keyword
https://read.qxmd.com/read/38390243/comparisons-of-transcranial-alternating-current-stimulation-and-repetitive-transcranial-magnetic-stimulation-treatment-therapy-for-insomnia-a-pilot-study
#21
JOURNAL ARTICLE
Ziqiang Shao, Yongjian Guo, Lirong Yue, Xiaoyang Liu, Jiayi Liu, Xumeng Zhao, Xiaona Sheng, Dahua Yu, Yifei Zhu, Kai Yuan
No abstract text is available yet for this article.
2024: General Psychiatry
https://read.qxmd.com/read/38382861/the-role-of-parietal-beta-band-activity-in-the-resolution-of-visual-crowding
#22
JOURNAL ARTICLE
Giuseppe Di Dona, Denisa Adina Zamfira, Martina Battista, Luca Battaglini, Daniela Perani, Luca Ronconi
Visual crowding is the difficulty in identifying an object when surrounded by neighbouring flankers, representing a bottleneck for object perception. Crowding arises not only from the activity of visual areas but also from parietal areas and fronto-parietal network activity. Parietal areas would provide the dorsal-to-ventral guidance for object identification and the fronto-parietal network would modulate the attentional resolution. Several studies highlighted the relevance of beta oscillations (15-25 Hz) in these areas for visual crowding and other connatural visual phenomena...
February 19, 2024: NeuroImage
https://read.qxmd.com/read/38382101/frequency-dependent-membrane-polarization-across-neocortical-cell-types-and-subcellular-elements-by-transcranial-alternating-current-stimulation
#23
JOURNAL ARTICLE
Xuelin Huang, Xile Wei, Jiang Wang, Guosheng Yi

Transcranial alternating current stimulation (tACS) is a non-invasive brain stimulation technique that directly interacts with ongoing brain oscillations in a frequency-dependent manner. However, it remains largely unclear how the cellular effects of tACS vary between cell types and subcellular elements. 
Approach. 
In this study, we use a set of morphologically realistic models of neocortical neurons to simulate the cellular response to uniform oscillating electric fields (EFs). We systematically characterize the membrane polarization in the soma, axons, and dendrites with varying field directions, intensities, and frequencies...
February 21, 2024: Journal of Neural Engineering
https://read.qxmd.com/read/38365886/frontal-midline-theta-transcranial-alternating-current-stimulation-enhances-early-consolidation-of-episodic-memory
#24
JOURNAL ARTICLE
Limor Shtoots, Asher Nadler, Roni Partouche, Dorin Sharir, Aryeh Rothstein, Liran Shati, Daniel A Levy
Evidence implicating theta rhythms in declarative memory encoding and retrieval, together with the notion that both retrieval and consolidation involve memory reinstatement or replay, suggests that post-learning theta rhythm modulation can promote early consolidation of newly formed memories. Building on earlier work employing theta neurofeedback, we examined whether theta-frequency transcranial alternating stimulation (tACS) can engender effective consolidation of newly formed episodic memories, compared with beta frequency stimulation or sham control conditions...
February 16, 2024: NPJ Science of Learning
https://read.qxmd.com/read/38355360/focused-ultrasound-stimulation-of-infralimbic-cortex-attenuates-reinstatement-of-methamphetamine-induced-conditioned-place-preference-in-rats
#25
JOURNAL ARTICLE
Chia-Wei Lin, Min-Hsuan Cheng, Ching-Hsiang Fan, Hwei-Hsien Chen, Chih-Kuang Yeh
Methamphetamine (MA) use disorder poses significant challenges to both the affected individuals and society. Current non-drug therapies like transcranial direct-current stimulation and transcranial magnetic stimulation have limitations due to their invasive nature and limited reach to deeper brain areas. Transcranial focused ultrasound (FUS) is gaining attention as a noninvasive option with precise spatial targeting, able to affect deeper areas of the brain. This research focused on assessing the effectiveness of FUS in influencing the infralimbic cortex (IL) to prevent the recurrence of MA-seeking behavior, using the conditioned place preference (CPP) method in rats...
