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https://www.readbyqxmd.com/read/28530336/-noninvasive-brain-stimulation-in-neuropsychiatric-disorders
#1
REVIEW
Doron Todder, Nimrod Grisaru, Zeev Kaplan
Noninvasive brain stimulation is a growing field of treatment for many neuropsychiatric problems. In this review, several of the more common brain stimulation devices are presented. Specifically, we will review Transcranial Magnetic Stimulation (TMS), Transcranial Direct Current Stimulation (tDCS), Alternating Current Stimulation (ACS), Infrared Stimulation, Electroencephalography Neurofeedback (EEG-NF) and functional Magnetic Resonance Imagining Neurofeedback (fMRI-NF). We will outline some of the properties of these devices including the mechanism, side effect profile, using sham for research and major future developments...
December 2016: Harefuah
https://www.readbyqxmd.com/read/28529806/increased-alpha-rhythm-dynamic-range-promotes-recovery-from-visuospatial-neglect-a-neurofeedback-study
#2
Tomas Ros, Abele Michela, Anne Bellman, Philippe Vuadens, Arnaud Saj, Patrik Vuilleumier
Despite recent attempts to use electroencephalogram (EEG) neurofeedback (NFB) as a tool for rehabilitation of motor stroke, its potential for improving neurological impairments of attention-such as visuospatial neglect-remains underexplored. It is also unclear to what extent changes in cortical oscillations contribute to the pathophysiology of neglect, or its recovery. Utilizing EEG-NFB, we sought to causally manipulate alpha oscillations in 5 right-hemisphere stroke patients in order to explore their role in visuospatial neglect...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28516807/neurofeedback-based-enhancement-of-single-trial-auditory-evoked-potentials-feasibility-in-healthy-subjects
#3
Kathryn Rieger, Marie-Helene Rarra, Nicolas Moor, Laura Diaz Hernandez, Anja Baenninger, Nadja Razavi, Thomas Dierks, Daniela Hubl, Thomas Koenig
Previous studies showed a global reduction of the event-related potential component N100 in patients with schizophrenia, a phenomenon that is even more pronounced during auditory verbal hallucinations. This reduction assumingly results from dysfunctional activation of the primary auditory cortex by inner speech, which reduces its responsiveness to external stimuli. With this study, we tested the feasibility of enhancing the responsiveness of the primary auditory cortex to external stimuli with an upregulation of the event-related potential component N100 in healthy control subjects...
May 1, 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/28510578/neurofeedback-as-a-form-of-cognitive-rehabilitation-therapy-following-stroke-a-systematic-review
#4
Tian Renton, Alana Tibbles, Jane Topolovec-Vranic
Neurofeedback therapy (NFT) has been used within a number of populations however it has not been applied or thoroughly examined as a form of cognitive rehabilitation within a stroke population. Objectives for this systematic review included: i) identifying how NFT is utilized to treat cognitive deficits following stroke, ii) examining the strength and quality of evidence to support the use of NFT as a form of cognitive rehabilitation therapy (CRT) and iii) providing recommendations for future investigations...
2017: PloS One
https://www.readbyqxmd.com/read/28504334/advances-in-functional-brain-imaging-technology-and-developmental-neuro-psychology-their-applications-in-the-jungian-analytic-domain
#5
Leon Petchkovsky
Analytical psychology shares with many other psychotherapies the important task of repairing the consequences of developmental trauma. The majority of analytic patients come from compromised early developmental backgrounds: they may have experienced neglect, abuse, or failures of empathic resonance from their carers. Functional brain imagery techniques including Quantitative Electroencephalogram (QEEG), and functional Magnetic Resonance Imagery (fMRI), allow us to track mental processes in ways beyond verbal reportage and introspection...
June 2017: Journal of Analytical Psychology
https://www.readbyqxmd.com/read/28494139/corrigendum-to-hsueh-2016-neurofeedback-training-of-eeg-alpha-rhythm-enhances-episodic-and-working-memory
#6
(no author information available yet)
No abstract text is available yet for this article.
June 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28476207/real-time-functional-magnetic-resonance-imaging-amygdala-neurofeedback-changes-positive-information-processing-in-major-depressive-disorder
#7
Kymberly D Young, Masaya Misaki, Catherine J Harmer, Teresa Victor, Vadim Zotev, Raquel Phillips, Greg J Siegle, Wayne C Drevets, Jerzy Bodurka
BACKGROUND: In participants with major depressive disorder who are trained to upregulate their amygdalar hemodynamic responses during positive autobiographical memory recall with real-time functional magnetic resonance imaging neurofeedback (rtfMRI-nf) training, depressive symptoms diminish. This study tested whether amygdalar rtfMRI-nf also changes emotional processing of positive and negative stimuli in a variety of behavioral and imaging tasks. METHODS: Patients with major depressive disorder completed two rtfMRI-nf sessions (18 received amygdalar rtfMRI-nf, 16 received control parietal rtfMRI-nf)...
