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https://www.readbyqxmd.com/read/28340429/simple-index-of-functional-connectivity-at-rest-in-multiple-sclerosis-fatigue
#1
Korhan Buyukturkoglu, Camillo Porcaro, Carlo Cottone, Andrea Cancelli, Matilde Inglese, Franca Tecchio
OBJECTIVE: To investigate the EEG-derived functional connectivity at rest (FCR) patterns of fatigued Multiple Sclerosis (MS) patients in order to find good parameters for a future EEG-Neurofeedback intervention to reduce their fatigue symptoms. METHODS: We evaluated FCR between hemispheric homologous areas, via spectral coherence between pairs of corresponding left and right bipolar derivations, in the Theta, Alpha and Beta bands. We estimated FCR in 18MS patients with different levels of fatigue and minimal clinical severity and in 11 age and gender matched healthy controls...
February 28, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28335000/better-than-sham-a-double-blind-placebo-controlled-neurofeedback-study-in-primary-insomnia
#2
Manuel Schabus, Hermann Griessenberger, Maria-Teresa Gnjezda, Dominik P J Heib, Malgorzata Wislowska, Kerstin Hoedlmoser
Neurofeedback training builds upon the simple concept of instrumental conditioning, i.e. behaviour that is rewarded is more likely to reoccur, an effect Thorndike referred to as the 'law of effect'. In the case of neurofeedback, information about specific electroencephalographic activity is fed back to the participant who is rewarded whenever the desired electroencephalography pattern is generated. If some kind of hyperarousal needs to be addressed, the neurofeedback community considers sensorimotor rhythm neurofeedback as the gold standard...
February 23, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28321945/quantitative-representations-of-an-exaggerated-anxiety-response-in-the-brain-of-female-spider-phobics-a-parametric-fmri-study
#3
Anna Zilverstand, Bettina Sorger, Anita Kaemingk, Rainer Goebel
We employed a novel parametric spider picture set in the context of a parametric fMRI anxiety provocation study, designed to tease apart brain regions involved in threat monitoring from regions representing an exaggerated anxiety response in spider phobics. For the stimulus set, we systematically manipulated perceived proximity of threat by varying a depicted spider's context, size, and posture. All stimuli were validated in a behavioral rating study (phobics n = 20; controls n = 20; all female). An independent group participated in a subsequent fMRI anxiety provocation study (phobics n = 7; controls n = 7; all female), in which we compared a whole-brain categorical to a whole-brain parametric analysis...
March 21, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28321406/a-randomized-trial-of-comparing-the-efficacy-of-two-neurofeedback-protocols-for-treatment-of-clinical-and-cognitive-symptoms-of-adhd-theta-suppression-beta-enhancement-and-theta-suppression-alpha-enhancement
#4
RANDOMIZED CONTROLLED TRIAL
Arash Mohagheghi, Shahrokh Amiri, Nafiseh Moghaddasi Bonab, Gholamreza Chalabianloo, Seyed Gholamreza Noorazar, Seyed Mahmoud Tabatabaei, Sara Farhang
Introduction. Neurofeedback (NF) is an adjuvant or alternative therapy for children with Attention Deficit Hyperactivity Disorder (ADHD). This study intended to compare the efficacy of two different NF protocols on clinical and cognitive symptoms of ADHD. Materials and Methods. In this clinical trial, sixty children with ADHD aged 7 to 10 years old were randomly grouped to receive two different NF treatments (theta suppression/beta enhancement protocol and theta suppression/alpha enhancement protocol). Clinical and cognitive assessments were conducted prior to and following the treatment and also after an eight-week follow-up...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28293109/effects-of-a-structured-20-session-slow-cortical-potential-based-neurofeedback-program-on-attentional-performance-in-children-and-adolescents-with-attention-deficit-hyperactivity-disorder-retrospective-analysis-of-an-open-label-pilot-approach-and-6-month-follow
#5
Johanna S Albrecht, Sarah Bubenzer-Busch, Anne Gallien, Eva Lotte Knospe, Tilman J Gaber, Florian D Zepf
OBJECTIVE: The aim of this approach was to conduct a structured electroencephalography-based neurofeedback training program for children and adolescents with attention-deficit hyperactivity disorder (ADHD) using slow cortical potentials with an intensive first (almost daily sessions) and second phase of training (two sessions per week) and to assess aspects of attentional performance. PATIENTS AND METHODS: A total of 24 young patients with ADHD participated in the 20-session training program...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28290068/eeg-based-alpha-neurofeedback-training-for-mood-enhancement
#6
Swee Wu Phneah, Humaira Nisar
The aim of this paper is to develop a preliminary neurofeedback system to improve the mood of the subjects using audio signals by enhancing their alpha brainwaves. Assessment of the effect of music on the human subjects is performed using three methods; subjective assessment of mood with the help of a questionnaire, the effect on brain by analysing EEG signals, and the effect on body by physiological assessment. In this study, two experiments have been designed. The first experiment was to determine the short-term effect of music on soothing human subjects, whereas the second experiment was to determine its long-term effect...
