Inclusion Criteria:  Born with CHD Underwent cardiopulmonary bypass surgery No genetic syndrome detected, no known dysmorphic-syndrome Aged 10 to 12 written informed consent of parents and verbal informed consent of children EF deficits showing in screening  Exclusion Criteria:  Failure to provide a signed Informed Consent Heart surgery without cardiopulmonary bypass Heart surgery not performed in Switzerland Any genetic syndrome detected large cerebral lesions (stroke, HIE) or severely neurologically impaired as a result of a serious event