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TMS and cognition

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https://www.readbyqxmd.com/read/29766458/cerebellar-stimulation-evoked-prefrontal-electrical-synchrony-is-modulated-by-gaba
#1
Xiaoming Du, Laura M Rowland, Ann Summerfelt, Fow-Sen Choa, George F Wittenberg, Krista Wisner, Andrea Wijtenburg, Joshua Chiappelli, Peter Kochunov, L Elliot Hong
Cerebellar-prefrontal connectivity has been recognized as important for behaviors ranging from motor coordination to cognition. Many of these behaviors are known to involve excitatory or inhibitory modulations from the prefrontal cortex. We used cerebellar transcranial magnetic stimulation (TMS) with simultaneous electroencephalography (EEG) to probe cerebellar-evoked electrical activity in prefrontal cortical areas and used magnetic resonance spectroscopy (MRS) measures of prefrontal GABA and glutamate levels to determine if they are correlated with those potentials...
May 15, 2018: Cerebellum
https://www.readbyqxmd.com/read/29723638/magnetic-stimulation-selectively-affects-pre-stimulus-eeg-microstates
#2
Pierpaolo Croce, Filippo Zappasodi, Spadone Sara, Paolo Capotosto
Different electrophysiological (EEG) correlates may provide specific important assessment of the period that anticipates an imperative stimulus. Previous study of our group showed that a local (i.e. parietal) anticipatory EEG marker (i.e. the event related de-synchronization of the alpha rhythms; ERD) is selectively affected when transcranial magnetic stimulation (TMS) is delivered over crucial nodes belonging to well-known human networks involved in different cognitive domains. Here, we investigated whether such distinction is also present in the whole brain activity as seen through the pre-stimulus microstate's topography, representing a global and reference-free measure of the neural activity...
April 30, 2018: NeuroImage
https://www.readbyqxmd.com/read/29712981/tms-over-the-cerebellum-interferes-with-short-term-memory-of-visual-sequences
#3
C Ferrari, Z Cattaneo, V Oldrati, L Casiraghi, F Castelli, E D'Angelo, T Vecchi
Growing evidence suggests that the cerebellum is not only involved in motor functions, but it significantly contributes to sensory and cognitive processing as well. In particular, it has been hypothesized that the cerebellum identifies recurrent serial events and recognizes their violations. Here we used transcranial magnetic stimulation (TMS) to shed light on the role of the cerebellum in short-term memory of visual sequences. In two experiments, we found that TMS over the right cerebellar hemisphere impaired participants' ability to recognize the correct order of appearance of geometrical stimuli varying in shape and/or size...
April 30, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29613944/neurocognitive-effects-of-repetitive-transcranial-magnetic-stimulation-with-a-2-coil-device-in-treatment-resistant-major-depressive-disorder
#4
Brian C Kavanaugh, Scott T Aaronson, Gregory N Clarke, Paul E Holtzheimer, Clark W Johnson, William M McDonald, M Bret Schneider, Linda L Carpenter
BACKGROUND: Neurocognitive dysfunction is an understudied and undertreated aspect of psychiatric research and treatment. There is emerging evidence to suggest that repetitive transcranial magnetic stimulation (rTMS) may possess neurocognition-enhancing capabilities. METHODS: This study examined the neurocognitive data from a randomized, double-blind, sham-controlled trial of an investigational 2-coil rTMS device in antidepressant treatment or treatment-intolerant major depressive disorder patients...
April 2, 2018: Journal of ECT
https://www.readbyqxmd.com/read/29519473/noninvasive-brain-stimulation-of-the-parietal-lobe-for-improving-neurologic-neuropsychologic-and-neuropsychiatric-deficits
#5
Nadia Bolognini, Carlo Miniussi
Transcranial magnetic stimulation (TMS) and transcranial electric stimulation (tES) are noninvasive brain stimulation (NIBS) tools that are now widely used in neuroscientific research in humans. The fact that both TMS and tES are able to modulate brain plasticity and, in turn, affect behavior is opening up new horizons in the treatment of brain circuit and plasticity disorders. In the present chapter, we will first provide the reader with a brief background on the basic principles of NIBS, describing the electromagnetic and physical foundations of TMS and tES, as well as the current knowledge of the neurophysiologic basis of their effects on brain activity and plasticity...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29515852/evidence-for-parallel-activation-of-the-pre-supplementary-motor-area-and-inferior-frontal-cortex-during-response-inhibition-a-combined-meg-and-tms-study
#6
Christopher Allen, Krish D Singh, Frederick Verbruggen, Christopher D Chambers
This pre-registered experiment sought to uncover the temporal relationship between the inferior frontal cortex (IFC) and the pre-supplementary motor area (pre-SMA) during stopping of an ongoing action. Both regions have previously been highlighted as being central to cognitive control of actions, particularly response inhibition. Here we tested which area is activated first during the stopping process using magnetoencephalography, before assessing the relative chronometry of each region using functionally localized transcranial magnetic stimulation...
