EEG in adults with Attention-Deficit/Hyperactivity Disorder

Clarke, Adam R.; Barry, Robert J.; Heaven, Patrick C. L.; McCarthy, Rory; Selikowitz, Mark; Byrne, Mitchell K.

doi:10.1016/j.ijpsycho.2008.07.001

Cited by 61 publications

(64 citation statements)

References 59 publications

(79 reference statements)

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“…At the same time, the powers in the δ and γ bands are also lower than those in the normal participants. These findings in the IC domain are in agreement with the findings of previous studies in the time domain [5,12,13,16].…”

Section: Discussionsupporting

confidence: 93%

“…As to the absolute β SP, the ADHD group had smaller values at the midline and higher powers of these oscillations in the right posterior region. These results were similar to those found in children with ADHD [12]. Another study where sustained attention was examined in normal adults during the CPT demonstrated considerable variability of the EEG rhythms [13].…”

Section: Introductionsupporting

confidence: 86%

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Effects of the ADHD Syndrome on the Frequency Composition of ERPs Revealed by Independent Component Analysis

et al. 2011

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In this study, we investigated the frequency characteristics of independent components (ICs) of event-related potentials (ERPs) recorded in persons with attention deficit/hyperactivity disorder (ADHD) and normal adults under conditions of continuous performance test (CPT). A group of 50 participants (10 ADHD subjects and 40 ones with no attention disorders) was examined. Independent component analysis was applied to the recorded signals. For ERP extraction, averages for each group of ICs, which were time-locked to the onset of stimuli, were calculated. Several frequency characteristics (704 items) were extracted from different ERPs in each IC. Eight features of the brain signals had a significant (P < 0.001) correlation with the participants' clinical presentation, which is consistent with the results of previous studies. The revealed promising relation can be used for further evaluation of the sustained attention level.Keywords: attention deficit/hyperactivity disorder (ADHD), continuous performance test (CPT), event-related potentials (ERPs), feature extraction, frequency rhythms, independent component analysis (ICA), sustained attention.

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Section: Discussionsupporting

confidence: 93%

Section: Introductionsupporting

confidence: 86%

Effects of the ADHD Syndrome on the Frequency Composition of ERPs Revealed by Independent Component Analysis

et al. 2011

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“…Despite the misconception that most children with ADHD mature out of the disorder, 30-65% take their symptoms into adulthood (Faraone, Biederman, & Mick, 2006). Deviant electroencephalographic (EEG) patterns of activity have been repeatedly observed in adults with ADHD during resting-state conditions (Bresnahan & Barry, 2002;Bresnahan, Barry, Clarke, & Johnstone et al, 2006;Clarke et al, 2008;Hermens et al, 2004;Koehler et al, 2009;Loo et al, 2009;Woltering, Jung, Liu, & Tannock, 2012). However, the investigation of coherence and connectivity differences in adult populations is limited.…”

Section: Comprehensive Neuro-programming In a Residential Contextmentioning

confidence: 99%

“…However, the investigation of coherence and connectivity differences in adult populations is limited. Clarke et al (2008) was the first to investigate pairwise coherence differences among male adults with ADHD and age-and gender-matched controls, during an eyes-closed condition. The study findings revealed reduced hemispheric differences in the delta band at long inter-electrode distances and reduced alpha coherence at short-medium inter-electrode distances among ADHD participants.…”

