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TMS and cognition

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https://www.readbyqxmd.com/read/28072659/effects-of-transcranial-magnetic-stimulation-on-the-cognitive-control-of-emotion-potential-antidepressant-mechanisms
#1
Crystal Lantrip, Faith M Gunning, Laura Flashman, Robert M Roth, Paul E Holtzheimer
Depression negatively impacts quality of life and is associated with high mortality rates. Recent research has demonstrated that improvement in depression symptoms with transcranial magnetic stimulation (TMS) to the dorsolateral prefrontal cortex (DLPFC) may involve changes in the cognitive control network, a regulatory system modulating the function of cognitive and emotional systems, composed of the DLPFC, dorsal anterior cingulate, and posterior parietal cortices. Transcranial magnetic stimulation to the DLPFC node of the cognitive control network may have antidepressant efficacy via direct effects on cognitive control processes involved in emotion regulation...
January 9, 2017: Journal of ECT
https://www.readbyqxmd.com/read/28062252/using-neuroimaging-to-individualize-tms-treatment-for-depression-toward-a-new-paradigm-for-imaging-guided-intervention
#2
Bruce M Luber, Simon Davis, Elisabeth Bernhardt, Andrada Neacsiu, Lori Kwapil, Sarah H Lisanby, Timothy J Strauman
The standard clinical technique for using repetitive transcranial magnetic stimulation (rTMS) for major depressive disorder (MDD) is associated with limited efficacy to date. Such limited efficacy may be due to reliance on scalp-based targeting rather than state-of-the-science methods which incorporate fMRI-guided neuronavigation based on a specific model of neurocircuit dysfunction. In this review, we examine such a specific model drawn from regulatory focus theory, which postulates two brain/behavior systems, the promotion and prevention systems, underlying goal pursuit...
January 3, 2017: NeuroImage
https://www.readbyqxmd.com/read/28008690/heavy-alcohol-use-in-adolescence-is-associated-with-altered-cortical-activity-a-combined-tms-eeg-study
#3
Outi Kaarre, Elisa Kallioniemi, Mervi Könönen, Tommi Tolmunen, Virve Kekkonen, Petri Kivimäki, Noora Heikkinen, Florinda Ferreri, Eila Laukkanen, Sara Määttä
Long-term alcohol use affects cognitive and neurophysiological functioning as well as structural brain development. Combining simultaneous electroencephalogram (EEG) recording with transcranial magnetic stimulation (TMS) enables direct, in vivo exploration of cortical excitability and assessment of effective and functional connectivity. In the central nervous system, the effects of alcohol are particularly mediated by alterations in gamma-aminobutyric acid (GABA)ergic neurotransmission, and TMS-evoked potentials (TEPs) N45 and N100 in EEG are known to reflect GABAergic function...
December 23, 2016: Addiction Biology
https://www.readbyqxmd.com/read/27994543/repetitive-tms-on-left-cerebellum-affects-impulsivity-in-borderline-personality-disorder-a-pilot-study
#4
Giulia Zelda De Vidovich, Riccardo Muffatti, Jessica Monaco, Nicoletta Caramia, Davide Broglia, Edgardo Caverzasi, Francesco Barale, Egidio D'Angelo
The borderline personality disorder (BPD) is characterized by a severe pattern of instability in emotional regulation, interpersonal relationships, identity and impulse control. These functions are related to the prefrontal cortex (PFC), and since PFC shows a rich anatomical connectivity with the cerebellum, the functionality of the cerebellar-PFC axis may impact on BPD. In this study, we investigated the potential involvement of cerebello-thalamo-cortical connections in impulsive reactions through a pre/post stimulation design...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27958301/selective-perturbation-of-cognitive-conflict-in-the-human-brain-a-combined-fmri-and-rtms-study
#5
Claudia Peschke, Raphael Köster, Margarethe Korsch, Sascha Frühholz, Christiane M Thiel, Manfred Herrmann, Claus C Hilgetag
We investigated if single and double conflicts are processed separately in different brain regions and if they are differentially vulnerable to TMS perturbation. Fifteen human volunteers performed a single (Flanker or Simon) conflict task or a double (Flanker and Simon) conflict task in a combined functional Magnetic Resonance Imaging (fMRI) and Transcranial Magnetic Stimulation (TMS) study. The fMRI approach aimed at localizing brain regions involved in interference resolution induced by single Flanker (stimulus-stimulus, S-S) and Simon (stimulus-response, S-R) conflicts as well as regions involved in the double conflict condition...
