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https://www.readbyqxmd.com/read/28620288/age-related-changes-in-resting-state-eeg-activity-in-attention-deficit-hyperactivity-disorder-a-cross-sectional-study
#1
Katarzyna Giertuga, Marta Z Zakrzewska, Maksymilian Bielecki, Ewa Racicka-Pawlukiewicz, Malgorzata Kossut, Anita Cybulska-Klosowicz
Numerous studies indicate that attention deficit/hyperactivity disorder (ADHD) is related to some developmental trends, as its symptoms change widely over time. Nevertheless, the etiology of this phenomenon remains ambiguous. There is a disagreement whether ADHD is related to deviations in brain development or to a delay in brain maturation. The model of deviated brain development suggests that the ADHD brain matures in a fundamentally different way, and does not reach normal maturity at any developmental stage...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28587767/frontal-alpha-asymmetry-predicts-inhibitory-processing-in-youth-with-attention-deficit-hyperactivity-disorder
#2
Alissa J Ellis, Chantelle Kinzel, Giulia C Salgari, Sandra K Loo
INTRODUCTION: Atypical asymmetry in brain activity has been implicated in the behavioral and attentional dysregulation observed in ADHD. Specifically, asymmetry in neural activity in the right versus left frontal regions has been linked to ADHD, as well as to symptoms often associated with ADHD such as heightened approach behaviors, impulsivity and difficulties with inhibition. Clarifying the role of frontal asymmetry in ADHD-like traits, such as disinhibition, may provide information on the neurophysiological processes underlying these behaviors...
June 3, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28577262/altered-eeg-spectral-power-during-rest-and-cognitive-performance-a-comparison-of-preterm-born-adolescents-to-adolescents-with-adhd
#3
Anna-Sophie Rommel, Sarah-Naomi James, Gráinne McLoughlin, Daniel Brandeis, Tobias Banaschewski, Philip Asherson, Jonna Kuntsi
Preterm birth has been associated with an increased risk for ADHD-like behavioural symptoms and cognitive impairments. However, direct comparisons across ADHD and preterm-born samples on neurophysiological measures are limited. The aim of this analysis was to test whether quantitative EEG (QEEG) measures identify differences or similarities in preterm-born adolescents, compared to term-born adolescents with and without ADHD, during resting-state and cognitive task conditions. We directly compared QEEG activity between 186 preterm-born adolescents, 69 term-born adolescents with ADHD and 135 term-born control adolescents during an eyes-open resting-state condition (EO), which previously discriminated between the adolescents with ADHD and controls, and during a cued continuous performance task (CPT-OX)...
June 2, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/28478887/investigating-the-neurobiology-of-schizophrenia-and-other-major-psychiatric-disorders-with-transcranial-magnetic-stimulation
#4
REVIEW
Rachel E Kaskie, Fabio Ferrarelli
Characterizing the neurobiology of schizophrenia and other major psychiatric disorders is one of the main challenges of the current research in psychiatry. The availability of Transcranial Magnetic Stimulation (TMS) allows to directly probe virtually any cortical areas, thus providing a unique way to assess the neurophysiological properties of cortical neurons. This article presents a review of studies employing TMS in combination with Motor Evoked Potentials (TMS/MEPs) and high density Electroencephalogram (TMS/hd-EEG) in schizophrenia and other major psychiatric disorders...
May 3, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28449561/differences-in-resting-state-quantitative-electroencephalography-patterns-in-attention-deficit-hyperactivity-disorder-with-or-without-comorbid-symptoms
#5
Jun Won Kim, Soo Yeon Kim, Jae-Won Choi, Kyoung Min Kim, Sojeong Hannah Nam, Kyung Joon Min, Young Sik Lee, Tae Young Choi
Objective: The aim of the present study was to evaluate the role of comorbid psychiatric symptoms on quantitative electroencephalogram (QEEG) activities in boys with the attention deficit/hyperactivity disorder (ADHD). Methods: All participants were male students in the second, third or fourth grade in elementary school. Therefore, there were no significant differences in age or sex. Participants with ADHD were assigned to one of three groups: pure ADHD (n=22), ADHD with depressive symptoms (n=11), or ADHD with problematic internet use (n=19)...
