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Fethiye Kiliçaslan; Aybike Tan; Zulkif Tanriverdi – Journal of Attention Disorders, 2025
Introduction: Conflicting findings exist regarding the link between attention deficit hyperactivity disorder (ADHD) and cardiovascular diseases. This study aimed to evaluate the frontal QRS-T (fQRS-T) angle and its correlation with symptom severity in children diagnosed with ADHD. Methods: The study population consisted of 172 patients diagnosed…
Descriptors: Children, Attention Deficit Hyperactivity Disorder, Control Groups, Brain Hemisphere Functions
Shephard, Elizabeth; Tye, Charlotte; Ashwood, Karen L.; Azadi, Bahar; Asherson, Philip; Bolton, Patrick F.; McLoughlin, Grainne – Journal of Autism and Developmental Disorders, 2018
Altered power of resting-state neurophysiological activity has been associated with autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD), which commonly co-occur. We compared resting-state neurophysiological power in children with ASD, ADHD, co-occurring ASD + ADHD, and typically developing controls. Children with ASD…
Descriptors: Attention Deficit Hyperactivity Disorder, Control Groups, Autism, Pervasive Developmental Disorders
Belle, Janna; van Hulst, Branko M.; Durston, Sarah – Journal of Child Psychology and Psychiatry, 2015
Background: Intra-individual variability reflects temporal variation within an individual's performance on a cognitive task. Children with developmental disorders, such as ADHD and ASD show increased levels of intra-individual variability. In typical development, intra-individual variability decreases sharply between the ages 6 and 20. The tight…
Descriptors: Individual Differences, Attention Deficit Hyperactivity Disorder, Autism, Pervasive Developmental Disorders
Doehnert, Mirko; Brandeis, Daniel; Schneider, Gudrun; Drechsler, Renate; Steinhausen, Hans-Christoph – Journal of Child Psychology and Psychiatry, 2013
Background: This longitudinal electrophysiological study investigated the course of multiple impaired cognitive brain functions in attention-deficit/hyperactivity disorder (ADHD) from childhood to adulthood by comparing developmental trajectories of individuals with ADHD and typically developing controls. Methods: Subjects with ADHD ("N"…
Descriptors: Attention Deficit Hyperactivity Disorder, Physiology, Genetics, Longitudinal Studies
Seymour, Karen E.; Pescosolido, Matthew F.; Reidy, Brooke L.; Galvan, Thania; Kim, Kerri L.; Young, Matthew; Dickstein, Daniel P. – Journal of the American Academy of Child & Adolescent Psychiatry, 2013
Objective: Bipolar disorder (BD) and attention-deficit/hyperactivity disorder (ADHD) are often comorbid or confounded; therefore, we evaluated emotional face identification to better understand brain/behavior interactions in children and adolescents with either primary BD, primary ADHD, or typically developing controls (TDC). Method: Participants…
Descriptors: Identification, Accuracy, Attention Deficit Hyperactivity Disorder, Anxiety Disorders
Yordanova, Juliana; Albrecht, Bjorn; Uebel, Henrik; Kirov, Roumen; Banaschewski, Tobias; Rothenberger, Aribert; Kolev, Vasil – Brain, 2011
The maintenance of stable goal-directed behaviour is a hallmark of conscious executive control in humans. Notably, both correct and error human actions may have a subconscious activation-based determination. One possible source of subconscious interference may be the default mode network that, in contrast to attentional network, manifests…
Descriptors: Evidence, Attention Deficit Hyperactivity Disorder, Patients, Brain Hemisphere Functions
Liddle, Elizabeth B.; Hollis, Chris; Batty, Martin J.; Groom, Madeleine J.; Totman, John J.; Liotti, Mario; Scerif, Gaia; Liddle, Peter F. – Journal of Child Psychology and Psychiatry, 2011
Background: Deficits characteristic of attention deficit/hyperactivity disorder (ADHD), including poor attention and inhibitory control, are at least partially alleviated by factors that increase engagement of attention, suggesting a hypodopaminergic reward deficit. Lapses of attention are associated with attenuated deactivation of the default…
Descriptors: Attention Deficit Hyperactivity Disorder, Inhibition, Motivation, Drug Therapy
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
