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Kannen K, Rasbach J, Fantazi A, Wiebe A, Selaskowski B, Asché L, Aslan B, Lux S, Herrmann CS, Philipsen A, Braun N. Alpha modulation via transcranial alternating current stimulation in adults with attention-deficit hyperactivity disorder. Front Psychol 2024; 14:1280397. [PMID: 38282845 PMCID: PMC10812111 DOI: 10.3389/fpsyg.2023.1280397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 11/23/2023] [Indexed: 01/30/2024] Open
Abstract
Background One potential therapy treating attention-deficit/hyperactivity disorder (ADHD) is to modulate dysfunctional brain activations using brain stimulation techniques. While the number of studies investigating the effect of transcranial direct current stimulation on ADHD symptoms continues to increase, transcranial alternating current stimulation (tACS) is poorly examined. Previous studies reported impaired alpha brain oscillation (8-12 Hz) that may be associated with increased attention deficits in ADHD. Our aim was to enhance alpha power in adult ADHD patients via tACS, using different methods to explore potential therapeutic effects. Methods Undergoing a crossover design, adults with ADHD received active and sham stimulation on distinct days. Before and after each intervention, mean alpha power, attention performance, subjective symptom ratings, as well as head and gaze movement were examined. Results Frequency analyses revealed a significant power increase in the alpha band after both interventions. Despite a trend toward an interaction effect, this alpha power increase was, however, not significantly higher after active stimulation compared to sham stimulation. For the other measures, some additional pre-post effects were found, which were not intervention-related. Conclusion Our study cannot provide clear evidence for a tACS-induced increase in alpha power in adult ADHD patients, and thus no stimulation related improvement of attention parameters. We provide further recommendations for the future investigation of tACS as a potential ADHD treatment.
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Affiliation(s)
- Kyra Kannen
- Department of Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Johanna Rasbach
- Department of Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Amin Fantazi
- Department of Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Annika Wiebe
- Department of Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Benjamin Selaskowski
- Department of Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Laura Asché
- Department of Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Behrem Aslan
- Department of Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Silke Lux
- Department of Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Christoph S. Herrmann
- Experimental Psychology Lab, Department of Psychology, University of Oldenburg, Oldenburg, Germany
| | - Alexandra Philipsen
- Department of Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Niclas Braun
- Department of Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
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2
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Upshaw JD, Shields GS, Judah MR, Zabelina DL. Electrophysiological effects of smartphone notifications on cognitive control following a brief mindfulness induction. Biol Psychol 2024; 185:108725. [PMID: 37993083 DOI: 10.1016/j.biopsycho.2023.108725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 11/15/2023] [Accepted: 11/15/2023] [Indexed: 11/24/2023]
Abstract
Smartphone use is nearly ubiquitous, with 93% of adults among economically developed countries, including the United States, Canada, Israel, and South Korea owning a smartphone (Taylor & Silver, 2019). Multiple studies have demonstrated the distracting effects of smartphone notifications on behavioral measures of cognition. Fewer studies have examined the effects of notifications on neural activity underlying higher-level cognitive processes or behavioral inductions to reduce smartphone-related distraction. Using EEG spectral frequency power densities, we assessed the effects of smartphone notifications (vs. control trials) on engagement of attentional shifting processes involved in cognitive control during a Navon Letter visual oddball task. Participants were randomly assigned to a brief mindfulness induction (N = 44) or a neutral narration control condition (N = 43). Overall, participants had lower theta-band power, but higher alpha- and beta-band power densities on target letter trials preceded by smartphone notifications. Additionally, participants in the mindfulness (vs. control) condition had a larger attention shifting oddball assessed via theta power density and theta/beta ratio (TBR) values-reflecting increased engagement of cognitive control-particularly on smartphone notification (vs. control) trials. Altogether, these results provide evidence supporting the idea that smartphone notifications can decrease activity of neural correlates of cognitive control, and offer the promise of a brief mindfulness induction to buffer against the effects of smartphone notifications on cognitive control. The findings indicate a need for further research on mindfulness inductiosn as a means to reduce potential distraction caused by smartphones.
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Affiliation(s)
- Joshua D Upshaw
- Department of Psychological Sciences, University of Arkansas, 480 N. Campus Walk, Fayetteville, AR 72701, USA.
