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https://www.readbyqxmd.com/read/27910865/auditory-evoked-potential-could-reflect-emotional-sensitivity-and-impulsivity
#1
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
#2
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...
November 19, 2016: 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
#3
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...
November 6, 2016: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/27822696/the-effects-of-risk-factors-on-eeg-and-seizure-in-children-with-adhd
#4
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...
November 7, 2016: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/27798290/medication-effects-on-eeg-biomarkers-in-attention-deficit-hyperactivity-disorder
#5
Havva Nuket Isiten, Merve Cebi, Bernis Sutcubasi Kaya, Baris Metin, Nevzat Tarhan
EEG biomarkers have become increasingly used to aid in diagnosis of attention-deficit/hyperactivity disorder (ADHD). Despite several studies suggesting that EEG theta/beta ratio may help discriminating ADHD from other disorders, the effect of medications on theta/beta ratio is not known. Forty-three children with ADHD that were evaluated with quantitative EEG before and after methylphenidate were included in the study. Theta/beta ratio, theta and beta powers for whole brain, central, and frontal areas were calculated...
October 25, 2016: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27760867/practice-advisory-the-utility-of-eeg-theta-beta-power-ratio-in-adhd-diagnosis-report-of-the-guideline-development-dissemination-and-implementation-subcommittee-of-the-american-academy-of-neurology
#6
David Gloss, Jay K Varma, Tamara Pringsheim, Marc R Nuwer
OBJECTIVE: To evaluate the evidence for EEG theta/beta power ratio for diagnosing, or helping to diagnose, attention-deficit/hyperactivity disorder (ADHD). METHODS: We identified relevant studies and classified them using American Academy of Neurology criteria. RESULTS: Two Class I studies assessing the ability of EEG theta/beta power ratio and EEG frontal beta power to identify patients with ADHD correctly identified 166 of 185 participants...
October 19, 2016: Neurology
https://www.readbyqxmd.com/read/27736099/impaired-processing-of-task-irrelevant-salient-information-in-adults-with-attention-deficit-hyperactivity-disorder-evidence-from-event-related-potentials
#7
Elke Godefroid, Jan R Wiersema
The current study examined the mechanisms of attention allocation in adult ADHD to investigate the frequently reported diminished target processing in ADHD as well as the less consistently observed increased distractibility by task-irrelevant distracting stimuli. To this end, while high-density EEG was recorded, 25 adults with ADHD and 23 healthy controls completed a 4-stimulus oddball task that comprised a frequently presented standard stimulus and 3 different categories of equally infrequent stimuli: task-relevant targets, task-irrelevant nontargets, and task-irrelevant unfamiliar novels...
October 13, 2016: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/27708600/attention-deficit-hyperactivity-disorder-adhd-diagnosis-an-activation-executive-model
#8
Celestino Rodríguez, Paloma González-Castro, Marisol Cueli, Debora Areces, Julio A González-Pienda
Attention deficit with, or without, hyperactivity and impulsivity (ADHD) is categorized as neuro-developmental disorder. ADHD is a common disorder in childhood and one of the most frequent conditions affecting school ages. This disorder is characterized by a persistent behavioral pattern associated with inattention, over-activity (or hyperactivity), and difficulty in controlling impulses. Current research suggests the existence of certain patterns of cortical activation and executive control, which could more objectively identify ADHD...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27687682/adhd-symptoms-in-post-institutionalized-children-are-partially-mediated-by-altered-frontal-eeg-asymmetry
#9
Tahl I Frenkel, Kalsea J Koss, Bonny Donzella, Kristin A Frenn, Connie Lamm, Nathan A Fox, Megan R Gunnar
Individual differences in the propensity for left versus right frontal electroencephalogram (EEG) asymmetry may underlie differences in approach/withdrawal tendencies and mental health deficits. Growing evidence suggests that early life adversity may shape brain development and contribute to the emergence of mental health problems. The present study examined frontal EEG asymmetry (FEA) following the transition to family care in children adopted internationally from institutional care settings between 15 and 36 months of age (N = 82; 46 female, 36 male)...
September 29, 2016: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/27645286/acth-has-beneficial-effects-on-stuttering-in-adhd-and-asd-patients-with-eses-a-retrospective-study
#10
Attila Altunel, Ali Sever, Emine Özlem Altunel
INTRODUCTION: Etiology of stuttering remains unknown and no pharmacologic intervention has been approved for treatment. We aimed to evaluate EEG parameters and the effect of adrenocorticotropic hormone (ACTH) therapy in stuttering. METHODS: In this retrospective study, 25 patients with attention deficit and hyperactivity (ADHD) or autism spectrum disorder (ASD), and comorbid stuttering were followed and treated with ACTH for electrical status epilepticus in sleep (ESES)...
