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https://www.readbyqxmd.com/read/29780572/cognitive-training-and-transcranial-direct-current-stimulation-for-mild-cognitive-impairment-in-parkinson-s-disease-a-randomized-controlled-trial
#1
Blake J Lawrence, Natalie Gasson, Andrew R Johnson, Leon Booth, Andrea M Loftus
This study examined whether standard cognitive training, tailored cognitive training, transcranial direct current stimulation (tDCS), standard cognitive training + tDCS, or tailored cognitive training + tDCS improved cognitive function and functional outcomes in participants with PD and mild cognitive impairment (PD-MCI). Forty-two participants with PD-MCI were randomized to one of six groups: (1) standard cognitive training, (2) tailored cognitive training, (3) tDCS, (4) standard cognitive training + tDCS, (5) tailored cognitive training + tDCS, or (6) a control group...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29713261/transcranial-direct-current-stimulation-tdcs-can-modulate-eeg-complexity-of-children-with-autism-spectrum-disorder
#2
Jiannan Kang, Erjuan Cai, Junxia Han, Zhen Tong, Xin Li, Estate M Sokhadze, Manuel F Casanova, Gaoxiang Ouyang, Xiaoli Li
Autism spectrum disorder (ASD) is a heterogeneous neurodevelopmental disorder which affects the developmental trajectory in several behavioral domains, including impairments of social communication, cognitive and language abilities. Transcranial direct current stimulation (tDCS) is a non-invasive brain stimulation technique, and it was used for modulating the brain disorders. In this paper, we enrolled 13 ASD children (11 males and 2 females; mean ± SD age: 6.5 ± 1.7 years) to participate in our trial. Each patient received 10 treatments over the dorsolateral prefrontal cortex (DLPFC) once every 2 days...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29658441/efficacy-of-transcranial-direct-current-stimulation-combined-with-cognitive-training-in-the-treatment-of-apathy-in-patients-with-alzheimer-s-disease-study-protocol-for-a-randomized-trial
#3
Jean-Paul Nguyen, Claire Boutoleau-Bretonniere, Jean-Pascal Lefaucheur, Alcira Suarez, Helene Gaillard, Guillaume Chapelet, Sebastien Abad, Aurelien Van Langhenhove, Julian Nizard, Laure de Decker
BACKGROUND: Apathy, commonly defined as loss of motivation, is a symptom frequently encountered in Alzheimer's disease (AD). The treatment of apathy remains challenging in the absence of any truly effective medications. Transcranial magnetic stimulation (rTMS) or transcranial direct current stimulation (tDCS) can improve cognitive disorders, but do not appear to improve apathy. Isolated cognitive training also appears to have no effect on apathy. We propose to test the efficacy of a new procedure for the treatment of apathy in AD patients consisting of a combination of tDCS and cognitive training, based on the latest guidelines for the design of therapeutic trials in this field...
April 16, 2018: Reviews on Recent Clinical Trials
https://www.readbyqxmd.com/read/29587149/neurophysiological-and-cognitive-effects-of-transcranial-direct-current-stimulation-in-three-girls-with-rett-syndrome-with-chronic-language-impairments
#4
Rosa Angela Fabio, Antonio Gangemi, Tindara Capri, Sarojini Budden, Alessandra Falzone
BACKGROUND: this study was based on both neurophysiological decelerated activity and communication deficits in Rett Syndrome (RTT). AIMS: the aim was to examine the neurophysiological and cognitive effects of Transcranial Direct Current Stimulation (tDCS) in three girls with RTT with chronic language impairments. METHODS AND PROCEDURES: we proposed an integrated intervention: tDCS and cognitive empowerment applied to language in order to enhance speech production (new functional sounds and new words)...
March 24, 2018: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/29534975/the-role-of-left-dorsolateral-prefrontal-cortex-in-language-processing
#5
Jana Klaus, Dennis J L G Schutter
In addition to the role of left frontotemporal areas in language processing, there is increasing evidence that language comprehension and production require cognitive control and working memory resources involving the left dorsolateral prefrontal cortex (DLPFC). The aim of this study was to investigate the role of the left DLPFC in both language comprehension and production. In a double-blind, sham-controlled crossover experiment, thirty-two participants received cathodal or sham transcranial direct current stimulation (tDCS) to the left DLPFC while performing a language comprehension and a language production task...