February 2018: Royal Society Open Science
https://www.readbyqxmd.com/read/29505803/excitatory-repetitive-transcranial-magnetic-stimulation-applied-to-the-right-inferior-frontal-gyrus-has-no-effect-on-motor-or-cognitive-impulsivity-in-healthy-adults
#7
Cheng-Chang Yang, Najat Khalifa, Birgit Völlm
BACKGROUND: Impulsivity is a multi-faceted concept. It is a crucial feature of many neuropsychiatric disorders. Three subtypes of impulsivity have been identified: motor, temporal, and cognitive impulsivity. Existing evidence suggests that the right inferior frontal gyrus (rIFG) plays a crucial role in impulsivity, and such a role has been elucidated using inhibitory repetitive transcranial magnetic stimulation (rTMS). There is a dearth of studies using excitatory rTMS at the rIFG, an important gap in the literature this study aimed to address...
March 2, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29474853/non-invasive-imaging-modalities-to-study-neurodegenerative-diseases-of-aging-brain
#8
REVIEW
Ramesh Naidu Annavarapu, Srujana Kathi, Vamsi Krishna Vadla
The aim of this article is to highlight current approaches for imaging elderly brain, indispensable for cognitive neuroscience research with emphasis on the basic physical principles of various non-invasive neuroimaging techniques. The first part of this article presents a quick overview of the primary non-invasive neuroimaging modalities used by cognitive neuroscientists such as transcranial magnetic stimulation (TMS), transcranial electrical stimulation (tES), electroencephalography (EEG), magnetoencephalography (MEG), single photon emission computed tomography (SPECT), positron emission tomography (PET), magnetic resonance spectroscopic imaging (MRSI), Profusion imaging, functional magnetic resonance imaging (fMRI), near infrared spectroscopy (NIRS) and diffusion tensor imaging (DTI) along with tractography and connectomics...
February 21, 2018: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/29459720/controlling-striatal-function-via-anterior-frontal-cortex-stimulation
#9
Mieke van Holstein, Monja I Froböse, Jacinta O'Shea, Esther Aarts, Roshan Cools
Motivational, cognitive and action goals are processed by distinct, topographically organized, corticostriatal circuits. We aimed to test whether processing in the striatum is under causal control by cortical regions in the human brain by investigating the effects of offline transcranial magnetic stimulation (TMS) over distinct frontal regions associated with motivational, cognitive and action goal processing. Using a three-session counterbalanced within-subject crossover design, continuous theta burst stimulation was applied over the anterior prefrontal cortex (aPFC), dorsolateral prefrontal cortex, or premotor cortex, immediately after which participants (N = 27) performed a paradigm assessing reward anticipation (motivation), task (cognitive) switching, and response (action) switching...
February 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29455946/abstract-semantics-in-the-motor-system-an-event-related-fmri-study-on-passive-reading-of-semantic-word-categories-carrying-abstract-emotional-and-mental-meaning
#10
Felix R Dreyer, Friedemann Pulvermüller
Previous research showed that modality-preferential sensorimotor areas are relevant for processing concrete words used to speak about actions. However, whether modality-preferential areas also play a role for abstract words is still under debate. Whereas recent functional magnetic resonance imaging (fMRI) studies suggest an involvement of motor cortex in processing the meaning of abstract emotion words as, for example, 'love', other non-emotional abstract words, in particular 'mental words', such as 'thought' or 'logic', are believed to engage 'amodal' semantic systems only...
