Table 2.
Genu | Rostral body | Midbody | Isthmus | Splenium | |
---|---|---|---|---|---|
Mean reaction timea | |||||
ADHD + TD (n = 101) | 0.09 | 0.18 | 0.16 | 0.11 | 0.04 |
Male | 0.25 | 0.25 | 0.21 | 0.06 | 0.08 |
Female | 0.14 | 0.01 | 0.04 | 0.16 | –0.04 |
TD only (n = 45) | 0.05 | 0.18 | –0.06 | –0.10 | –0.16 |
Male | 0.02 | 0.14 | –0.06 | –0.24 | –0.26 |
Female | 0.03 | 0.21 | –0.10 | –0.01 | –0.09 |
ADHD only (n = 56) | 0.13 | 0.17 | 0.40b | 0.40b | 0.21 |
Male | 0.04 | 0.33 | 0.47b | 0.34 | 0.29 |
Female | 0.35 | –0.40 | 0.24 | 0.54b | 0.01 |
Intrasubject variabilitya | |||||
ADHD + TD | 0.05 | 0.33c | 0.04 | 0.03 | 0.11 |
Male | 0.05 | 0.40b | –0.02 | –0.10 | 0.05 |
Female | 0.05 | 0.22 | 0.15 | 0.18 | 0.20 |
TD only | 0.06 | 0.30 | 0.15 | 0.00 | 0.08 |
Male | 0.00 | 0.51 | 0.07 | –0.39 | –0.11 |
Female | 0.22 | 0.10 | 0.32 | 0.39 | 0.34 |
ADHD only | 0.05 | 0.30 | –0.07 | 0.10 | 0.12 |
Male | 0.04 | 0.27 | –0.14 | 0.16 | 0.13 |
Female | 0.03 | 0.35 | 0.07 | 0.02 | 0.05 |
Commission errors | |||||
ADHD + TD | 0.07 | 0.14 | 0.05 | 0.11 | 0.07 |
Male | 0.14 | 0.28 | 0.04 | 0.09 | 0.06 |
Female | 0.08 | 0.00 | 0.10 | 0.18 | 0.16 |
TD only | 0.09 | 0.17 | 0.31 | 0.18 | 0.12 |
Male | –0.02 | 0.54b | 0.44 | –0.01 | 0.14 |
Female | 0.30 | –0.14 | 0.17 | 0.35 | 0.15 |
ADHD only | 0.06 | 0.08 | –0.19 | 0.06 | 0.02 |
Male | 0.20 | 0.10 | –0.27 | 0.14 | 0.00 |
Female | –0.18 | 0.18 | 0.03 | –0.10 | 0.17 |
NOTE: TD, typically developing; ADHD, attention-deficit hyperactivity disorder.
Behavioral data were log-transformed.
P <.05
P < .01, after Bonferroni correction.