May 1, 2018: Neuroscience
https://www.readbyqxmd.com/read/29531963/modulating-the-resting-state-functional-connectivity-patterns-of-language-processing-areas-in-the-human-brain-with-anodal-transcranial-direct-current-stimulation-applied-over-the-broca-s-area
#6
Jianwei Cao, Hanli Liu, George Alexandrakis
Cortical circuit reorganization induced by anodal transcranial direct current stimulation (tDCS) over the Broca's area of the dominant language hemisphere in 13 healthy adults was quantified by functional near-infrared spectroscopy (fNIRS). Transient cortical reorganization patterns in steady-state functional connectivity (seed-based and graph theory analysis) and temporal functional connectivity (sliding window correlation analysis) were recorded before, during, and after applying high current tDCS (1 mA, 8 min)...
April 2018: Neurophotonics
https://www.readbyqxmd.com/read/29499493/non-invasive-brain-stimulation-to-investigate-language-production-in-healthy-speakers-a-meta-analysis
#7
Jana Klaus, Dennis J L G Schutter
Non-invasive brain stimulation (NIBS) has become a common method to study the interrelations between the brain and language functioning. This meta-analysis examined the efficacy of transcranial magnetic stimulation (TMS) and direct current stimulation (tDCS) in the study of language production in healthy volunteers. Forty-five effect sizes from 30 studies which investigated the effects of NIBS on picture naming or verbal fluency in healthy participants were meta-analysed. Further sub-analyses investigated potential influences of stimulation type, control, target site, task, online vs...
June 2018: Brain and Cognition
https://www.readbyqxmd.com/read/29439369/repetitive-sessions-of-tdcs-to-improve-naming-in-post-stroke-aphasia-insights-from-an-individual-patient-data-ipd-meta-analysis
#8
Charlotte Rosso, Céline Arbizu, Claire Dhennain, Jean-Charles Lamy, Yves Samson
OBJECTIVES: Small clinical trials reported that repetitive sessions of tDCS could improve naming abilities in post-stroke aphasia. However, systematic meta-analyses found no effect, but all of these analyses pooled data from both single and repetitive sessions at the group level. The aim of this paper was to perform a meta-analysis based on individual patient data to explore the effects of repetitive tDCS sessions on naming in post-stroke aphasia and in prespecified subgroups. METHODS: We searched for published sham-controlled trials using the keywords "aphasia OR language" AND "transcranial direct current stimulation OR tDCS" AND "stroke"...
2018: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/29289680/the-potential-effects-of-transcranial-direct-current-stimulation-tdcs-on-language-functioning-combining-neuromodulation-and-behavioral-intervention-in-aphasia
#9
REVIEW
Paola Marangolo
Aphasia is a highly disabling language disorder usually caused by a left stroke brain damage. Even if traditional language therapies have been proved to induce an adequate clinical recovery, a large percentage of patients are left with chronic deficits at 6 months post-stroke. Therefore, new strategies to common speech therapies are urgently needed in order to maximize the recovery from aphasia. The recent application of transcranial direct current stimulation (tDCS) to language rehabilitation has already provided promising results...
December 28, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29208991/high-definition-tdcs-of-the-temporo-parietal-cortex-enhances-access-to-newly-learned-words
#10
Garon Perceval, Andrew K Martin, David A Copland, Matti Laine, Marcus Meinzer
Learning associations between words and their referents is crucial for language learning in the developing and adult brain and for language re-learning after neurological injury. Non-invasive transcranial direct current stimulation (tDCS) to the posterior temporo-parietal cortex has been suggested to enhance this process. However, previous studies employed standard tDCS set-ups that induce diffuse current flow in the brain, preventing the attribution of stimulation effects to the target region. This study employed high-definition tDCS (HD-tDCS) that allowed the current flow to be constrained to the temporo-parietal cortex, to clarify its role in novel word learning...