Spinelli, Simona; Vasa, Roma A.; Joel, Suresh; Nelson, Tess E.; Pekar, James J.; Mostofsky, Stewart H. – Journal of Child Psychology and Psychiatry, 2011
Background: Error processing is reflected, behaviorally, by slower reaction times (RT) on trials immediately following an error (post-error). Children with attention-deficit hyperactivity disorder (ADHD) fail to show RT slowing and demonstrate increased intra-subject variability (ISV) on post-error trials. The neural correlates of these behavioral…
Descriptors: Attention Deficit Hyperactivity Disorder, Inhibition, Correlation, Error Correction
Malisza, Krisztina L.; Clancy, Christine; Shiloff, Deborah; Foreman, Derek; Holden, Jeanette; Jones, Cheryl; Paulson, K.; Summers, Randy; Yu, C. T.; Chudley, Albert E. – Journal of Autism and Developmental Disorders, 2011
Functional magnetic resonance imaging (fMRI) during performance of a hidden figures task (HFT) was used to compare differences in brain function in children diagnosed with autism disorder (AD) compared to children with attention-deficit/hyperactivity disorder (ADHD) and typical controls (TC). Overall greater functional MRI activity was observed in…
Descriptors: Control Groups, Autism, Brain, Diagnostic Tests
Bruckmann, Sarah; Hauk, Daniela; Roessner, Veit; Resch, Franz; Freitag, Christine M.; Kammer, Thomas; Ziemann, Ulf; Rothenberger, Aribert; Weisbrod, Matthias; Bender, Stephan – Brain, 2012
Attention deficit hyperactivity disorder is one of the most frequent neuropsychiatric disorders in childhood. Transcranial magnetic stimulation studies based on muscle responses (motor-evoked potentials) suggested that reduced motor inhibition contributes to hyperactivity, a core symptom of the disease. Here we employed the N100 component of the…
Descriptors: Attention Deficit Hyperactivity Disorder, Stimulation, Reaction Time, Motor Reactions
Spinelli, Simona; Joel, Suresh; Nelson, Tess E.; Vasa, Roma A.; Pekar, James J.; Mostofsky, Stewart H. – Journal of the American Academy of Child & Adolescent Psychiatry, 2011
Objective: Attention-deficit/hyperactivity disorder (ADHD) is associated with difficulty inhibiting impulsive, hyperactive, and off-task behavior. However, no studies have examined whether a distinct pattern of brain activity precedes inhibitory errors in typically developing (TD) children and children with ADHD. In healthy adults, increased…
Descriptors: Attention Deficit Hyperactivity Disorder, Brain Hemisphere Functions, Children, Inhibition
Prehn-Kristensen, Alexander; Molzow, Ina; Munz, Manuel; Wilhelm, Ines; Muller, Kathrin; Freytag, Damaris; Wiesner, Christian D.; Baving, Lioba – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
Sleep supports the consolidation of declarative and procedural memory. While prefrontal cortex (PFC) activity supports the consolidation of declarative memory during sleep, opposite effects of PFC activity are reported with respect to the consolidation of procedural memory during sleep. Patients with attention-deficit/hyperactivity disorder (ADHD)…
Descriptors: Attention Deficit Hyperactivity Disorder, Patients, Memory, Sleep
Batty, Martin J.; Liddle, Elizabeth B.; Pitiot, Alain; Toro, Roberto; Groom, Madeleine J.; Scerif, Gaia; Liotti, Mario; Liddle, Peter F.; Paus, Tomas; Hollis, Chris – Journal of the American Academy of Child & Adolescent Psychiatry, 2010
Objective: Previous studies have shown smaller brain volume and less gray matter in children with attention-deficit/hyperactivity disorder (ADHD). Relatively few morphological studies have examined structures thought to subserve inhibitory control, one of the diagnostic features of ADHD. We examined one such region, the pars opercularis,…
Descriptors: Attention Deficit Hyperactivity Disorder, Inhibition, Brain Hemisphere Functions, Diagnostic Tests
Depue, B. E.; Burgess, G. C.; Willcutt, E. G.; Ruzic, L.; Banich, M. T. – Neuropsychologia, 2010
Studies of inhibitory control have focused on inhibition of motor responses. Individuals with ADHD consistently show reductions in inhibitory control and exhibit reduced activity of rLPFC activity compared to controls when performing such tasks. Recently these same brain regions have been implicated in the inhibition of memory retrieval. The…
Descriptors: Reaction Time, Inhibition, Memory, Severity (of Disability)