March 2018: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29432784/cognitive-and-neuromodulation-strategies-for-unhealthy-eating-and-obesity-systematic-review-and-discussion-of-neurocognitive-mechanisms
#11
REVIEW
Laura Forcano, Fernanda Mata, Rafael de la Torre, Antonio Verdejo-Garcia
We systematically reviewed research on cognitive training and neuromodulation interventions for reducing food craving/intake, unhealthy diet and weight, and discussed their mechanisms of action. We reviewed 50 studies involving six cognitive trainings: Approach and Attentional Bias Modification, Implementation Intentions, Response Inhibition, Episodic Future Thinking and Working Memory; and four neuromodulation approaches: Transcranial Magnetic Stimulation (TMS), transcranial Direct Current Stimulation (tDCS), Deep Brain Stimulation (DBS) and Neurofeedback...
April 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29427050/transcranial-magnetic-stimulation-tms-in-the-elderly
#12
REVIEW
Ilva G Iriarte, Mark S George
PURPOSE OF REVIEW: This article aims to review select applications of Transcranial Magnetic Stimulation (TMS) that have significant relevance in geriatric psychiatry. RECENT FINDINGS: Small study sizes and parameter variability limit the generalizability of many TMS studies in geriatric patients. Additionally, geriatric patients have unique characteristics that can moderate the efficacy of TMS. Nonetheless, several promising experimental applications in addition to the FDA-approved indication for major depression have emerged...
February 10, 2018: Current Psychiatry Reports
https://www.readbyqxmd.com/read/29388850/neurophysiological-and-cognitive-impairment-following-repeated-sports-concussion-injuries-in-retired-professional-rugby-league-players
#13
Alan J Pearce, Billymo Rist, Clare L Fraser, Adrian Cohen, Jerome J Maller
BACKGROUND: Concussion is regarded as a common injury in rugby league, however no studies have explored the long-term neurophysiological and cognitive effects of repeated concussion injuries in this sport. METHODS: Former professional rugby athletes (n = 25) were compared to 25 age-matched participants with no history of a concussion. All participants completed standardised motor dexterity, reaction time, and cognitive tasks for working memory, associative learning and rule acquisition and reversal...
2018: Brain Injury: [BI]
https://www.readbyqxmd.com/read/29352668/the-effect-of-single-and-repeated-prefrontal-intermittent-theta-burst-stimulation-on-cortical-reactivity-and-working-memory
#14
Sung Wook Chung, Nigel C Rogasch, Kate E Hoy, Paul B Fitzgerald
BACKGROUND: With an increasing interest in the use of theta burst stimulation (TBS) as a cognitive enhancer and a potential therapeutic tool for psychiatric disorders, there is a need to identify optimal parameters of TBS in the prefrontal cortex. OBJECTIVE/HYPOTHESIS: This study examined the effect of two blocks of prefrontal intermittent TBS (iTBS) on cortical reactivity and working memory performance, compared to one block of iTBS and sham stimulation. We hypothesized that greater cortical effects would be obtained with two blocks of iTBS...
January 8, 2018: Brain Stimulation
https://www.readbyqxmd.com/read/29351885/repetitive-tms-to-augment-cognitive-processing-therapy-in-combat-veterans-of-recent-conflicts-with-ptsd-a-randomized-clinical-trial
#15
F Andrew Kozel, Michael A Motes, Nyaz Didehbani, Bambi DeLaRosa, Christina Bass, Caitlin D Schraufnagel, Penelope Jones, Cassie Rae Morgan, Jeffrey S Spence, Michael A Kraut, John Hart
BACKGROUND: The objective was to test whether repetitive Transcranial Magnetic Stimulation (rTMS) just prior to Cognitive Processing Therapy (CPT) would significantly improve the clinical outcome compared to sham rTMS prior to CPT in veterans with PTSD. METHODS: Veterans 18-60 years of age with current combat-related PTSD symptoms were randomized, using a 1:1 ratio in a parallel design, to active (rTMS+CPT) versus sham (sham+CPT) rTMS just prior to weekly CPT for 12-15 sessions...
