ADHD is regarded as a construct that subsumes multiple potentially dissociable but overlapping cognitive profiles. The objective of the current study was to reconsider the impairment on executive function (EF) in ADHD on the light of distinction between affective/motivational (“hot”) and more purely cognitive aspects (“cool”) of EF, examining the performance on a neuropsychological battery. Twenty-five children with ADHD and 25 healthy controls were administered measures of estimated intellectual ability, sustained attention, set shifting, inhibitory control, delay aversion, and decision-making. Behavioural ratings were obtained. The controls were matched in gender, age and IQ with the ADHD group. ADHD children performed worse than controls in all tasks. A discriminant analysis was conducted, the combination of the entire measures discriminated correctly the 88% of both groups. There was an overlapping distribution of impairment based on percentage of individuals in each group “impaired” (>1.5 SD). Twenty percent of children with ADHD showed dysfunction only in “hot” EF, 8% in “cool” EF, and 60% had dysfunction in both. The probability of impairment in “hot” and “cool” EF was independent. The presence of impairments in incentive, motivational and reward-related processing suggests that both ‘hot’ and ‘cool’ EF deficits are present in children with ADHD.