| | - Grant S Shields
- Department of Psychological Sciences, University of Arkansas, 480 N. Campus Walk, Fayetteville, AR 72701, USA
| | - Matt R Judah
- Department of Psychological Sciences, University of Arkansas, 480 N. Campus Walk, Fayetteville, AR 72701, USA
| | - Darya L Zabelina
- Department of Psychological Sciences, University of Arkansas, 480 N. Campus Walk, Fayetteville, AR 72701, USA
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3
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Zhang DW, Johnstone SJ, Sauce B, Arns M, Sun L, Jiang H. Remote neurocognitive interventions for attention-deficit/hyperactivity disorder - Opportunities and challenges. Prog Neuropsychopharmacol Biol Psychiatry 2023; 127:110802. [PMID: 37257770 DOI: 10.1016/j.pnpbp.2023.110802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 05/23/2023] [Accepted: 05/24/2023] [Indexed: 06/02/2023]
Abstract
Improving neurocognitive functions through remote interventions has been a promising approach to developing new treatments for attention-deficit/hyperactivity disorder (AD/HD). Remote neurocognitive interventions may address the shortcomings of the current prevailing pharmacological therapies for AD/HD, e.g., side effects and access barriers. Here we review the current options for remote neurocognitive interventions to reduce AD/HD symptoms, including cognitive training, EEG neurofeedback training, transcranial electrical stimulation, and external cranial nerve stimulation. We begin with an overview of the neurocognitive deficits in AD/HD to identify the targets for developing interventions. The role of neuroplasticity in each intervention is then highlighted due to its essential role in facilitating neuropsychological adaptations. Following this, each intervention type is discussed in terms of the critical details of the intervention protocols, the role of neuroplasticity, and the available evidence. Finally, we offer suggestions for future directions in terms of optimizing the existing intervention protocols and developing novel protocols.
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Affiliation(s)
- Da-Wei Zhang
- Department of Psychology/Center for Place-Based Education, Yangzhou University, Yangzhou, China; Department of Psychology, Monash University Malaysia, Bandar Sunway, Malaysia.
| | - Stuart J Johnstone
- School of Psychology, University of Wollongong, Wollongong, Australia; Brain & Behaviour Research Institute, University of Wollongong, Australia
| | - Bruno Sauce
- Department of Biological Psychology, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Martijn Arns
- Research Institute Brainclinics, Brainclinics Foundation, Nijmegen, Netherlands; Department of Experimental Psychology, Utrecht University, Utrecht, Netherlands; NeuroCare Group, Nijmegen, Netherlands
| | - Li Sun
- Peking University Sixth Hospital/Institute of Mental Health, Beijing, China; National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health, Ministry of Health, Peking University, Beijing, China
| | - Han Jiang
- College of Special Education, Zhejiang Normal University, Hangzhou, China
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4
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Luo N, Luo X, Zheng S, Yao D, Zhao M, Cui Y, Zhu Y, Calhoun VD, Sun L, Sui J. Aberrant brain dynamics and spectral power in children with ADHD and its subtypes. Eur Child Adolesc Psychiatry 2023; 32:2223-2234. [PMID: 35996018 PMCID: PMC10576687 DOI: 10.1007/s00787-022-02068-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 08/08/2022] [Indexed: 12/16/2022]
Abstract
Attention-deficit/hyperactivity disorder (ADHD) is a prevalent neurodevelopmental disorder in children, usually categorized as three subtypes, predominant inattention (ADHD-I), predominant hyperactivity-impulsivity (ADHD-HI), and a combined subtype (ADHD-C). Yet, common and unique abnormalities of electroencephalogram (EEG) across different subtypes remain poorly understood. Here, we leveraged microstate characteristics and power features to investigate temporal and frequency abnormalities in ADHD and its subtypes using high-density EEG on 161 participants (54 ADHD-Is and 53 ADHD-Cs and 54 healthy controls). Four EEG microstates were identified. The coverage of salience network (state C) were decreased in ADHD compared to HC (p = 1.46e-3), while the duration and contribution of frontal-parietal network (state D) were increased (p = 1.57e-3; p = 1.26e-4). Frequency power analysis also indicated that higher delta power in the fronto-central area (p = 6.75e-4) and higher power of theta/beta ratio in the bilateral fronto-temporal area (p = 3.05e-3) were observed in ADHD. By contrast, remarkable subtype differences were found primarily on the visual network (state B), of which ADHD-C have higher occurrence and coverage than ADHD-I (p = 9.35e-5; p = 1.51e-8), suggesting that children with ADHD-C might exhibit impulsivity of opening their eyes in an eye-closed experiment, leading to hyper-activated visual network. Moreover, the top discriminative features selected from support vector machine model with recursive feature elimination (SVM-RFE) well replicated the above results, which achieved an accuracy of 72.7% and 73.8% separately in classifying ADHD and two subtypes. To conclude, this study highlights EEG microstate dynamics and frequency features may serve as sensitive measurements to detect the subtle differences in ADHD and its subtypes, providing a new window for better diagnosis of ADHD.
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Affiliation(s)
- Na Luo
- Institute of Automation, Chinese Academy of Sciences, Brainnetome Center and National Laboratory of Pattern Recognition, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiangsheng Luo
- Peking University Sixth Hospital and, Peking University Institute of Mental Health, Beijing, 100191, China
- NHC Key Laboratory of Mental Health (Peking University) and National Clinical Research Center for Mental Disorders, (Peking University Sixth Hospital), Beijing, 100191, China
| | - Suli Zheng
- Peking University Sixth Hospital and, Peking University Institute of Mental Health, Beijing, 100191, China
- NHC Key Laboratory of Mental Health (Peking University) and National Clinical Research Center for Mental Disorders, (Peking University Sixth Hospital), Beijing, 100191, China
| | - Dongren Yao
- Massachusetts Eye and Ear Infirmary, Boston, MA, 02114, USA
- Harvard Medical School, Boston, MA, 02114, USA
| | - Min Zhao
- Institute of Automation, Chinese Academy of Sciences, Brainnetome Center and National Laboratory of Pattern Recognition, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yue Cui
- Institute of Automation, Chinese Academy of Sciences, Brainnetome Center and National Laboratory of Pattern Recognition, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yu Zhu
- Peking University Sixth Hospital and, Peking University Institute of Mental Health, Beijing, 100191, China
- NHC Key Laboratory of Mental Health (Peking University) and National Clinical Research Center for Mental Disorders, (Peking University Sixth Hospital), Beijing, 100191, China
| | - Vince D Calhoun
- Tri-Institutional Center for Translational Research in Neuroimaging and Data Science (TReNDS), Georgia State University, Georgia Institute of Technology, and Emory University, Atlanta, GA, 30303, USA
| | - Li Sun
- Peking University Sixth Hospital and, Peking University Institute of Mental Health, Beijing, 100191, China.