December 13, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27830094/adaptive-plasticity-in-the-healthy-language-network-implications-for-language-recovery-after-stroke
#6
REVIEW
Gesa Hartwigsen
Across the last three decades, the application of noninvasive brain stimulation (NIBS) has substantially increased the current knowledge of the brain's potential to undergo rapid short-term reorganization on the systems level. A large number of studies applied transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) in the healthy brain to probe the functional relevance and interaction of specific areas for different cognitive processes. NIBS is also increasingly being used to induce adaptive plasticity in motor and cognitive networks and shape cognitive functions...
2016: Neural Plasticity
https://www.readbyqxmd.com/read/27818843/is-there-an-association-of-physical-activity-with-brain-volume-behavior-and-day-to-day-functioning-a-cross-sectional-design-in-prodromal-and-early-huntington-disease
#7
McKenzie Wallace, Nancy Downing, Spencer Lourens, James Mills, Ji-In Kim, Jeffrey Long, Jane Paulsen, Predict-Hd Investigators And Coordinators Of The Huntington Study Group
BACKGROUND: Huntington disease (HD) is a genetic neurodegenerative disease leading to progressive motor, cognitive, and behavioral decline. Subtle changes in these domains are detectable up to 15 years before a definitive motor diagnosis is made. This period, called prodromal HD, provides an opportunity to examine lifestyle behaviors that may impact disease progression. THEORETICAL FRAMEWORK: Physical activity relates to decreased rates of brain atrophy and improved cognitive and day-to-day functioning in Alzheimer disease and healthy aging populations...
March 17, 2016: PLoS Currents
https://www.readbyqxmd.com/read/27810186/cortical-afferent-inhibition-reflects-cognitive-impairment-in-obstructive-sleep-apnea-syndrome-a-tms-study
#8
Raffaele Nardone, Jürgen Bergmann, Francesco Brigo, Yvonne Höller, Kerstin Schwenker, Cristina Florea, Alexander B Kunz, Stefan Golaszewski, Eugen Trinka
OBJECTIVES: Patients with obstructive sleep apnea syndrome (OSAS) show neurocognitive impairment, but the exact mechanisms that cause cognitive dysfunctions remain unknown. The cholinergic system is known to play a key role in all attentional processes and cognitive functions. A transcranial magnetic stimulation (TMS) protocol may give direct information about the function of some cholinergic circuits in the human brain; this technique relies on short latency afferent inhibition (SAI) of the motor cortex...
August 2016: Sleep Medicine
https://www.readbyqxmd.com/read/27770667/altered-cortical-processing-of-motor-inhibition-in-schizophrenia
#9
Påvel G Lindberg, Maxime Térémetz, Sylvain Charron, Oussama Kebir, Agathe Saby, Narjes Bendjemaa, Stéphanie Lion, Benoît Crépon, Raphaël Gaillard, Catherine Oppenheim, Marie-Odile Krebs, Isabelle Amado
Inhibition is considered a key mechanism in schizophrenia. Short-latency intracortical inhibition (SICI) in the motor cortex is reduced in schizophrenia and is considered to reflect locally deficient γ-aminobutyric acid (GABA)-ergic modulation. However, it remains unclear how SICI is modulated during motor inhibition and how it relates to neural processing in other cortical areas. Here we studied motor inhibition Stop signal task (SST) in stabilized patients with schizophrenia (N = 28), healthy siblings (N = 21) and healthy controls (n = 31) matched in general cognitive status and educational level...
September 30, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/27723104/systematic-evaluation-of-the-impact-of-stimulation-intensity-on-neuroplastic-after-effects-induced-by-transcranial-direct-current-stimulation
#10
Asif Jamil, Giorgi Batsikadze, Hsiao-I Kuo, Ludovica Labruna, Alkomiet Hasan, Walter Paulus, Michael A Nitsche
KEY POINTS: Applications of transcranial direct current stimulation to modulate human neuroplasticity have increased in research and clinical settings. However, the need for longer-lasting effects, combined with marked inter-individual variability, necessitates a deeper understanding of the relationship between stimulation parameters and physiological effects. We systematically investigated the full DC intensity range (0.5-2.0 mA) for both anodal and cathodal tDCS in a sham-controlled repeated measures design, monitoring changes in motor-cortical excitability via transcranial magnetic stimulation up to 2 h after stimulation...