September 16, 2016: Brain & Development
https://www.readbyqxmd.com/read/27631272/attention-during-functional-tasks-is-associated-with-motor-performance-in-children-with-developmental-coordination-disorder-a-cross-sectional-study
#11
Shirley S M Fong, Joanne W Y Chung, Yoyo T Y Cheng, Timothy T T Yam, Hsiu-Ching Chiu, Daniel Y T Fong, C Y Cheung, Lily Yuen, Esther Y T Yu, Yeung Sam Hung, Duncan J Macfarlane, Shamay S M Ng
This cross-sectional and exploratory study aimed to compare motor performance and electroencephalographic (EEG) attention levels in children with developmental coordination disorder (DCD) and those with typical development, and determine the relationship between motor performance and the real-time EEG attention level in children with DCD.Eighty-six children with DCD [DCD: n = 57; DCD and attention deficit hyperactivity disorder (ADHD): n = 29] and 99 children with typical development were recruited...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27514985/the-neuronal-mechanisms-underlying-improvement-of-impulsivity-in-adhd-by-theta-beta-neurofeedback
#12
Annet Bluschke, Felicia Broschwitz, Simon Kohl, Veit Roessner, Christian Beste
Neurofeedback is increasingly recognized as an intervention to treat core symptoms of attention deficit hyperactivity disorder (ADHD). Despite the large number of studies having been carried out to evaluate its effectiveness, it is widely elusive what neuronal mechanisms related to the core symptoms of ADHD are modulated by neurofeedback. 19 children with ADHD undergoing 8 weeks of theta/beta neurofeedback and 17 waiting list controls performed a Go/Nogo task in a pre-post design. We used neurophysiological measures combining high-density EEG recording with source localization analyses using sLORETA...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27493489/eeg-power-spectrum-analysis-in-children-with-adhd
#13
Akira Kamida, Kenta Shimabayashi, Masayoshi Oguri, Toshihiro Takamori, Naoyuki Ueda, Yuki Koyanagi, Naoko Sannomiya, Haruki Nagira, Saeko Ikunishi, Yuiko Hattori, Kengo Sato, Chisako Fukuda, Yasuaki Hirooka, Yoshihiro Maegaki
BACKGROUND: Attention deficit disorder/hyperactivity disorder (ADHD) is a pathological condition that is not fully understood. In this study, we investigated electroencephalographic (EEG) power differences between children with ADHD and healthy control children. METHODS: EEGs were recorded as part of routine medical care received by 80 children with ADHD aged 4-15 years at the Department of Pediatric Neurology in Tottori University Hospital. Additionally, we recorded in 59 control children aged 4-15 years after obtaining informed consent...
June 2016: Yonago Acta Medica
https://www.readbyqxmd.com/read/27478936/self-report-of-adhd-shows-limited-agreement-with-objective-markers-of-persistence-and-remittance
#14
Ebba Du Rietz, Celeste H M Cheung, Gráinne McLoughlin, Daniel Brandeis, Tobias Banaschewski, Philip Asherson, Jonna Kuntsi
OBJECTIVE: A controversial issue is whether self-report of symptoms and impairment is sufficient for diagnosis of attention-deficit/hyperactivity disorder (ADHD) in adolescents and adults in the absence of other informants, such as parents. The present study investigated how well self-report is reflected by cognitive-neurophysiological and actigraph measures, which we have previously shown to discriminate between ADHD persisters, remitters and controls using parent-report (Cheung et al...
November 2016: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/27464584/commonalities-in-eeg-spectral-power-abnormalities-between-women-with-adhd-and-women-with-bipolar-disorder-during-rest-and-cognitive-performance
#15
Anna-Sophie Rommel, Glenn L Kitsune, Giorgia Michelini, Georgina M Hosang, Philip Asherson, Gráinne McLoughlin, Daniel Brandeis, Jonna Kuntsi
While attention-deficit/hyperactivity disorder (ADHD) and bipolar disorder (BD) denote distinct psychiatric conditions, diagnostic delineation is impeded by considerable symptomatic overlap. Direct comparisons across ADHD and BD on neurophysiological measures are limited. They could inform us on impairments that are specific to or shared between the disorders and, therefore, potential biomarkers that may aid in the identification of the diagnostic boundaries. Our aim was to test whether quantitative EEG (QEEG) identifies differences or similarities between women with ADHD and women with BD during resting-state and task conditions...