- NHC Key Laboratory of Mental Health (Peking University) and National Clinical Research Center for Mental Disorders, (Peking University Sixth Hospital), Beijing, 100191, China.
| | - Jing Sui
- Tri-Institutional Center for Translational Research in Neuroimaging and Data Science (TReNDS), Georgia State University, Georgia Institute of Technology, and Emory University, Atlanta, GA, 30303, USA.
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, 100875, China.
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The Effects of Different Theta and Beta Neurofeedback Training Protocols on Cognitive Control in ADHD. JOURNAL OF COGNITIVE ENHANCEMENT 2022; 6:463-477. [PMID: 36373033 PMCID: PMC9638270 DOI: 10.1007/s41465-022-00255-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 10/20/2022] [Indexed: 11/06/2022]
Abstract
Neurofeedback (NF) is an important treatment for attention deficit/hyperactivity disorder (ADHD). In ADHD, cognitive control deficits pose considerable problems to patients. However, NF protocols are not yet optimized to enhance cognitive control alongside with clinical symptoms, partly because they are not driven by basic cognitive neuroscience. In this study, we evaluated different EEG theta and/or beta frequency band NF protocols designed to enhance cognitive control. Participants were n = 157 children and adolescents, n = 129 of them were patients with ADHD (n = 28 typically developing (TD) controls). Patients with ADHD were divided into five groups in the order of referral, with four of them taking part in different NF protocols systematically varying theta and beta power. The fifth ADHD group and the TD group did not undergo NF. All NF protocols resulted in reductions of ADHD symptoms. Importantly, only when beta frequencies were enhanced during NF (without any theta regulation or in combination with theta upregulation), consistent enhancing effects in both response inhibition and conflict control were achieved. The theta/beta NF protocol most widely used in clinical settings revealed comparatively limited effects. Enhancements in beta band activity are key when aiming to improve cognitive control functions in ADHD. This calls for a change in the use of theta/beta NF protocols and shows that protocols differing from the current clinical standard are effective in enhancing important facets of cognitive control in ADHD. Further studies need to examine regulation data within the neurofeedback sessions to provide more information about the mechanisms underlying the observed effects.
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6
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Maria Pani S, Saba L, Fraschini M. Clinical applications of EEG power spectra aperiodic component analysis: a mini-review. Clin Neurophysiol 2022; 143:1-13. [DOI: 10.1016/j.clinph.2022.08.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 08/09/2022] [Accepted: 08/11/2022] [Indexed: 11/03/2022]
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7
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Can electroencephalography (EEG) identify ADHD subtypes? A systematic review. Neurosci Biobehav Rev 2022; 139:104752. [PMID: 35760387 DOI: 10.1016/j.neubiorev.2022.104752] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 06/12/2022] [Accepted: 06/22/2022] [Indexed: 11/21/2022]
Abstract
Attention Deficit/Hyperactivity Disorder (ADHD) has been associated with atypical patterns of neural activity measured by electroencephalography (EEG). However, the identification of EEG diagnostic biomarkers has been complicated by the disorder's heterogeneity. The objective of this review was to synthesize the literature investigating EEG variation in patients diagnosed with ADHD, addressing the following questions: 1) Are the diagnostic ADHD subtypes associated with different EEG characteristics? 2) Are EEG measures correlated with ADHD traits and/or symptom severity? and 3) Do classification techniques using EEG measures reveal different clinical presentations of ADHD? Outcomes highlight the potential for electrophysiological measures to provide meaningful insights into the heterogeneity of ADHD, although direct translation of EEG biomarkers for diagnostic purposes is not yet supported. Key measures that show promise for the discrimination of existing ADHD subtypes and symptomatology include: resting state and task-related modulation of alpha, beta and theta power, and the event-related N2 and P3 components. Prescriptions are discussed for future studies that may help to bridge the gap between research and clinical application.