May 31, 2017: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28442359/emg-biofeedback-training-in-adult-attention-deficit-hyperactivity-disorder-an-active-control-training
#6
Beatrix Barth, Kerstin Mayer, Ute Strehl, Andreas J Fallgatter, Ann-Christine Ehlis
OBJECTIVE: The present study aimed at revealing neurophysiological effects induced by electromyography (EMG) based biofeedback, considered as a semi-active control condition in neurofeedback studies, in adult attention-deficit/hyperactivity disorder (ADHD) patients. METHODS: 20 adult ADHD patients trained their muscle activity in the left and right supraspinatus muscle over the course of 30 EMG biofeedback sessions. Changes induced by the EMG feedback were evaluated at a clinical and neurophysiological level; additionally, the relation between changes in EEG activity recorded at the vertex over the training course and changes of symptom severity over the treatment course were assessed in order to investigate the mechanisms underlying clinical effects of EMG biofeedback...
June 30, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28428624/attentional-selection-predicts-rapid-automatized-naming-ability-in-chinese-speaking-children-with-adhd
#7
Encong Wang, Meirong Sun, Ye Tao, Xiaoyi Gao, Jialiang Guo, Chenguang Zhao, Hui Li, Qiujin Qian, Zhanliang Wu, Yufeng Wang, Li Sun, Yan Song
Children with attention-deficit/hyperactivity disorder (ADHD) are reported to have a significantly higher risk of showing reading difficulties or disorders. Here, we aimed to identify the relationship between electroencephalographic (EEG) marker of spatial attention and reading ability in Chinese children with ADHD. First, we demonstrated that rapid automatized naming (RAN) is a strong predictor of reading ability in Chinese-speaking children. Then, EEG data of 9-to 15-year-old children with ADHD (n = 38) and typically developing (TD) controls (n = 36) were collected while the children performed a classical visual search task...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28289850/neurophysiological-correlates-of-attentional-fluctuation-in-attention-deficit-hyperactivity-disorder
#8
Celeste H M Cheung, Gráinne McLoughlin, Daniel Brandeis, Tobias Banaschewski, Philip Asherson, Jonna Kuntsi
Cognitive performance in attention-deficit/hyperactivity disorder (ADHD) is characterised, in part, by frequent fluctuations in response speed, resulting in high reaction time variability (RTV). RTV captures a large proportion of the genetic risk in ADHD but, importantly, is malleable, improving significantly in a fast-paced, rewarded task condition. Using the temporal precision offered by event-related potentials (ERPs), we aimed to examine the neurophysiological measures of attention allocation (P3 amplitudes) and preparation (contingent negative variation, CNV), and their associations with the fluctuating RT performance and its improvement in ADHD...
May 2017: Brain Topography
https://www.readbyqxmd.com/read/28226287/to-make-a-molehill-out-of-a-mountain-an-erp-study-on-cognitive-reappraisal-of-negative-pictures-in-children-with-and-without-adhd
#9
Valerie Van Cauwenberge, Rachida El Kaddouri, Karel Hoppenbrouwers, Jan R Wiersema
OBJECTIVE: We investigated cognitive reappraisal in children with ADHD by means of the late positive potential (LPP) and self-report ratings. We expected diminished LPP modulation following reappraisal and lower self-report scores in children with ADHD. METHODS: Eighteen children with ADHD and 24 typically developing (TD) children (8-12years) performed a cognitive reappraisal task, while EEG was recorded, and filled out a questionnaire on cognitive reappraisal. RESULTS: Despite the lack of main reappraisal effects on LPP, the LPP was less positively modulated during reappraisal in ADHD compared to TD children...
April 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28224622/slc2a3-single-nucleotide-polymorphism-and-duplication-influence-cognitive-processing-and-population-specific-risk-for-attention-deficit-hyperactivity-disorder
#10
Sören Merker, Andreas Reif, Georg C Ziegler, Heike Weber, Ute Mayer, Ann-Christine Ehlis, Annette Conzelmann, Stefan Johansson, Clemens Müller-Reible, Indrajit Nanda, Thomas Haaf, Reinhard Ullmann, Marcel Romanos, Andreas J Fallgatter, Paul Pauli, Tatyana Strekalova, Charline Jansch, Alejandro Arias Vasquez, Jan Haavik, Marta Ribasés, Josep Antoni Ramos-Quiroga, Jan K Buitelaar, Barbara Franke, Klaus-Peter Lesch
BACKGROUND: Attention-deficit/hyperactivity disorder (ADHD) is a common, highly heritable neurodevelopmental disorder with profound cognitive, behavioral, and psychosocial impairments with persistence across the life cycle. Our initial genome-wide screening approach for copy number variants (CNVs) in ADHD implicated a duplication of SLC2A3, encoding glucose transporter-3 (GLUT3). GLUT3 plays a critical role in cerebral glucose metabolism, providing energy for the activity of neurons, which, in turn, moderates the excitatory-inhibitory balance impacting both brain development and activity-dependent neural plasticity...