March 13, 2017: Australasian Physical & Engineering Sciences in Medicine
https://www.readbyqxmd.com/read/28288803/the-relationship-of-approach-avoidance-motivation-and-asymmetric-frontal-cortical-activity-a-review-of-studies-manipulating-frontal-asymmetry
#7
Nicholas J Kelley, Ruud Hortensius, Dennis J L G Schutter, Eddie Harmon-Jones
The balance between activity in the left and right frontal cortex, commonly referred to as asymmetric frontal cortical activity, has served as a proxy for an organism's motivational direction (i.e., approach vs. avoidance). Many studies have examined the influence of the manipulation of motivational direction on asymmetrical frontal cortical activity and found results consistent with the idea that greater relative left (right) frontal cortical activity is associated with approach (avoidance) motivation. We critically review literature employing physical (versus psychological) manipulations of frontal asymmetry using a variety of methodologies including neurofeedback training, muscular contractions, and non-invasive brain stimulation...
March 10, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28284431/a-next-step-for-neurofeedback-in-france
#8
EDITORIAL
M Arns
No abstract text is available yet for this article.
March 8, 2017: L'Encéphale
https://www.readbyqxmd.com/read/28275344/eeg-neurofeedback-as-a-tool-to-modulate-cognition-and-behavior-a-review-tutorial
#9
Stefanie Enriquez-Geppert, René J Huster, Christoph S Herrmann
Neurofeedback is attracting renewed interest as a method to self-regulate one's own brain activity to directly alter the underlying neural mechanisms of cognition and behavior. It not only promises new avenues as a method for cognitive enhancement in healthy subjects, but also as a therapeutic tool. In the current article, we present a review tutorial discussing key aspects relevant to the development of electroencephalography (EEG) neurofeedback studies. In addition, the putative mechanisms underlying neurofeedback learning are considered...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28269546/reference-configurations-for-ear-eeg-steady-state-responses
#10
Simon L Kappel, Christian B Christensen, Kaare B Mikkelsen, Preben Kidmose
Ear-EEG is a non-invasive EEG recording method, where EEG is recorded from electrodes placed in the ear. Ear-EEG could be implemented into hearing aids, and provide neurofeedback for e.g. objective hearing assessment through measurements of the auditory steady-state response. In cases where the objective is to measure a specific feature of an event-related potential, there will be a subject specific optimal reference configuration. This work presents a method for optimizing the reference configuration for steady-state type potentials...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28262140/additive-effects-of-neurofeedback-on-the-treatment-of-adhd-a-randomized-controlled-study
#11
RANDOMIZED CONTROLLED TRIAL
Eun-Jeong Lee, Chul-Ho Jung
Neurofeedback (NF) has been identified as a "possibly efficacious" treatment in current evidence-based reviews; therefore, more research is needed to determine its effects. The current study examined the potential additive effect of NF for children diagnosed with ADHD beginning a medication trial first. Thirty-six children (6-12 years) with a DSM-IV-TR diagnosis of ADHD were randomly assigned to an NF with medication (NF condition) or a medication only condition. Children in the NF group attended 20 twice-weekly sessions...
February 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/28257875/game-based-combined-cognitive-and-neurofeedback-training-using-focus-pocus-reduces-symptom-severity-in-children-with-diagnosed-ad-hd-and-subclinical-ad-hd
#12
Stuart J Johnstone, Steven J Roodenrys, Kirsten Johnson, Rebecca Bonfield, Susan J Bennett
Previous studies report reductions in symptom severity after combined working memory (WM) and inhibitory control (IC) training in children with AD/HD. Based on theoretical accounts of the role of arousal/attention modulation problems in AD/HD, the current study examined the efficacy of combined WM, IC, and neurofeedback training in children with AD/HD and subclinical AD/HD. Using a randomized waitlist control design, 85 children were randomly allocated to a training or waitlist condition and completed pre- and post-training assessments of overt behavior, trained and untrained cognitive task performance, and resting and task-related EEG activity...
February 28, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28257146/randomized-controlled-trial-of-neurofeedback-on-chemotherapy-induced-peripheral-neuropathy-a-pilot-study
#13
Sarah Prinsloo, Diane Novy, Larry Driver, Randall Lyle, Lois Ramondetta, Cathy Eng, Jennifer McQuade, Gabriel Lopez, Lorenzo Cohen
BACKGROUND: Chemotherapy-induced peripheral neuropathy (CIPN) is a significant problem for cancer patients, and there are limited treatment options for this often debilitating condition. Neuromodulatory interventions could be a novel modality for patients trying to manage CIPN symptoms; however, they are not yet the standard of care. This study examined whether electroencephalogram (EEG) neurofeedback (NFB) could alleviate CIPN symptoms in survivors. METHODS: This was a randomized controlled trial with survivors assigned to an NFB group or a wait-list control (WLC) group...