October 10, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27713691/characterizing-and-modulating-brain-circuitry-through-transcranial-magnetic-stimulation-combined-with-electroencephalography
#11
Faranak Farzan, Marine Vernet, Mouhsin M D Shafi, Alexander Rotenberg, Zafiris J Daskalakis, Alvaro Pascual-Leone
The concurrent combination of transcranial magnetic stimulation (TMS) with electroencephalography (TMS-EEG) is a powerful technology for characterizing and modulating brain networks across developmental, behavioral, and disease states. Given the global initiatives in mapping the human brain, recognition of the utility of this technique is growing across neuroscience disciplines. Importantly, TMS-EEG offers translational biomarkers that can be applied in health and disease, across the lifespan, and in humans and animals, bridging the gap between animal models and human studies...
2016: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/27685771/effects-of-repetitive-transcranial-magnetic-stimulation-on-non-veridical-decision-making
#12
Jaan Tulviste, Elkhonon Goldberg, Kenneth Podell, Talis Bachmann
We test the emerging hypothesis that prefrontal cortical mechanisms involved in non-veridical decision making do not overlap with those of veridical decision making. Healthy female subjects performed an experimental task assessing free choice, agent-centered decision making (The Cognitive Bias Task) and a veridical control task related to visuospatial working memory (the Moving Spot Task). Transcranial magnetic stimulation (TMS) was applied to the left and right dorsolateral prefrontal cortex (DLPFC) using 1 Hz and 10 Hz (intermittent) rTMS and sham protocols...
2016: Acta Neurobiologiae Experimentalis
https://www.readbyqxmd.com/read/27676869/pediatric-stroke-rehabilitation-a-review-of-techniques-facilitating-motor-recovery
#13
Eleni Papathanasiou, Mathilde Chevignard, Carole Vuillerot, Anne Tiberghien, Ingrid Godard
OBJECTIVE: Paediatric stroke is a relatively rare medical condition, but it often leads to long lasting motor and cognitive impairments. Rehabilitation of motor impairments has been widely studied, with most studies performed in children with cerebral palsy (CP). However, CP covers a variety of medical conditions, including brain lesions due to paediatric stroke occurring early in life, but not stroke occurring later on during childhood. The specificity of rehabilitation after paediatric stroke remains understudied...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27651114/circadian-dynamics-in-measures-of-cortical-excitation-and-inhibition-balance
#14
Sarah L Chellappa, Giulia Gaggioni, Julien Q M Ly, Soterios Papachilleos, Chloé Borsu, Alexandre Brzozowski, Mario Rosanova, Simone Sarasso, André Luxen, Benita Middleton, Simon N Archer, Derk-Jan Dijk, Marcello Massimini, Pierre Maquet, Christophe Phillips, Rosalyn J Moran, Gilles Vandewalle
Several neuropsychiatric and neurological disorders have recently been characterized as dysfunctions arising from a 'final common pathway' of imbalanced excitation to inhibition within cortical networks. How the regulation of a cortical E/I ratio is affected by sleep and the circadian rhythm however, remains to be established. Here we addressed this issue through the analyses of TMS-evoked responses recorded over a 29 h sleep deprivation protocol conducted in young and healthy volunteers. Spectral analyses of TMS-evoked responses in frontal cortex revealed non-linear changes in gamma band evoked oscillations, compatible with an influence of circadian timing on inhibitory interneuron activity...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27631152/repetitive-transcranial-magnetic-stimulation-rtms-combined-with-cognitive-training-is-a-safe-and-effective-modality-for-the-treatment-of-alzheimer-s-disease-clinical-experience
#15
Jose Martin Rabey, Evgenia Dobronevsky
Alzheimer's disease (AD) is the most common type of dementia among the elderly. Common treatments available and non-pharmacological interventions have their limitations, and new therapeutic approaches are critically needed. Transcranial magnetic stimulation (TMS) is a non-invasive technique that generates an electric current-inducing modulation in cortical excitability. The previous clinical trials showed that combinations of rTMS and cognitive training (rTMS-COG), as provided by the NeuroAD medical device system, offer a novel, safe, and effective method improving mild-to-moderate AD patients...