February 22, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28145657/comparison-of-qeeg-findings-between-adolescents-with-attention-deficit-hyperactivity-disorder-adhd-without-comorbidity-and-adhd-comorbid-with-internet-gaming-disorder
#11
Jeong Ha Park, Ji Sun Hong, Doug Hyun Han, Kyoung Joon Min, Young Sik Lee, Baik Seok Kee, Sun Mi Kim
Internet gaming disorder (IGD) is often comorbid with attention deficit hyperactivity disorder (ADHD). In this study, we compared the neurobiological differences between ADHD comorbid with IGD (ADHD+IGD group) and ADHD without comorbidity (ADHD-only group) by analyzing quantitative electroencephalogram (QEEG) findings. We recruited 16 male ADHD+IGD, 15 male ADHD-only adolescent patients, and 15 male healthy controls (HC group). Participants were assessed using Young's Internet Addiction Scale and ADHD Rating Scale...
March 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28065167/diagnostic-utility-of-brain-activity-flow-patterns-analysis-in-attention-deficit-hyperactivity-disorder
#12
J Biederman, P Hammerness, B Sadeh, Z Peremen, A Amit, H Or-Ly, Y Stern, A Reches, A Geva, S V Faraone
BACKGROUND: A previous small study suggested that Brain Network Activation (BNA), a novel ERP-based brain network analysis, may have diagnostic utility in attention deficit hyperactivity disorder (ADHD). In this study we examined the diagnostic capability of a new advanced version of the BNA methodology on a larger population of adults with and without ADHD. METHOD: Subjects were unmedicated right-handed 18- to 55-year-old adults of both sexes with and without a DSM-IV diagnosis of ADHD...
January 9, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28058208/quantitative-eeg-in-attention-deficit-hyperactivity-disorder-a-companion-payment-policy-review-for-clinicians-and-payers
#13
Marc R Nuwer, Jeffrey Buchhalter, Katie M Shepard
Quantitative EEG measurement of the scalp vertex theta/beta ratio (TBR) is marketed as a tool for use in the evaluation of patients who may have attention-deficit/hyperactivity disorder (ADHD). The American Academy of Neurology (AAN) recently assessed the literature about this tool. The assessment urged caution, considering that the TBR remains an investigational research tool at this time. This perspective comments further on that assessment and its rationale, and recommends a perspective for the clinician and payer...
December 2016: Neurology. Clinical Practice
https://www.readbyqxmd.com/read/28041692/neurofeedback-one-of-today-s-techniques-in-psychiatry
#14
M Arns, J-M Batail, S Bioulac, M Congedo, C Daudet, D Drapier, T Fovet, R Jardri, M Le-Van-Quyen, F Lotte, D Mehler, J-A Micoulaud-Franchi, D Purper-Ouakil, F Vialatte
OBJECTIVES: Neurofeedback is a technique that aims to teach a subject to regulate a brain parameter measured by a technical interface to modulate his/her related brain and cognitive activities. However, the use of neurofeedback as a therapeutic tool for psychiatric disorders remains controversial. The aim of this review is to summarize and to comment the level of evidence of electroencephalogram (EEG) neurofeedback and real-time functional magnetic resonance imaging (fMRI) neurofeedback for therapeutic application in psychiatry...
April 2017: L'Encéphale
https://www.readbyqxmd.com/read/27939188/effects-of-working-memory-training-on-neural-correlates-of-go-nogo-response-control-in-adults-with-adhd-a-randomized-controlled-trial
#15
RANDOMIZED CONTROLLED TRIAL
Zhong-Xu Liu, Victoria Lishak, Rosemary Tannock, Steven Woltering
Working memory and response control are conceptualized as functions that are part of a closely connected and integrated executive function system mediated by the prefrontal cortex and other related brain structures. In the present paper, we asked whether effects of intensive and adaptive computerized working memory training (CWMT) would generalize to enhancements in response control at behavioral and neural levels. A total of 135 postsecondary students with Attention-Deficit/Hyperactivity Disorder (ADHD), a condition associated with executive function impairments, were randomized into a Standard-length CWMT (45-min /session, 25 sessions), Shortened-length CWMT (15min/session, 25 sessions), and a waitlist group...
