[Executive dysfunction in attention deficit hyperactivity disorder in childhood].
BACKGROUND
The principal problem of ADHD is the difficulty to execute inhibitory control. The inhibition is an executive function that is develop during childhood.


OBJECTIVE
To know if other executive functions shower a lower performance in ADHD versus control group and these were different between ADHD-I and ADHD-C.


METHODS
Fifty three children, between 7 to 10 years old, participated and were assess with EMIC and Simon task.


RESULTS
The results showed similar profile in working memory and verbal span. In contrast, ADHD-C showed lower performance in Simon task and more impulsively. On an other hand, ADHD-I showed lower performance in memory working tasks and planning.


CONCLUSIONS
These results suggest differences in the executive profile between ADHD-I and ADHD-C and these support the hypothesis of Barkley about the necessity to differ both clinical subtypes.
Romero-Ayuso
D M
DM
Departamento de Psicología Básica II, Procesos Cognitivos, Universidad Complutense de Madrid, Madrid, Spain. dulce.romero@uclm.es
Maestú
F
F
González-Marqués
J
J
Romo-Barrientos
C
C
Andrade
J M
JM
D001289:Attention Deficit Disorder with Hyperactivity / Q000145:classification / Q000503:physiopathology*; D002648:Child; D003072:Cognition Disorders / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008297:Male; D008568:Memory / Q000502:physiology*; D008960:Models, Psychological; D009483:Neuropsychological Tests