March 3, 2017: Cancer
https://www.readbyqxmd.com/read/28256680/-treatments-for-children-and-adolescents-with-attention-deficit-hyperactivity-disorder-what-is-the-evidence-base-to-date
#14
S Cortese, R Rosello-Miranda
The evidence base from empirical studies is one of the elements, along with patients' preference and consideration of particular clinical state and circumstances, that should be taken into account in the process of clinical decision making. This paper provides an overview of the current evidence base for the treatment of attention-deficit-hyperactivity disorder (ADHD), drawing on the results of the most recent meta-analyses of randomized controlled trials assessing the pharmacological and non-pharmacological treatment of ADHD...
February 24, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28245068/positive-effects-of-neurofeedback-on-autism-symptoms-correlate-with-brain-activation-during-imitation-and-observation
#15
Michael Datko, Jaime Pineda, Ralph-Axel Müller
Autism has been characterized by atypical task-related brain activation and functional connections, coinciding with deficits in sociocommunicative abilities. However, evidence of the brain's experience-dependent plasticity suggests that abnormal activity patterns may be reversed with treatment. In particular, neurofeedback training, an intervention based on operant conditioning resulting in self-regulation of brain electrical oscillations, has shown increasing promise in addressing abnormalities in brain function and behavior...
February 28, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28236680/frontal-alpha-asymmetry-neurofeedback-for-the-reduction-of-negative-affect-and-anxiety
#16
Rocco Mennella, Elisabetta Patron, Daniela Palomba
Frontal alpha asymmetry has been proposed to underlie the balance between approach and withdrawal motivation associated to each individual's affective style. Neurofeedback of EEG frontal alpha asymmetry represents a promising tool to reduce negative affect, although its specific effects on left/right frontal activity and approach/withdrawal motivation are still unclear. The present study employed a neurofeedback training to increase frontal alpha asymmetry (right - left), in order to evaluate discrete changes in alpha power at left and right sites, as well as in positive and negative affect, anxiety and depression...
February 20, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28227801/reference-configurations-for-ear-eeg-steady-state-responses
#17
Simon L Kappel, Christian B Christensen, Kaare B Mikkelsen, Preben Kidmose, Simon L Kappel, Christian B Christensen, Kaare B Mikkelsen, Preben Kidmose, Kaare B Mikkelsen, Preben Kidmose, Christian B Christensen, Simon L Kappel
Ear-EEG is a non-invasive EEG recording method, where EEG is recorded from electrodes placed in the ear. Ear-EEG could be implemented into hearing aids, and provide neurofeedback for e.g. objective hearing assessment through measurements of the auditory steady-state response. In cases where the objective is to measure a specific feature of an event-related potential, there will be a subject specific optimal reference configuration. This work presents a method for optimizing the reference configuration for steady-state type potentials...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28214578/increasing-lateralized-motor-activity-in-younger-and-older-adults-using-real-time-fmri-during-executed-movements
#18
Heather F Neyedli, Cassandra Sampaio-Baptista, Matthew A Kirkman, David Havard, Michael Lührs, Katie Ramsden, David D Flitney, Stuart Clare, Rainer Goebel, Heidi Johansen-Berg
Neurofeedback training involves presenting an individual with a representation of their brain activity and instructing them to alter the activity using the feedback. One potential application of neurofeedback is for patients to alter neural activity to improve function. For example, there is evidence that greater laterality of movement-related activity is associated with better motor outcomes after stroke; so using neurofeedback to increase laterality may provide a novel route for improving outcomes. However, we must demonstrate that individuals can control relevant neurofeedback signals...
February 15, 2017: Neuroscience
https://www.readbyqxmd.com/read/28197747/upper-alpha-based-neurofeedback-training-in-chronic-stroke-brain-plasticity-processes-and-cognitive-effects
#19
Silvia Erika Kober, Daniela Schweiger, Johanna Louise Reichert, Christa Neuper, Guilherme Wood
In the present study, we investigated the effects of upper alpha based neurofeedback (NF) training on electrical brain activity and cognitive functions in stroke survivors. Therefore, two single chronic stroke patients with memory deficits (subject A with a bilateral subarachnoid hemorrhage; subject B with an ischemic stroke in the left arteria cerebri media) and a healthy elderly control group (N = 24) received up to ten NF training sessions. To evaluate NF training effects, all participants performed multichannel electroencephalogram (EEG) resting measurements and a neuropsychological test battery assessing different cognitive functions before and after NF training...
March 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28197092/bci-control-of-heuristic-search-algorithms
#20
Marc Cavazza, Gabor Aranyi, Fred Charles
The ability to develop Brain-Computer Interfaces (BCI) to Intelligent Systems would offer new perspectives in terms of human supervision of complex Artificial Intelligence (AI) systems, as well as supporting new types of applications. In this article, we introduce a basic mechanism for the control of heuristic search through fNIRS-based BCI. The rationale is that heuristic search is not only a basic AI mechanism but also one still at the heart of many different AI systems. We investigate how users' mental disposition can be harnessed to influence the performance of heuristic search algorithm through a mechanism of precision-complexity exchange...
2017: Frontiers in Neuroinformatics
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