD

Sensation seeking

31.8 (6.3)

38.1 (7.2)

40.8 (7.6)

F (2,141) = 22.6, η² = 0.243, P < 0.001

ADHD = TD > ASD

Sensory sensitivity

39.1 (10.7)

41.8 (9.6)

32.9 (7.4)

F (2,141) = 8.97, η² = 0.113, P < 0.001

ADHD = ASD > TD

Sensation avoiding

39.7 (10.1)

41.3 (10.2)

32.4 (7.0)

F (2,140) = 10.3, η² = 0.129, P < 0.001

ADHD = ASD > TD