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8
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Wiebe A, Kannen K, Li M, Aslan B, Anders D, Selaskowski B, Ettinger U, Lux S, Philipsen A, Braun N. Multimodal Virtual Reality-Based Assessment of Adult ADHD: A Feasibility Study in Healthy Subjects. Assessment 2022:10731911221089193. [PMID: 35435010 DOI: 10.1177/10731911221089193] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Neuropsychological assessments are often surprisingly inaccurate in mapping clinically-reported attention-deficit hyperactivity disorder (ADHD) symptoms, presumably due to their low ecological validity. Virtual reality (VR) might offer a potential solution for this problem, given its capability to generate standardized and yet highly realistic virtual environments. As the first adaptation of existing virtual classroom scenarios to an adult population, we developed a Virtual Seminar Room (VSR) for multimodal characterization of ADHD symptoms. To test its feasibility, N = 35 healthy participants were immersed into the VSR via a head-mounted display and carried out a VR-embedded continuous performance task (CPT) under varying levels of distractions in two experimental blocks (24 min each). CPT performance, electroencephalography (EEG) measures, and head movements (actigraphy) were simultaneously recorded and analyzed offline. Although CPT performance remained constant throughout the task, head movements increased significantly from Block 1 to Block 2. In addition, EEG theta (4-7 Hz) and beta (13-30 Hz) power was higher during Block 1 than Block 2, and during distractor-present than distractor-absent phases. Moreover, P300 amplitudes were higher during Block 1 than Block 2, and P300 latencies were prolonged in distractor-absent compared with distractor-present phases. Although the paradigm awaits further improvements, this study confirms the general feasibility of the VSR and provides a first step toward a multimodal, ecologically valid, and reliable VR-based adult ADHD assessment.
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Affiliation(s)
- Annika Wiebe
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Kyra Kannen
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Mengtong Li
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Behrem Aslan
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - David Anders
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Benjamin Selaskowski
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | | | - Silke Lux
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Alexandra Philipsen
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Niclas Braun
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
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9
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Luo X, Guo X, Zhao Q, Zhu Y, Chen Y, Zhang D, Jiang H, Wang Y, Johnstone S, Sun L. A randomized controlled study of remote computerized cognitive, neurofeedback, and combined training in the treatment of children with attention-deficit/hyperactivity disorder. Eur Child Adolesc Psychiatry 2022:10.1007/s00787-022-01956-1. [PMID: 35182242 PMCID: PMC8857637 DOI: 10.1007/s00787-022-01956-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 02/02/2022] [Indexed: 12/04/2022]
Abstract
There is an increasing interest in non-pharmacological treatments for children with attention-deficit/hyperactivity disorder (AD/HD), especially digital techniques that can be remotely delivered, such as neurofeedback (NFT) and computerized cognitive training (CCT). In this study, a randomized controlled design was used to compare training outcomes between remotely delivered NFT, CCT, and combined NFT/CCT training approaches. A total of 121 children with AD/HD were randomly assigned to the NFT, CCT, or NFT/CCT training groups, with 80 children completing the training program. Pre- and post-training symptoms (primary outcome), executive and daily functions were measured using questionnaires as well as resting EEG during eyes-closed (EC) and eyes-open (EO) conditions. After 3 months of training, the inattentive and hyperactive/impulsive symptoms, inhibition, working memory, learning and life skills of the three groups of children were significantly improved. The objective EEG activity showed a consistent increase in the relative alpha power in the EO condition among the three training groups. Training differences were not observed between groups. There was a positive correlation between pre-training EO relative alpha power and symptom improvement scores of inattention and hyperactivity/impulsivity, as well as a negative correlation between pre-training inattention scores and change in EO relative alpha. This study verified the training effects of NFT, CCT, and combined NFT/CCT training in children with AD/HD and revealed an objective therapeutic role for individual relative alpha activity. The verified feasibility and effectiveness of home-based digital training support promotion and application of digital remote training.
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Affiliation(s)
- Xiangsheng Luo
- Peking University Sixth Hospital and, Peking University Institute of Mental Health, Beijing, People’s Republic of China ,NHC Key Laboratory of Mental Health (Peking University) and National Clinical Research Center for Mental Disorders, Peking University Sixth Hospital, Beijing, 100191 People’s Republic of China
| | - Xiaojie Guo
- Peking University Sixth Hospital and, Peking University Institute of Mental Health, Beijing, People’s Republic of China ,NHC Key Laboratory of Mental Health (Peking University) and National Clinical Research Center for Mental Disorders, Peking University Sixth Hospital, Beijing, 100191 People’s Republic of China
| | - Qihua Zhao
- Peking University Sixth Hospital and, Peking University Institute of Mental Health, Beijing, People’s Republic of China ,NHC Key Laboratory of Mental Health (Peking University) and National Clinical Research Center for Mental Disorders, Peking University Sixth Hospital, Beijing, 100191 People’s Republic of China
| | - Yu Zhu
- Peking University Sixth Hospital and, Peking University Institute of Mental Health, Beijing, People’s Republic of China ,NHC Key Laboratory of Mental Health (Peking University) and National Clinical Research Center for Mental Disorders, Peking University Sixth Hospital, Beijing, 100191 People’s Republic of China
| | - Yanbo Chen
- Peking University Sixth Hospital and, Peking University Institute of Mental Health, Beijing, People’s Republic of China ,NHC Key Laboratory of Mental Health (Peking University) and National Clinical Research Center for Mental Disorders, Peking University Sixth Hospital, Beijing, 100191 People’s Republic of China
| | - Dawei Zhang
- Department of Psychology, School of Educational Science, Yangzhou University, Jiangsu, People’s Republic of China
| | - Han Jiang
- School of Special Education, Zhejiang Normal University, Hangzhou, People’s Republic of China
| | - Yufeng Wang
- Peking University Sixth Hospital and, Peking University Institute of Mental Health, Beijing, People’s Republic of China ,NHC Key Laboratory of Mental Health (Peking University) and National Clinical Research Center for Mental Disorders, Peking University Sixth Hospital, Beijing, 100191 People’s Republic of China
| | - Stuart Johnstone
- School of Psychology, University of Wollongong, Wollongong, NSW, Australia. .,Brain and Behavior Research Institute, University of Wollongong, Wollongong, NSW, 2500, Australia.
