the aim of this study was to evaluate clinical and neuropsychological findings in children with suspicion of attention deficity hyperactivity disorder (adhd). the assessment involved 150 children aged 7 to 14 referred to nani at unifesp. results: 75 children (55 m and 20 f) fulfilled the criteria for adhd, among which 35 were of the inattentive type, 28 of combined type and 12 were hyperactive/impulsive. there was negative correlation between the digit score and the corsi test. children with hyperactivity and impulsivity had a low performance for functional memory. children with oppositional defiant disorder presented pattern changes in adaptability when there was a change in the rhythm the stimuli were presented and lower adaptation to time variability (hit rt), in addition to higher rates of omission in the continuous performance test. conclusion: this study suggests multiple interrelations between the scores of neuropsychological battery useful for detailed delimitation of the clinical profile of children with adhd.