January 27, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/27938591/-electroencephalogram-power-development-of-cognitive-function-at-age-7-to-12-years-a-comparative-study-between-attention-deficit-hyperactivity-disorder-and-healthy-children
#16
Q R Cheng, H J Shen, W J Tu, Q F Zhang, X Dong
Objective: To compare brain electrical cognitive tasks and brain development between study about 7 to 12 years old attention deficit hyperactivity disorder (ADHD) and normal children. Method: Prospectic case-control study was used. A total of 110 children with ADHD (63 boys and 47 girls) and 116 normal children (66 boys and 50 girls), were enrolled in this study. The electroencephalogram (EEG) was recorded when attention tasks were conducted, the EEG power was extracted from the original data and comparatively analyzed the absolute power (θ, α, β spectrum) and relative power (θ/total, α/total, θ/α, θ/β)...
December 2, 2016: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/27910865/auditory-evoked-potential-could-reflect-emotional-sensitivity-and-impulsivity
#17
Ji Sun Kim, Sungkean Kim, Wookyoung Jung, Chang-Hwan Im, Seung-Hwan Lee
Emotional sensitivity and impulsivity could cause interpersonal conflicts and neuropsychiatric problems. Serotonin is correlated with behavioral inhibition and impulsivity. This study evaluated whether the loudness dependence of auditory evoked potential (LDAEP), a potential biological marker of central serotonergic activity, could reflect emotional sensitivity and impulsivity. A total of 157 healthy individuals were recruited, who performed LDAEP and Go/Nogo paradigms during electroencephalogram measurement...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27866283/learning-curves-of-theta-beta-neurofeedback-in-children-with-adhd
#18
RANDOMIZED CONTROLLED TRIAL
Tieme W P Janssen, Marleen Bink, Wouter D Weeda, Katleen Geladé, Rosa van Mourik, Athanasios Maras, Jaap Oosterlaan
Neurofeedback is widely applied as non-pharmacological intervention aimed at reducing symptoms of ADHD, even though efficacy has not been unequivocally established. Neuronal changes during the neurofeedback intervention that resemble learning can provide crucial evidence for the feasibility and specificity of this intervention. A total of 38 children (aged between 7 and 13 years) with a DSM-IV-TR diagnosis of ADHD, completed on average 29 sessions of theta (4-8 Hz)/beta (13-20 Hz) neurofeedback training...
May 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/27829128/theta-beta-neurofeedback-in-children-with-adhd-feasibility-of-a-short-term-setting-and-plasticity-effects
#19
Jessica Van Doren, Hartmut Heinrich, Mareile Bezold, Nina Reuter, Oliver Kratz, Stefanie Horndasch, Matthias Berking, Tomas Ros, Holger Gevensleben, Gunther H Moll, Petra Studer
Neurofeedback (NF) is increasingly used as a therapy for attention-deficit/hyperactivity disorder (ADHD), however behavioral improvements require 20 plus training sessions. More economic evaluation strategies are needed to test methodological optimizations and mechanisms of action. In healthy adults, neuroplastic effects have been demonstrated directly after a single session of NF training. The aim of our study was to test the feasibility of short-term theta/beta NF in children with ADHD and to learn more about the mechanisms underlying this protocol...
February 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/27822696/the-effects-of-risk-factors-on-eeg-and-seizure-in-children-with-adhd
#20
Ayşe Kartal, Erhan Aksoy, Gülhis Deda
Attention-deficit hyperactivity disorder (ADHD) is one of the most commonly seen developmental disorders in childhood. Its etiology, however, is not well known even though bio-psycho-social reasons have been thought to play a big role. The aims of this retrospective study are to identify the risk factors of ADHD in patients diagnosed with ADHD in childhood, analyze the relationship between clinical symptoms and risk factors to which they were exposed and determine their effects on prospective electrophysiological findings...
March 2017: Acta Neurologica Belgica
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