| | - Li Sun
- Peking University Sixth Hospital and, Peking University Institute of Mental Health, Beijing, People's Republic of China. .,NHC Key Laboratory of Mental Health (Peking University) and National Clinical Research Center for Mental Disorders, Peking University Sixth Hospital, Beijing, 100191, People's Republic of China.
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10
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Clark AP, Bontemps AP, Houser RA, Salekin RT. Psychopathy and Resting State EEG Theta/Beta Oscillations in Adolescent Offenders. JOURNAL OF PSYCHOPATHOLOGY AND BEHAVIORAL ASSESSMENT 2022. [DOI: 10.1007/s10862-021-09915-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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11
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Comparing the Transfer Effects of Three Neurocognitive Training Protocols in Children With Attention-Deficit/Hyperactivity Disorder: A Single-Case Experimental Design. BEHAVIOUR CHANGE 2021. [DOI: 10.1017/bec.2021.26] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Abstract
The current study used behavioural and electroencephalograph measures to compare the transferability of three home-based interventions — cognitive training (CT), neurofeedback training (NFT), and CT combined with NFT — for reducing symptoms in children with attention-deficit/hyperactivity disorder (AD/HD). Following a multiple-baseline single-case experimental design, twelve children were randomised to a training condition. Each child completed a baseline phase, followed by an intervention phase. The intervention phase consisted of 20 sessions of at-home training. Tau-U analysis and standardised visual analysis were adopted to detect effects. Results showed that CT improved inhibitory function and NFT improved alpha EEG activity and working memory. The combined condition, which was a reduced ‘dose’ of CT and NFT, did not show any improvements. The three conditions did not alleviate AD/HD symptoms. While CT and NFT may have transfer effects on executive functions, considering the lack of improvement in symptoms, this study does not support CT and NFT on their own as a treatment for children with AD/HD.
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12
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Jalali P, Sho'ouri N. Neurofeedback Training Protocol Based on Selecting Distinctive Features to Treat or Reduce ADHD Symptoms. Clin EEG Neurosci 2021; 52:414-421. [PMID: 34338564 DOI: 10.1177/15500594211033435] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Recent research has shown that electroencephalography (EEG) theta/beta ratio (TBR) in cases with attention deficit hyperactivity disorder (ADHD) has thus far been reported lower than that in healthy individuals. Accordingly, utilizing EEG-TBR as a biomarker to diagnose ADHD has been called into question. Besides, employing known protocol to reduce EEG-TBR in the vertex (Cz) channel to treat ADHD via neurofeedback (NFB) has been doubted. The present study was to propose a new NFB treatment protocol to manage ADHD using EEG signals from 30 healthy controls and 30 children with ADHD through an attention-based task and to calculate relative power in their different frequency bands. Then, the most significant distinguishing features of EEG signals from both groups were determined via a genetic algorithm (GA). The results revealed that EEG-TBR values in children with ADHD were lower compared with those in healthy peers; however, such a difference was not statistically significant. Likewise, inhibiting alpha band activity and enhancing delta one in F7 or T5 channels was proposed as a new NFB treatment protocol for ADHD. No significant increase in EEG-TBR in the Cz channel among children with ADHD casts doubt on the effectiveness of using EEG-TBR inhibitory protocols in the Cz channel. Consequently, it was proposed to apply the new protocol along with reinforced beta-band activity to treat or reduce ADHD symptoms.
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13
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Aguerre NV, Gómez-Ariza CJ, Ibáñez-Molina AJ, Bajo MT. Electrophysiological Prints of Grit. Front Psychol 2021; 12:730172. [PMID: 34721192 PMCID: PMC8551368 DOI: 10.3389/fpsyg.2021.730172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 09/09/2021] [Indexed: 11/13/2022] Open
Abstract
While scientific interest in understanding the grit trait has grown exponentially in recent years, one important gap in the grit literature relates to its biological and neural substrate. In the present study, we adopted a hypotheses-driven approach in a large sample of young adults (N = 120) with diverse educational backgrounds and work experiences in order to investigate the electrophysiological correlates of grit both during rest and while performing a learning task. Additionally, we selected a measure of impulsiveness to better understand the neural similarities and differences between grit and related self-control constructs. Based on previous work that implicated the prefrontal cortex in grit, we hypothesized that high grit participants would have lower frontal theta/beta ratio (a broadly used index that reflects prefrontally-mediated top-down processes, which might indicate better control over subcortical information). Furthermore, we expected the perseverance of effort facet of grit to be linked to higher complexity during task engagement because previous research has shown complexity indexes (entropy and fractal dimension) to be linked to effort while performing cognitive tasks. Our results revealed that although there were no differences at rest as a function of grit, the participants with high grit and high consistency of interest scores exhibited lower frontal theta/beta ratios during the learning task. This pattern suggests that individual differences in grit might be more evident when top-down control processes are at work. Furthermore, there was a positive association between perseverance of effort and entropy at task, which might indicate more effort and engagement in the task. Finally, no association was found between the neural indexes (frontal theta/beta ratio, entropy, or fractal dimension) and impulsiveness, neither impulsiveness mediated between grit and brain measures. Finally, when controlling for impulsiveness and demographic variables (gender, age, education, and work experience) the effects at the facet level remained statistically significant. While there is still a long way to fully understand the neural mechanisms of grit, the present work constitutes a step toward unveiling the electrophysiological prints of grit.