Section: Comprehensive Neuro-programming In a Residential Contextmentioning

confidence: 99%

Proceedings of the 2014 ISNR Conference

Clarke¹

2014

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A fundamental challenge of modern society is the development of effective approaches to enhance brain function and cognition in both healthy and impaired individuals. For the healthy, this serves as a core mission of our educational system and for the cognitively impaired this is a critical goal of our medical system. Unfortunately, there are serious and growing concerns about the ability of either system to meet this challenge. I will describe an approach developed in our lab that uses custom-designed video games to achieve meaningful and sustainable cognitive enhancement (e.g., Anguera et al., 2013), as well the next stage of our research program, which uses video games integrated with technological innovations in software (e.g., brain computer interface algorithms, Neurofeedback, GPU computing) and hardware (e.g., virtual reality headsets, mobile EEG, transcranial electrical brain stimulation) to create a novel personalized closed-loop system. I will share with you a vision of the future in which video games serve as an underlying engine to enhance our brain's information processing systems, thus reducing our reliance on non-specific drugs to treat neurological and psychiatric conditions and allowing us to better target our educational efforts. Online, Voluntary Control of Individual Neurons in the Human Brain Moran Cerf, PhDAssistant Professor of Business and Neuroscience, Kellogg School of Management, Illinois, USA and the University of California, Los Angeles, Department of Neurosurgery, California, USA Recording from single neurons in patients implanted with intracranial electrodes for clinical reasons, I will demonstrate that humans can regulate the activity of their neurons in the medial temporal lobe (MTL) to alter the outcome of the contest between external images and their internal representation using feedback from these neurons. I will discuss some of the works in real-time recording of the activity of individual neurons in the brains of humans in the last decade, and how these can be used to access the underlying mechanisms of our decisions, emotion, memory, and free will. Athletic performance has in the past focused on training the body. However, an athlete who can exercise volitional control of the levels of cognitive engagement and arousal of brain and body has an advantage during competition. A growing interest in a quantified self and the technological advances contributing to wearable sensors are creating a new opportunity in the field of sport psychology. The panel moderator will provide a brief overview of the most recent trends in the implementation of electroencephalography evaluation and training methods in professional and world-class level athletics. The panel will host professional athletes of wide-ranging demographics who have utilized these techniques to help them achieve the highest levels of success in the world of sports. Case-specific data of psychophysiological and performance outcomes will be elaborated upon as each athlete will describe his or her experiences of the evaluati...

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“…Electroencephalography (EEG) studies comparing adult individuals with ADHD to healthy controls have suggested a variety of different brain activity patterns including increased theta/beta ratios (Bresnahan, Anderson, & Barry, 1999;Bresnahan & Barry, 2002), increased theta and alpha activity (Koehler et al, 2008;White, 2003), and deviant activity in delta and beta frequencies (Clarke et al, 2008). However, the patterns of brain activity seem to be related to the ADHD subtypes (Arns, Conners, & Kraemer, 2012).…”

Section: Introductionmentioning

confidence: 99%

Effectiveness of Neurofeedback Treatment on Adult ADHD: A Meta-Analysis

Narimani

Ensafi

Aval

2018

PCP

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Objective:The aim of this meta-analysis was to determine the effectiveness of neurofeedback treatments in adults with Attention Deficit/ Hyperactivity Disorder (ADHD). Methods:A total of 9 studies were selected, and meta-analysis was done on them. The data were gathered from the following databases: PubMed, ScienceDirect, Springer, SID based on methodological conditions, topic and research design, and the effect size of each study was calculated. Results:The combined effect size of all the indicators was found to be significant according to Cohen's table, which means large or high effect size. The combined effect size for inattention is ES=0.0575 (P=0.0013), for impulsivity is ES=0.605 (P=0.0037), for hyperactivity is ES=0.545 (P=0.0384), for hyperactivity/impulsivity is ES=0.510 (P=0.001), and for total ADHD is ES=0.630 (P=0.0038). Conclusion:Based on the results of this meta-analysis, neurofeedback treatment was found to have a large effect in reducing ADHD symptoms in adults with attention deficit/ hyperactivity disorder.

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EEG in adults with Attention-Deficit/Hyperactivity Disorder

Cited by 61 publications

References 59 publications

Effects of the ADHD Syndrome on the Frequency Composition of ERPs Revealed by Independent Component Analysis

Effects of the ADHD Syndrome on the Frequency Composition of ERPs Revealed by Independent Component Analysis

Proceedings of the 2014 ISNR Conference

Effectiveness of Neurofeedback Treatment on Adult ADHD: A Meta-Analysis

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