Article Attention process Child Delis-Kaplan executive function system Evoked Potentials Executive Function Humans Inhibition, Psychological N200 Obese preadolescents Obesity P300a P300b Reaction Time Reactive inhibition Wide Range Achievement Test Wisconsin Card Sorting Test attention behavior behavior rating inventory of executive function body mass body weight brain electrophysiology child childhood obesity comparative study controlled study electroencephalogram electroencephalography event related potential