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Affiliation(s)
- Nuria V. Aguerre
- Department of Experimental Psychology—Mind, Brain and Behavior Research Center (CIMCYC), University of Granada, Granada, Spain
| | | | | | - M. Teresa Bajo
- Department of Experimental Psychology—Mind, Brain and Behavior Research Center (CIMCYC), University of Granada, Granada, Spain
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Zhang DW, Zaphf A, Klingberg T. Resting State EEG Related to Mathematical Improvement After Spatial Training in Children. Front Hum Neurosci 2021; 15:698367. [PMID: 34305556 PMCID: PMC8297825 DOI: 10.3389/fnhum.2021.698367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 06/14/2021] [Indexed: 12/02/2022] Open
Abstract
Spatial cognitive abilities, including mental rotation (MR) and visuo-spatial working memory (vsWM) are correlated with mathematical performance, and several studies have shown that training of these abilities can enhance mathematical performance. Here, we investigated the behavioral and neural correlates of MR and vsWM training combined with number line (NL) training. Fifty-seven children, aged 6–7, performed 25 days of NL training combined with either vsWM or MR and participated in an Electroencephalography (EEG)-session in school to measure resting state activity and steady-state visual evoked potentials during a vsWM task before and after training. Fifty children, aged 6–7, received usual teaching and acted as a control group. Compared to the control group, both training groups improved on a combined measure of mathematics. Cognitive improvement was specific to the training. Significant pre-post changes in resting state-EEG (rs-EEG), common to both training groups, were found for power as well as for coherence, with no significant differences in rs-EEG-changes between the vsWM and MR groups. Two of the common rs-EEG changes were correlated with mathematical improvement: (1) an increase in coherence between the central frontal lobe and the right parietal lobe in frequencies ranging from 16 to 25 Hz, and (2) an increase in coherence between the left frontal lobe and the right parietal lobe ranging from 23 to 25 Hz. These results indicate that changes in fronto-parietal coherence are related to an increase in mathematical performance, which thus might be a useful measure in further investigations of mathematical interventions in children.
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Affiliation(s)
- Da-Wei Zhang
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Anna Zaphf
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Torkel Klingberg
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
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15
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Lin CF, Huang CJ, Tsai YJ, Chueh TY, Hung CL, Chang YK, Hung TM. Resting Theta/Beta Ratios Mediate the Relationship Between Motor Competence and Inhibition in Children With Attention Deficit/Hyperactivity Disorder. Front Psychol 2021; 12:649154. [PMID: 34149535 PMCID: PMC8211439 DOI: 10.3389/fpsyg.2021.649154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 05/11/2021] [Indexed: 11/19/2022] Open
Abstract
Despite that previous studies have supported relationships between motor ability and inhibitory function, and between resting brain theta/beta power ratios (TBR) and inhibition in children with attention deficit/hyperactivity disorder (ADHD), little research has examined the mechanism within these relationships. The purpose of this study was to investigate whether TBR would mediate the relationship between motor ability and inhibitory function. A total of 71 children with ADHD were recorded resting electroencephalographic (EEG) data during eyes-open. Motor abilities were evaluated by Movement Assessment Battery for Children-2 (MABC-2) and inhibitory ability were assessed by a modified Eriksen’s flanker task. The results of mediation analyses revealed that TBR could completely mediate the relationship between motor competence and response speed (indirect effect = −0.0004, 95% CI [−0.0010, −0.0001]) and accuracy (indirect effect = 0.0003, 95% CI [0.0000, 0.0010]) in the incongruent condition of the flanker task. This study suggests that TBR may be one of the mechanisms between motor ability and inhibition function in children with ADHD.