December 2016: Journal of Neural Transmission
https://www.readbyqxmd.com/read/27628235/n100-as-a-generic-cortical-electrophysiological-marker-based-on-decomposition-of-tms-evoked-potentials-across-five-anatomic-locations
#16
Xiaoming Du, Fow-Sen Choa, Ann Summerfelt, Laura M Rowland, Joshua Chiappelli, Peter Kochunov, L Elliot Hong
N100, the negative peak of electrical response occurring around 100 ms, is present in diverse functional paradigms including auditory, visual, somatic, behavioral and cognitive tasks. We hypothesized that the presence of the N100 across different paradigms may be indicative of a more general property of the cerebral cortex regardless of functional or anatomic specificity. To test this hypothesis, we combined transcranial magnetic stimulation (TMS) and electroencephalography (EEG) to measure cortical excitability by TMS across cortical regions without relying on specific sensory, cognitive or behavioral modalities...
September 14, 2016: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/27614770/pictures-of-disgusting-foods-and-disgusted-facial-expressions-suppress-the-tongue-motor-cortex
#17
Carmelo M Vicario, Robert D Rafal, Sara Borgomaneri, Riccardo Paracampo, Ada Kritikos, Alessio Avenanti
The tongue holds a unique role in gustatory disgust. However, it is unclear whether the tongue representation in the motor cortex (tM1) is affected by the sight of distaste-related stimuli. Using transcranial magnetic stimulation (TMS) in healthy humans, we recorded tongue motor-evoked potentials (MEPs) as an index of tM1 cortico-hypoglossal excitability. MEPs were recorded while participants viewed pictures associated with gustatory disgust and revulsion (i.e., rotten foods and faces expressing distaste), non oral-related disgusting stimuli (i...
September 10, 2016: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/27613505/effects-of-varenicline-on-motor-cortical-plasticity-in-non-smokers-with-schizophrenia
#18
Alanna C Bridgman, Mera S Barr, Michelle S Goodman, Reza Zomorrodi, Tarek Rajji, Bernard Le Foll, Robert Chen, Zafiris J Daskalakis, Tony P George
BACKGROUND: Nicotinic acetylcholine receptors (nAChR) have been implicated in the pathophysiology of schizophrenia, and deficits in this system may contribute to high rates of cigarette smoking in this population. nAChR stimulation may modulate neuroplasticity, or long-term potentiation (LTP), which is a key mediator of cognitive performance. Varenicline is a nAChR partial agonist that may improve cognitive deficits in both smokers and non-smokers with schizophrenia; however, the mechanism by which varenicline alters cognition in schizophrenia remains unclear...
December 2016: Schizophrenia Research
https://www.readbyqxmd.com/read/27591116/spike-timing-dependent-plasticity-in-the-human-dorso-lateral-prefrontal-cortex
#19
Elias Paolo Casula, Maria Concetta Pellicciari, Silvia Picazio, Carlo Caltagirone, Giacomo Koch
Changes in the synaptic strength of neural connections are induced by repeated coupling of activity of interconnected neurons with precise timing, a phenomenon known as spike-timing-dependent plasticity (STDP). It is debated if this mechanism exists in large-scale cortical networks in humans. We combined transcranial magnetic stimulation (TMS) with concurrent electroencephalography (EEG) to directly investigate the effects of two paired associative stimulation (PAS) protocols (fronto-parietal and parieto-frontal) of pre and post-synaptic inputs within the human fronto-parietal network...
December 2016: NeuroImage
https://www.readbyqxmd.com/read/27531393/evidence-of-alterations-in-transcallosal-motor-inhibition-as-a-possible-long-term-consequence-of-concussions-in-sports-a-transcranial-magnetic-stimulation-study
#20
Travis W Davidson, François Tremblay
OBJECTIVE: Growing evidence suggests that long-term structural and physiological alterations are present in the brain of previously concussed athletes. In this study, we sought to further explore the long-term consequences of concussions with transcranial magnetic stimulation (TMS) by examining excitability changes both within and between hemispheres. METHODS: Participants (32 young adults with and without a history of concussions (HxC)) first underwent testing to assess cognitive and motor performance using standardized tests...
October 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
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