Figure 3.

fMRI responses to reward expectation and outcome. A, Responses in OFC to large versus small expected rewards in adolescents with ADHD and TD peers. B, Parameter estimates [arbitrary units (a.u.)] for responses to large versus small expected rewards in the left OFC differed between ADHD and TD groups (significant group-by-value interaction). C, Responses in the OFC to feedback of small versus large monetary outcomes in ADHD and TD participants. D, Parameter estimates for responses to large versus small reward outcomes in the OFC did not differ between ADHD and TD groups. *p < 0.05. n.s., nonsignificant; ct, cents. Error bars indicate SEM.