March 28, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28473762/unimodal-versus-bimodal-eeg-fmri-neurofeedback-of-a-motor-imagery-task
#8
Lorraine Perronnet, Anatole Lécuyer, Marsel Mano, Elise Bannier, Fabien Lotte, Maureen Clerc, Christian Barillot
Neurofeedback is a promising tool for brain rehabilitation and peak performance training. Neurofeedback approaches usually rely on a single brain imaging modality such as EEG or fMRI. Combining these modalities for neurofeedback training could allow to provide richer information to the subject and could thus enable him/her to achieve faster and more specific self-regulation. Yet unimodal and multimodal neurofeedback have never been compared before. In the present work, we introduce a simultaneous EEG-fMRI experimental protocol in which participants performed a motor-imagery task in unimodal and bimodal NF conditions...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28467303/beta-band-oscillations-in-motor-cortex-reflect-neural-population-signals-that-delay-movement-onset
#9
Preeya Khanna, Jose M Carmena
Motor cortical beta oscillations have been reported for decades, yet their behavioral correlates remain disputed. Some studies link beta oscillations to changes in underlying neural activity, but the specific behavioral manifestations of these reported changes remain elusive. To investigate how changes in population neural activity, beta oscillations, and behavior are linked, we recorded multi-scale neural activity from motor cortex while three macaques performed a novel neurofeedback task. Subjects volitionally brought their beta power to an instructed state and subsequently executed an arm reach...
May 3, 2017: ELife
https://www.readbyqxmd.com/read/28466825/pure-visual-imagery-as-a-potential-approach-to-achieve-three-classes-of-control-for-implementation-of-bci-in-non-motor-disorders
#10
Teresa Sousa, Carlos Amaral, João Andrade, Gabriel Pires, Urbano Nunes, Miguel Castelo-Branco
OBJECTIVE: The achievement of multiple instances of control with the same type of mental strategy represents a way to improve flexibility of BCI systems. Here we test the hypothesis that pure visual motion imagery of an external actuator can be used as a tool to achieve three classes of EEG based control, which might be useful in attention disorders. APPROACH: We hypothesize that different number of imagined motion alternations lead to distinctive signals, as predicted by distinct motion patterns...
May 3, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28458926/motor-imagery-impairment-in-postacute-stroke-patients
#11
Niclas Braun, Cornelia Kranczioch, Joachim Liepert, Christian Dettmers, Catharina Zich, Imke Büsching, Stefan Debener
Not much is known about how well stroke patients are able to perform motor imagery (MI) and which MI abilities are preserved after stroke. We therefore applied three different MI tasks (one mental chronometry task, one mental rotation task, and one EEG-based neurofeedback task) to a sample of postacute stroke patients (n = 20) and age-matched healthy controls (n = 20) for addressing the following questions: First, which of the MI tasks indicate impairment in stroke patients and are impairments restricted to the paretic side? Second, is there a relationship between MI impairment and sensory loss or paresis severity? And third, do the results of the different MI tasks converge? Significant differences between the stroke and control groups were found in all three MI tasks...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28445589/a-network-engineering-perspective-on-probing-and-perturbing-cognition-with-neurofeedback
#12
REVIEW
Danielle S Bassett, Ankit N Khambhati
Network science and engineering provide a flexible and generalizable tool set to describe and manipulate complex systems characterized by heterogeneous interaction patterns among component parts. While classically applied to social systems, these tools have recently proven to be particularly useful in the study of the brain. In this review, we describe the nascent use of these tools to understand human cognition, and we discuss their utility in informing the meaningful and predictable perturbation of cognition in combination with the emerging capabilities of neurofeedback...
April 26, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28442359/emg-biofeedback-training-in-adult-attention-deficit-hyperactivity-disorder-an-active-control-training
#13
Beatrix Barth, Kerstin Mayer, Ute Strehl, Andreas J Fallgatter, Ann-Christine Ehlis
OBJECTIVE: The present study aimed at revealing neurophysiological effects induced by electromyography (EMG) based biofeedback, considered as a semi-active control condition in neurofeedback studies, in adult attention-deficit/hyperactivity disorder (ADHD) patients. METHODS: 20 adult ADHD patients trained their muscle activity in the left and right supraspinatus muscle over the course of 30 EMG biofeedback sessions. Changes induced by the EMG feedback were evaluated at a clinical and neurophysiological level; additionally, the relation between changes in EEG activity recorded at the vertex over the training course and changes of symptom severity over the treatment course were assessed in order to investigate the mechanisms underlying clinical effects of EMG biofeedback...