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Affiliation(s)
- Chi-Fang Lin
- Department of Physical Education and Sport Science, National Taiwan Normal University, Taipei, Taiwan
| | - Chung-Ju Huang
- Graduate Institute of Sport Pedagogy, University of Taipei, Taipei, Taiwan
| | - Yu-Jung Tsai
- Department of Physical Education and Sport Science, National Taiwan Normal University, Taipei, Taiwan
| | - Ting-Yu Chueh
- Department of Physical Education and Sport Science, National Taiwan Normal University, Taipei, Taiwan
| | - Chiao-Ling Hung
- Department of Athletics and Master Program of Sport Facility Management and Health Promotion, National Taiwan University, Taipei, Taiwan
| | - Yu-Kai Chang
- Department of Physical Education and Sport Science, Institute for Research Excellence in Learning Science, National Taiwan Normal University, Taipei, Taiwan
| | - Tsung-Min Hung
- Department of Physical Education and Sport Science, Institute for Research Excellence in Learning Science, National Taiwan Normal University, Taipei, Taiwan
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16
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Liao YC, Guo NW, Su BY, Chen SJ, Tsai HF, Lee KY. Frontal Beta Activity in the Meta-Intention of Children With Attention Deficit Hyperactivity Disorder. Clin EEG Neurosci 2021; 52:136-143. [PMID: 32567956 DOI: 10.1177/1550059420933142] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Children with attention deficit hyperactivity disorder (ADHD) have high theta and low beta activity in the frontal lobe. The higher the theta/beta ratio, the lower the level of central nervous system (CNS) cortical arousal. However, there is seldom evidence between electroencephalograms (EEGs) and the patient's intentionality to regulate the cortical activity of executive attention tasks. We investigated whether children with ADHD intended to improve their performance in executive attention tasks and whether that increased their brain activity. Fifty-one children with ADHD (ADHD) and 51 typical developing (TD) children were investigated using focused attention (FA) and search attention (SA) tasks and a simultaneous EEG. The children were then regrouped as faster (ADHD-F, TD-F) and slower (ADHD-S, TD-S) depending on reaction time (RT). Quantitative EEGs of frontal lobe theta and beta activity at frontal F3, F4, and Fz were used. Twenty-eight (54.9%) ADHD children were regrouped as ADHD-S and 14 (27.5%) as TD-S. The ADHD-S group, however, had poorer FA and SA performance than the other 3 groups did: fewer correct answers, more frequent impulsive and missing errors, and higher RT variations. There were no significant differences in theta activity, but the TD-S group had higher beta activity than the ADHD-S group did. We conclude that the ADHD-F and ADHD-S groups had different attention processes. beta activity did not increase in the ADHD-S group, and their executive attention performance in the FA and SA tests was poor. It seems ADHD-S had poor meta-intention function. The frontal beta activity might be a feasible training target of neurofeedback in ADHD-S patients.
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Affiliation(s)
- Yu-Chi Liao
- Institute of Behavioral Medicine, College of Medicine, 38026National Cheng Kung University, Tainan.,Brain-Based Mental Health and Development Research Center, 34912National Cheng Kung University, Tainan
| | - Nai-Wen Guo
- Institute of Behavioral Medicine, College of Medicine, 38026National Cheng Kung University, Tainan.,Brain-Based Mental Health and Development Research Center, 34912National Cheng Kung University, Tainan.,Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan
| | - Bei-Yi Su
- Department of Physical Medicine and Rehabilitation, 63461National Cheng Kung University Hospital, Tainan
| | | | | | - Kuan-Ying Lee
- Jianan Psychiatric Center, 63443Ministry of Health and Welfare, Tainan
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17
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Clarke AR, Barry RJ, Johnstone S. Resting state EEG power research in Attention-Deficit/Hyperactivity Disorder: A review update. Clin Neurophysiol 2020; 131:1463-1479. [DOI: 10.1016/j.clinph.2020.03.029] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 02/20/2020] [Accepted: 03/16/2020] [Indexed: 01/19/2023]
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18
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Towards a Pragmatic Approach to a Psychophysiological Unit of Analysis for Mental and Brain Disorders: An EEG-Copeia for Neurofeedback. Appl Psychophysiol Biofeedback 2020; 44:151-172. [PMID: 31098793 DOI: 10.1007/s10484-019-09440-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This article proposes what we call an "EEG-Copeia" for neurofeedback, like the "Pharmacopeia" for psychopharmacology. This paper proposes to define an "EEG-Copeia" as an organized list of scientifically validated EEG markers, characterized by a specific association with an identified cognitive process, that define a psychophysiological unit of analysis useful for mental or brain disorder evaluation and treatment. A characteristic of EEG neurofeedback for mental and brain disorders is that it targets a EEG markers related to a supposed cognitive process, whereas conventional treatments target clinical manifestations. This could explain why EEG neurofeedback studies encounter difficulty in achieving reproducibility and validation. The present paper suggests that a first step to optimize EEG neurofeedback protocols and future research is to target a valid EEG marker. The specificity of the cognitive skills trained and learned during real time feedback of the EEG marker could be enhanced and both the reliability of neurofeedback training and the therapeutic impact optimized. However, several of the most well-known EEG markers have seldom been applied for neurofeedback. Moreover, we lack a reliable and valid EEG targets library for further RCT to evaluate the efficacy of neurofeedback in mental and brain disorders. With the present manuscript, our aim is to foster dialogues between cognitive neuroscience and EEG neurofeedback according to a psychophysiological perspective. The primary objective of this review was to identify the most robust EEG target. EEG markers linked with one or several clearly identified cognitive-related processes will be identified. The secondary objective was to organize these EEG markers and related cognitive process in a psychophysiological unit of analysis matrix inspired by the Research Domain Criteria (RDoC) project.