December 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29175380/anodal-transcranial-direct-current-stimulation-over-left-inferior-frontal-gyrus-enhances-sentence-comprehension
#11
Beatrice Giustolisi, Alessandra Vergallito, Carlo Cecchetto, Erica Varoli, Leonor J Romero Lauro
We tested the possibility of enhancing natural language comprehension through the application of anodal tDCS (a-tDCS) over the left inferior frontal gyrus, a key region for verbal short-term memory and language comprehension. We designed a between subjects sham- and task-controlled study. During tDCS stimulation, participants performed a sentence to picture matching task in which targets were sentences with different load on short-term memory. Regardless of load on short-term memory, the Anodal group performed significantly better than the Sham group, thus providing evidence that a-tDCS over LIFG enhances natural language comprehension...
January 2018: Brain and Language
https://www.readbyqxmd.com/read/29070627/tdcs-over-the-motor-cortex-improves-lexical-retrieval-of-action-words-in-poststroke-aphasia
#12
Meret Branscheidt, Julia Hoppe, Pienie Zwitserlood, Gianpiero Liuzzi
One-third of stroke survivors worldwide suffer from aphasia. Speech and language therapy (SLT) is considered effective in treating aphasia, but because of time constraints, improvements are often limited. Noninvasive brain stimulation is a promising adjuvant strategy to facilitate SLT. However, stroke might render "classical" language regions ineffective as stimulation sites. Recent work showed the effectiveness of motor cortex stimulation together with intensive naming therapy to improve outcomes in aphasia (Meinzer et al...
February 1, 2018: Journal of Neurophysiology
https://www.readbyqxmd.com/read/29064340/transcranial-cerebellar-direct-current-stimulation-enhances-verb-generation-but-not-verb-naming-in-poststroke-aphasia
#13
Paola Marangolo, Valentina Fiori, Carlo Caltagirone, Francesca Pisano, Alberto Priori
Although the role of the cerebellum in motor function is well recognized, its involvement in the lexical domain remains to be further elucidated. Indeed, it has not yet been clarified whether the cerebellum is a language structure per se or whether it contributes to language processing when other cognitive components (e.g., cognitive effort, working memory) are required by the language task. Neuromodulation studies on healthy participants have suggested that cerebellar transcranial direct current stimulation (tDCS) is a valuable tool to modulate cognitive functions...
February 2018: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28946572/anodal-transcranial-direct-current-stimulation-over-the-right-hemisphere-improves-auditory-comprehension-in-a-case-of-dementia
#14
Vanessa Costa, Filippo Brighina, Tommaso Piccoli, Sabrina Realmuto, Brigida Fierro
BACKGROUND: Noninvasive transcranial stimulation methods have been increasingly employed in order to improve cognitive performance in neurological patients. In previous studies with both stroke patients and healthy subjects, noninvasive stimulation of temporal-parietal regions and their homologue produced an improvement in linguistic tasks. OBJECTIVE: The aim of the current study was to evaluate if anodal transcranial direct current stimulation (tDCS) over Brodmann areas 39/40 (angular and supramarginal gyri) could promote the recovery of linguistic functions, in particular comprehension and naming, in a single patient affected by dementia...
2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28856553/improving-naming-abilities-among-healthy-young-old-adults-using-transcranial-direct-current-stimulation
#15
Adi Lifshitz-Ben-Basat, Nira Mashal
Transcranial direct current stimulation (tDCS) is a noninvasive tool to facilitate brain plasticity and enhance language abilities. Our study aims to search for a potential beneficial influence of tDCS on a cognitive linguistic task of naming which found to decline during aging. A group of fifteen healthy old adults [Formula: see text] were tested in naming 50 pictures of objects. Each subject participated in two sessions spanning on a one week period. One session included active tDCS stimulation and the other sham-placebo like stimulation...