April 22, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28408873/neurofeedback-of-slow-cortical-potentials-in-children-with-attention-deficit-hyperactivity-disorder-a-multicenter-randomized-trial-controlling-for-unspecific-effects
#14
Ute Strehl, Pascal Aggensteiner, Daniel Wachtlin, Daniel Brandeis, Björn Albrecht, Maria Arana, Christiane Bach, Tobias Banaschewski, Thorsten Bogen, Andrea Flaig-Röhr, Christine M Freitag, Yvonne Fuchsenberger, Stephanie Gest, Holger Gevensleben, Laura Herde, Sarah Hohmann, Tanja Legenbauer, Anna-Maria Marx, Sabina Millenet, Benjamin Pniewski, Aribert Rothenberger, Christian Ruckes, Sonja Wörz, Martin Holtmann
Background: Neurofeedback (NF) in children with attention-deficit/hyperactivity disorder (ADHD) has been investigated in a series of studies over the last years. Previous studies did not unanimously support NF as a treatment in ADHD. Most studies did not control for unspecific treatment effects and did not demonstrate that self-regulation took place. The present study examined the efficacy of NF in comparison to electromyographic (EMG) feedback to control for unspecific effects of the treatment, and assessed self-regulation of slow cortical potentials (SCPs)...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28407727/randomized-clinical-trial-of-real-time-fmri-amygdala-neurofeedback-for-major-depressive-disorder-effects-on-symptoms-and-autobiographical-memory-recall
#15
Kymberly D Young, Greg J Siegle, Vadim Zotev, Raquel Phillips, Masaya Misaki, Han Yuan, Wayne C Drevets, Jerzy Bodurka
OBJECTIVE: Patients with depression show blunted amygdala hemodynamic activity to positive stimuli, including autobiographical memories. The authors examined the therapeutic efficacy of real-time functional MRI neurofeedback (rtfMRI-nf) training aimed at increasing the amygdala's hemodynamic response to positive memories in patients with depression. METHOD: In a double-blind, placebo-controlled, randomized clinical trial, unmedicated adults with depression (N=36) were randomly assigned to receive two sessions of rtfMRI-nf either from the amygdala (N=19) or from a parietal control region not involved in emotional processing (N=17)...
April 14, 2017: American Journal of Psychiatry
https://www.readbyqxmd.com/read/28386224/maintenance-of-voluntary-self-regulation-learned-through-real-time-fmri-neurofeedback
#16
Fabien Robineau, Djalel E Meskaldji, Yury Koush, Sebastian W Rieger, Christophe Mermoud, Stephan Morgenthaler, Dimitri Van De Ville, Patrik Vuilleumier, Frank Scharnowski
Neurofeedback based on real-time functional magnetic resonance imaging (fMRI) is an emerging technique that allows for learning voluntary control over brain activity. Such brain training has been shown to cause specific behavioral or cognitive enhancements, and even therapeutic effects in neurological and psychiatric patient populations. However, for clinical applications it is important to know if learned self-regulation can be maintained over longer periods of time and whether it transfers to situations without neurofeedback...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28385053/using-real-time-fmri-neurofeedback-to-restore-right-occipital-cortex-activity-in-patients-with-left-visuo-spatial-neglect-proof-of-principle-and-preliminary-results
#17
Fabien Robineau, Arnaud Saj, Rémi Neveu, Dimitri Van De Ville, Frank Scharnowski, Patrik Vuilleumier
Hemineglect is common after right parietal stroke, characterised by impaired awareness for stimuli in left visual space, with suppressed neural activity in the right visual cortex due to losses in top-down attention signals. Here we sought to assess whether hemineglect patients are able to up-regulate their right visual cortex activity using auditory real-time functional magnetic resonance imaging (rt-fMRI) neurofeedback. We also examined any effect of this training procedure on neglect severity. Two different neurofeedback methods were used...
April 6, 2017: Neuropsychological Rehabilitation
https://www.readbyqxmd.com/read/28377691/how-to-build-a-hybrid-neurofeedback-platform-combining-eeg-and-fmri
#18
Marsel Mano, Anatole Lécuyer, Elise Bannier, Lorraine Perronnet, Saman Noorzadeh, Christian Barillot
Multimodal neurofeedback estimates brain activity using information acquired with more than one neurosignal measurement technology. In this paper we describe how to set up and use a hybrid platform based on simultaneous electroencephalography (EEG) and functional magnetic resonance imaging (fMRI), then we illustrate how to use it for conducting bimodal neurofeedback experiments. The paper is intended for those willing to build a multimodal neurofeedback system, to guide them through the different steps of the design, setup, and experimental applications, and help them choose a suitable hardware and software configuration...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28375458/neurofeedback-or-neuroplacebo
#19
Robert T Thibault, Michael Lifshitz, Amir Raz
No abstract text is available yet for this article.
April 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28373836/beware-recruitment-of-muscle-activity-by-the-eeg-neurofeedback-trainings-of-high-frequencies
#20
Katarzyna Paluch, Katarzyna Jurewicz, Jacek Rogala, Rafał Krauz, Marta Szczypińska, Mirosław Mikicin, Andrzej Wróbel, Ewa Kublik
EEG-neurofeedback (NFB) became a very popular method aimed at improving cognitive and behavioral performance. However, the EMG frequency spectrum overlies the higher EEG oscillations and the NFB trainings focusing on these frequencies is hindered by the problem of EMG load in the information fed back to the subjects. In such a complex signal, it is highly probable that the most controllable component will form the basis for operant conditioning. This might cause different effects in the case of various training protocols and therefore needs to be carefully assessed before designing training protocols and algorithms...
2017: Frontiers in Human Neuroscience
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