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19
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Bussalb A, Collin S, Barthélemy Q, Ojeda D, Bioulac S, Blasco-Fontecilla H, Brandeis D, Purper Ouakil D, Ros T, Mayaud L. Is there a cluster of high theta-beta ratio patients in attention deficit hyperactivity disorder? Clin Neurophysiol 2019; 130:1387-1396. [PMID: 31176621 DOI: 10.1016/j.clinph.2019.02.021] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 02/15/2019] [Accepted: 02/27/2019] [Indexed: 11/16/2022]
Affiliation(s)
- Aurore Bussalb
- Mensia Technologies SA, 130 rue de Lourmel, 75015 Paris, France; Assistance Publique-Hôpitaux de Paris, Robert Debré Hospital, Child and Adolescent Psychiatry, Paris, France.
| | - Sidney Collin
- Mensia Technologies SA, 130 rue de Lourmel, 75015 Paris, France
| | | | - David Ojeda
- Mensia Technologies SA, 130 rue de Lourmel, 75015 Paris, France
| | - Stephanie Bioulac
- Université de Bordeaux, Sommeil, Addiction et Neuropsychiatrie, USR 3413, F-33000 Bordeaux, France; CNRS, SANPSY, USR 3413, F-33000 Bordeaux, France; CHU Pellegrin, Clinique du Sommeil, F-33076 Bordeaux, France
| | - Hilario Blasco-Fontecilla
- Department of Psychiatry, Puerta de Hierro University Hospital-IDIPHIPSA, Autonoma University of Madrid, CIBERSAM, Madrid, Spain
| | - Daniel Brandeis
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany; Department of Child and Adolescent Psychiatry and Psychotherapy, Psychiatric Hospital, University of Zurich, Zurich, Switzerland; Neuroscience Center Zurich, University of Zurich and ETH Zurich, Zurich, Switzerland; Zurich Center for Integrative Human Physiology, University of Zurich, Zurich, Switzerland
| | - Diane Purper Ouakil
- CHU Montpellier-Saint Eloi Hospital, University of Montpellier, Unit of Child and Adolescent Psychiatry (MPEA1), Montpellier, France
| | - Tomas Ros
- Department of Neuroscience, Geneva, Switzerland
| | - Louis Mayaud
- Mensia Technologies SA, 130 rue de Lourmel, 75015 Paris, France
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Zhang DW, Johnstone SJ, Roodenrys S, Luo X, Li H, Wang E, Zhao Q, Song Y, Liu L, Qian Q, Wang Y, Sun L. The role of resting-state EEG localized activation and central nervous system arousal in executive function performance in children with Attention-Deficit/Hyperactivity Disorder. Clin Neurophysiol 2018; 129:1192-1200. [DOI: 10.1016/j.clinph.2018.03.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 02/01/2018] [Accepted: 03/10/2018] [Indexed: 01/01/2023]
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21
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van Son D, Schalbroeck R, Angelidis A, van der Wee NJA, van der Does W, Putman P. Acute effects of caffeine on threat-selective attention: moderation by anxiety and EEG theta/beta ratio. Biol Psychol 2018; 136:100-110. [PMID: 29792908 DOI: 10.1016/j.biopsycho.2018.05.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 05/14/2018] [Accepted: 05/14/2018] [Indexed: 02/01/2023]
Abstract
BACKGROUND Spontaneous EEG theta/beta ratio (TBR) probably marks prefrontal cortical (PFC) executive control, and its regulation of attentional threat-bias. Caffeine at moderate doses may strengthen executive control through increased PFC catecholamine action, dependent on basal PFC function. GOAL To test if caffeine affects threat-bias, moderated by baseline frontal TBR and trait-anxiety. METHODS A pictorial emotional Stroop task was used to assess threat-bias in forty female participants in a cross-over, double-blind study after placebo and 200 mg caffeine. RESULTS At baseline and after placebo, comparable relations were observed for negative pictures: high TBR was related to low threat-bias in low trait-anxious people. Caffeine had opposite effects on threat-bias in low trait-anxious people with low and high TBR. CONCLUSIONS This further supports TBR as a marker of executive control and highlights the importance of taking baseline executive function into consideration when studying effects of caffeine on executive functions.
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Affiliation(s)
- Dana van Son
- Institute of Psychology, Leiden University, Leiden, The Netherlands; Leiden Institute for Brain and Cognition, Leiden, The Netherlands.
| | - Rik Schalbroeck
- Institute of Psychology, Leiden University, Leiden, The Netherlands
| | - Angelos Angelidis
- Institute of Psychology, Leiden University, Leiden, The Netherlands; Leiden Institute for Brain and Cognition, Leiden, The Netherlands
| | | | - Willem van der Does
- Institute of Psychology, Leiden University, Leiden, The Netherlands; Leiden Institute for Brain and Cognition, Leiden, The Netherlands; Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - Peter Putman
- Institute of Psychology, Leiden University, Leiden, The Netherlands; Leiden Institute for Brain and Cognition, Leiden, The Netherlands
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