March 15, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29277405/transcranial-magnetic-stimulation-of-the-precuneus-enhances-memory-and-neural-activity-in-prodromal-alzheimer-s-disease
#16
Giacomo Koch, Sonia Bonnì, Maria Concetta Pellicciari, Elias P Casula, Matteo Mancini, Romina Esposito, Viviana Ponzo, Silvia Picazio, Francesco Di Lorenzo, Laura Serra, Caterina Motta, Michele Maiella, Camillo Marra, Mara Cercignani, Alessandro Martorana, Carlo Caltagirone, Marco Bozzali
Memory loss is one of the first symptoms of typical Alzheimer's disease (AD), for which there are no effective therapies available. The precuneus (PC) has been recently emphasized as a key area for the memory impairment observed in early AD, likely due to disconnection mechanisms within large-scale networks such as the default mode network (DMN). Using a multimodal approach we investigated in a two-week, randomized, sham-controlled, double-blinded trial the effects of high-frequency repetitive transcranial magnetic stimulation (rTMS) of the PC on cognition, as measured by the Alzheimer Disease Cooperative Study Preclinical Alzheimer Cognitive Composite in 14 patients with early AD (7 females)...
April 1, 2018: NeuroImage
https://www.readbyqxmd.com/read/29246845/the-role-of-the-cerebellum-in-explicit-and-incidental-processing-of-facial-emotional-expressions-a-study-with-transcranial-magnetic-stimulation
#17
Chiara Ferrari, Viola Oldrati, Marcello Gallucci, Tomaso Vecchi, Zaira Cattaneo
Growing evidence suggests that the cerebellum plays a critical role in non-motor functions, contributing to cognitive and affective processing. In particular, the cerebellum might represent an important node of the "limbic" network, underlying not only emotion regulation but also emotion perception and recognition. Here, we used transcranial magnetic stimulation (TMS) to shed further light on the role of the cerebellum in emotional perception by specifically testing cerebellar contribution to explicit and incidental emotional processing...
April 1, 2018: NeuroImage
https://www.readbyqxmd.com/read/29239495/comparisons-between-traditional-medicines-and-pharmacotherapies-for-alzheimer-disease-a-systematic-review-and-meta-analysis-of-cognitive-outcomes
#18
REVIEW
Brian H May, Mei Feng, Anna J Hyde, Helmut Hügel, Su-Yueh Chang, Lin Dong, Xinfeng Guo, Anthony L Zhang, Chuanjian Lu, Charlie C Xue
OBJECTIVES: To evaluate the clinical evidence for traditional medicines (TMs) used in East Asia on measures of cognition in Alzheimer disease, determine the effect sizes at different time points for the TMs and pharmacotherapies, and assess the tolerability of the TMs. METHODS: We searched 12 databases in English, Chinese, and Japanese for eligible randomised controlled trials that compared orally administered TMs with pharmacotherapy and reported cognitive outcomes...
March 2018: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/29229706/causal-evidence-for-learning-dependent-frontal-lobe-contributions-to-cognitive-control
#19
Paul S Muhle-Karbe, Jiefeng Jiang, Tobias Egner
The lateral prefrontal cortex (LPFC) plays a central role in the prioritization of sensory input based on task relevance. Such top-down control of perception is of fundamental importance in goal-directed behavior, but can also be costly when deployed excessively, necessitating a mechanism that regulates control engagement to align it with changing environmental demands. We have recently introduced the "flexible control model" (FCM), which explains this regulation as resulting from a self-adjusting reinforcement-learning mechanism that infers latent statistical structure in dynamic task environments to predict forthcoming states...
January 24, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29224085/aphasia-and-cognitive-impairment-decrease-the-reliability-of-rntms-language-mapping
#20
Vera Schwarzer, Ina Bährend, Tizian Rosenstock, Felix R Dreyer, Peter Vajkoczy, Thomas Picht
BACKGROUND: Navigated transcranial magnetic stimulation (nTMS) is a non-invasive mapping tool to locate functional areas of the brain. While gaining importance in the preoperative planning process in motor eloquent regions, its usefulness for reliably identifying language areas is still being discussed. The aim of this study was to identify biometric factors which might influence and therefore bias the results of repetitive nTMS (rnTMS) over cortex areas relevant for language. METHOD: We included data of 101 patients with language eloquent brain lesions who underwent preoperative rnTMS examination bihemispherically...
February 2018: Acta Neurochirurgica
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