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Yaojin Li; Jianwen Chen; Xintong Zheng; Jianxiu Liu; Cong Peng; Youguo Liao – Journal of Attention Disorders, 2023
Background: Executive function (EF) deficit is considered to be a core cognitive deficit in ADHD. The current study combined functional near-infrared spectroscopy (fNIRS) and numerical switching tasks to investigate the cognitive flexibility of adult ADHD as an important part of EF. Material and Methods: The Wender Utah Rating Scale and the adult…
Descriptors: Adults, Attention Deficit Hyperactivity Disorder, Executive Function, Spectroscopy
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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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Schecklmann, Martin; Ehlis, Ann-Christine; Plichta, Michael M.; Dresler, Thomas; Heine, Monika; Boreatti-Hummer, Andrea; Romanos, Marcel; Jacob, Christian; Pauli, Paul; Fallgatter, Andreas J. – Journal of Attention Disorders, 2013
Objective: It is an open question whether working memory (WM) and response inhibition (RI) constitute one integral phenotype in attention deficit hyperactivity disorder (ADHD). Method: The authors investigated 45 adult ADHD patients and 41 controls comparable for age, gender, intelligence, and education during a letter n-back and a stop-signal…
Descriptors: Attention Deficit Hyperactivity Disorder, Genetics, Task Analysis, Patients
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Frodl, Thomas – Journal of Attention Disorders, 2010
Introduction: ADHD has a high comorbidity with substance use disorders (SUD). Both diseases have profound social, psychological, and economic consequences and are therefore highly relevant for health systems. The high comorbidity indicates some shared underlying neurobiological substrates. Knowing these substrates may increase the understanding of…
Descriptors: Substance Abuse, Attention Deficit Hyperactivity Disorder, Spectroscopy, Diagnostic Tests