February 2018: Journal of Psycholinguistic Research
https://www.readbyqxmd.com/read/28780927/white-matter-microstructure-predicts-longitudinal-social-cognitive-outcomes-after-paediatric-traumatic-brain-injury-a-diffusion-tensor-imaging-study
#16
N P Ryan, S Genc, M H Beauchamp, K O Yeates, S Hearps, C Catroppa, V A Anderson, T J Silk
BACKGROUND: Deficits in social cognition may be among the most profound and disabling sequelae of paediatric traumatic brain injury (TBI); however, the neuroanatomical correlates of longitudinal outcomes in this domain remain unexplored. This study aimed to characterize social cognitive outcomes longitudinally after paediatric TBI, and to evaluate the use of sub-acute diffusion tensor imaging (DTI) to predict these outcomes. METHODS: The sample included 52 children with mild complex-severe TBI who were assessed on cognitive theory of mind (ToM), pragmatic language and affective ToM at 6- and 24-months post-injury...
March 2018: Psychological Medicine
https://www.readbyqxmd.com/read/28757003/transcranial-direct-current-stimulation-tdcs-modulation-of-picture-naming-and-word-reading-a-meta-analysis-of-single-session-tdcs-applied-to-healthy-participants
#17
REVIEW
Samuel J Westwood, Cristina Romani
Recent reviews quantifying the effects of single sessions of transcranial direct current stimulation (or tDCS) in healthy volunteers find only minor effects on cognition despite the popularity of this technique. Here, we wanted to quantify the effects of tDCS on language production tasks that measure word reading and picture naming. We reviewed 14 papers measuring tDCS effects across a total of 96 conditions to a) quantify effects of conventional stimulation on language regions (i.e., left hemisphere anodal tDCS administered to temporal/frontal areas) under normal conditions or under conditions of cognitive (semantic) interference; b) identify parameters which may moderate the size of the tDCS effect within conventional stimulation protocols (e...
September 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28713256/baseline-performance-predicts-tdcs-mediated-improvements-in-language-symptoms-in-primary-progressive-aphasia
#18
Eric M McConathey, Nicole C White, Felix Gervits, Sherry Ash, H Branch Coslett, Murray Grossman, Roy H Hamilton
Primary Progressive Aphasia (PPA) is a neurodegenerative condition characterized by insidious irreversible loss of language abilities. Prior studies suggest that transcranial direct current stimulation (tDCS) directed toward language areas of the brain may help to ameliorate symptoms of PPA. In the present sham-controlled study, we examined whether tDCS could be used to enhance language abilities (e.g., picture naming) in individuals with PPA variants primarily characterized by difficulties with speech production (non-fluent and logopenic)...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28707568/effects-of-transcranial-direct-current-stimulation-on-neural-networks-in-young-and-older-adults
#19
Andrew K Martin, Marcus Meinzer, Robert Lindenberg, Mira M Sieg, Laura Nachtigall, Agnes Flöel
Transcranial direct current stimulation (tDCS) may be a viable tool to improve motor and cognitive function in advanced age. However, although a number of studies have demonstrated improved cognitive performance in older adults, other studies have failed to show restorative effects. The neural effects of beneficial stimulation response in both age groups is lacking. In the current study, tDCS was administered during simultaneous fMRI in 42 healthy young and older participants. Semantic word generation and motor speech baseline tasks were used to investigate behavioral and neural effects of uni- and bihemispheric motor cortex tDCS in a three-way, crossover, sham tDCS controlled design...
November 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28611609/transcranial-direct-current-stimulation-in-post-stroke-chronic-aphasia-the-impact-of-baseline-severity-and-task-specificity-in-a-pilot-sample
#20
Catherine Norise, Daniela Sacchetti, Roy Hamilton
Emerging evidence suggests that transcranial direct current stimulation (tDCS) can improve aspects of language production in persons with chronic non-fluent aphasia due to left hemisphere stroke. However, to date, studies exploring factors that predict response to tDCS in this or any patient population remain sparse, as are studies that investigate the specific aspects of language performance that are most responsive to stimulation. The current study explored factors that could predict recovery of language fluency and which aspects of language fluency could be expected to improve with the identified factor(s)...
2017: Frontiers in Human Neuroscience
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