November 2016: Brain Topography
https://www.readbyqxmd.com/read/27453081/effects-of-d-methylphenidate-guanfacine-and-their-combination-on-electroencephalogram-resting-state-spectral-power-in-attention-deficit-hyperactivity-disorder
#16
Sandra K Loo, Robert M Bilder, Alexander L Cho, Alexandra Sturm, Jennifer Cowen, Patricia Walshaw, Jennifer Levitt, Melissa Del'Homme, John Piacentini, James J McGough, James T McCracken
OBJECTIVE: Psychostimulant medications are the gold standard of treatment for attention-deficit/hyperactivity disorder (ADHD); however, a significant minority (∼30%) of individuals with ADHD fail to respond favorably. Noradrenergic agents are increasingly used as ADHD monotherapies or adjuncts for suboptimal stimulant response, yet knowledge of their cortical effects is limited. This study is the first to examine comparative effects of guanfacine (an α adrenergic 2A agonist), psychostimulant, and their combination on resting state cortical activity in ADHD...
August 2016: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/27382758/-study-of-event-related-brain-potential-in-children-with-attention-deficit-hyperactivity-disorder
#17
Li Zhu, Quan Zeng, Yangting Jiang, Jia Chen, Liying Zhang
This study aims to explore the differences of event-related potential (ERP) between attention deficit hyperactivity disorder (ADHD) and normal children, so that these differences provide scientific basis for the diagnosis of ADHD. Eight children were identified to be ADHD group by the diagnostic criteria of DSM-IV (diagnostic and statistical manual of mental disorders-IV), and the control group also consisted of 8 normal children. Modified visual-continuous performance test (CPT) was used as the experiment paradigm...
February 2016: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
https://www.readbyqxmd.com/read/27364329/functional-impact-of-an-adhd-associated-diras2-promoter-polymorphism
#18
Lena Grünewald, Elisabeth Toverud Landaas, Julia Geissler, Heike Weber, Carina Quast, Simone Röh, Christoph Schartner, Klaus-Peter Lesch, Marcel Romanos, Sarah Kittel-Schneider, Elisabeth Binder, Andreas Reif
The DIRAS2 gene is coding for a small Ras GTPase with so far unknown function. In a previous study, we described the association of DIRAS2 rs1412005, as well as a haplotype containing this polymorphism and located in the promoter region of this gene with attention-deficit/hyperactivity disorder (ADHD). In the present study, we searched for rare variants within or near the DIRAS2 gene that might be associated with ADHD using next-generation sequencing. As we were not able to detect any rare variants associated with the disease, we sought to establish a functional role of DIRAS2 rs1412005 on the molecular or systems level...
December 2016: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27349043/-clinical-and-neurophysiological-data-of-neurofeedback-therapy-in-children-with-adhd
#19
Alicja Kubik, Paweł Kubik, Martyna Stanios, Bogusława Kraj
INTRODUCTION: ADHD occurs in 3% of school-age children (and in 70% of them in adulthood) and represents an important medical and social problem. It is characterized by attention deficits, hyperactivity and impulsiveness. Neurofeedback therapy (EEG biofeedback, NF) is carried out based on the analysis of EEG. OBJECTIVE: To investigate the effect of NF therapy on clinical status and parameters of the EEG in ADHD. MATERIALS AND METHODS: In the years 2007-2014, 287 children (191 boys), aged 6-17 years were included into the study...
2016: Przegla̧d Lekarski
https://www.readbyqxmd.com/read/27344621/eeg-beta-and-low-gamma-power-correlates-with-inattention-in-patients-with-major-depressive-disorder
#20
Sang-Choong Roh, Eun-Jin Park, Miseon Shim, Seung-Hwan Lee
BACKGROUND: Inattention is a common feature of major depressive disorder (MDD). The aim of this study was to explore the relationship between quantitative electroencephalography (qEEG) power of a specific band and inattention severity in patients with MDD. METHODS: EEG recordings of 73 patients with MDD were collected in during both eyes closed and eyes open conditions. Inattention was assessed by the inattention sub-scale of the Korean version of the Adult ADHD scale (K-AADHD)...
November 1, 2016: Journal of Affective Disorders
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