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Hale, T. Sigi; Loo, Sandra K.; Zaidel, Eran; Hanada, Grant; Macion, James; Smalley, Susan L. – Journal of Attention Disorders, 2009
Introduction: Early observations from lesion studies suggested right hemisphere (RH) dysfunction in ADHD. However, a strictly right-lateralized deficit has not been well supported. An alternatively view suggests increased R greater than L asymmetry of brain function and abnormal interhemispheric interaction. If true, RH pathology in ADHD should…
Descriptors: Brain Hemisphere Functions, Pathology, Brain, Cognitive Ability
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Huijbregts, Stephan C. J.; Warren, Alison J.; de Sonneville, Leo M. J.; Swaab-Barneveld, Hanna – Journal of Abnormal Child Psychology, 2008
This study examined whether children exposed to prenatal smoking show deficits in "hot" and/or "cool" executive functioning (EF). Hot EF is involved in regulation of affect and motivation, whereas cool EF is involved in handling abstract, decontextualized problems. Forty 7 to 9-year-old children (15 exposed to prenatal smoking, 25 non-exposed)…
Descriptors: At Risk Persons, Smoking, Hyperactivity, Pregnancy