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Nuray Akkaya; Bürge Kabukçu Basay; Özkan Urak; Ömer Basay; Füsun Sahin – Journal of Attention Disorders, 2025
Objective: The study aimed to investigate whether the fine motor skills measured by the Functional Dexterity Test (FDT) in ADHD children differ from healthy controls. The second aim was to assess the applicability of the FDT assessment method among ADHD children. Method: The FDT results as an objective assessment of hand skills were compared…
Descriptors: Psychomotor Skills, Attention Deficit Hyperactivity Disorder, Children, Adolescents
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Oner, Ozgur; Akin, Ata; Herken, Hasan; Erdal, Mehmet Emin; Ciftci, Koray; Ay, Mustafa Ertan; Bicer, Duygu; Oncu, Bedriye; Bozkurt, Ozlem Hekim; Munir, Kerim; Yazgan, Yanki – Journal of Attention Disorders, 2011
Objective: To investigate the interaction of treatment-related hemodynamic changes with genotype status for Synaptosomal associated protein 25 (SNAP-25) gene in participants with attention deficit hyperactivity disorder (ADHD) on and off single dose short-acting methylphenidate treatment with functional near-infrared spectroscopy (fNIRS). Method:…
Descriptors: Attention Deficit Hyperactivity Disorder, Metabolism, Spectroscopy, Genetics
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Ghanizadeh, Ahmad – Journal of Attention Disorders, 2013
Objective: Findings about the association of left-handedness and ADHD are inconsistent. While abnormal brain laterality is reported in children with ADHD, it is unclear if hand preference is associated with ADHD, severity symptoms, age, gender, comorbid psychiatric problems, or parental characteristics. Method: Subjects were 520 boys and girls…
Descriptors: Foreign Countries, Handedness, Attention Deficit Hyperactivity Disorder, Brain
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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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Rolfe, Mei Hsin Suzanne; Hausmann, Markus; Waldie, Karen E. – Journal of Attention Disorders, 2006
Objective: The authors investigated line bisection performance in children with Attention-Deficit/Hyperactivity Disorder (AD/HD) subtypes. Previous research with neurotypical children found a rightward bias with right-hand use and a leftward bias with left-hand use; however, research with AD/HD participants has failed to similarly measure the…
Descriptors: Hyperactivity, Attention Deficit Disorders, Brain Hemisphere Functions, Children