February 13, 2024: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://read.qxmd.com/read/38340524/neuromodulation-techniques-from-non-invasive-brain-stimulation-to-deep-brain-stimulation
#26
REVIEW
Benjamin Davidson, Amitabh Bhattacharya, Can Sarica, Ghazaleh Darmani, Nasem Raies, Robert Chen, Andres M Lozano
Over the past 30 years, the field of neuromodulation has witnessed remarkable advancements. These developments encompass a spectrum of techniques, both non-invasive and invasive, that possess the ability to both probe and influence the central nervous system. In many cases neuromodulation therapies have been adopted into standard care treatments. Transcranial magnetic stimulation (TMS), transcranial direct current stimulation (tDCS), and transcranial ultrasound stimulation (TUS) are the most common non-invasive methods in use today...
February 9, 2024: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://read.qxmd.com/read/38333606/from-brain-to-spinal-cord-neuromodulation-by-direct-current-stimulation-and-its-promising-effects-as-a-treatment-option-for-restless-legs-syndrome
#27
REVIEW
Christina A H Dirks, Cornelius G Bachmann
Neuromodulation is a fast-growing field of mostly non-invasive therapies, which includes spinal cord stimulation (SCS), transcranial direct current stimulation (tDCS), vagal nerve stimulation (VNS), peripheral nerve stimulation, transcranial magnetic stimulation (TMS) and transcutaneous spinal direct current stimulation (tsDCS). This narrative review offers an overview of the therapy options, especially of tDCS and tsDCS for chronic pain and spinal cord injury. Finally, we discuss the potential of tsDCS in Restless Legs Syndrome as a promising non-invasive, alternative therapy to medication therapy...
2024: Frontiers in Neurology
https://read.qxmd.com/read/38318653/modulation-of-pain-perception-through-transcranial-alternating-current-stimulation-and-its-nonlinear-relationship-with-the-simulated-electric-field-magnitude
#28
JOURNAL ARTICLE
H Ikarashi, N Otsuru, J Gomez-Tames, A Hirata, K Nagasaka, S Miyaguchi, N Sakurai, K Ohno, N Kodama, H Onishi
BACKGROUND: Oscillatory activities observed in multiple regions are closely associated with the experience of pain. Specifically, oscillatory activities within the theta- and beta-frequency bands, observed in the left dorsolateral prefrontal cortex (DLPFC), have been implicated in pain perception among healthy individuals and those with chronic pain. However, their physiological significance remains unclear. METHODS: We explored the modulation of pain perception in healthy individuals by theta- and beta-band transcranial alternating current stimulation (tACS) over the left DLPFC and examined the relationship between the modulation effect and magnitude of the electric field elicited by tACS in the left DLPFC using computational simulation...
February 6, 2024: European Journal of Pain: EJP
https://read.qxmd.com/read/38297193/theta-burst-stimulation-what-role-does-it-play-in-stroke-rehabilitation-a-systematic-review-of-the-existing-evidence
#29
JOURNAL ARTICLE
Tingting Jiang, Xiupan Wei, Mingzhu Wang, Jiang Xu, Nan Xia, Min Lu
Various post-stroke dysfunctions often result in poor long-term outcomes for stroke survivors, but the effect of conventional treatments is limited. In recent years, lots of studies have confirmed the effect of repetitive transcranial magnetic stimulation (rTMS) in stroke rehabilitation. As a new pattern of rTMS, theta burst stimulation (TBS) was proved recently to yield more pronounced and long-lasting after-effects than the conventional pattern at a shorter stimulation duration. To explore the role of TBS in stroke rehabilitation, this review summarizes the existing evidence from all the randomized controlled trials (RCTs) so far on the efficacy of TBS applied to different post-stroke dysfunctions, including cognitive impairment, visuospatial neglect, aphasia, dysphagia, spasticity, and motor dysfunction...
February 1, 2024: BMC Neurology
https://read.qxmd.com/read/38291500/effectiveness-and-brain-mechanism-of-multi-target-transcranial-alternating-current-stimulation-tacs-on-motor-learning-in-stroke-patients-study-protocol-for-a-randomized-controlled-trial
#30
JOURNAL ARTICLE
Ming-Hui Lai, Xiao-Ming Yu, Yan Lu, Hong-Lin Wang, Wang Fu, Huan-Xia Zhou, Yuan-Li Li, Jun Hu, Jiayi Xia, Zekai Hu, Chun-Lei Shan, Feng Wang, Cong Wang
BACKGROUND: Transcranial alternating current stimulation (tACS) has proven to be an effective treatment for improving cognition, a crucial factor in motor learning. However, current studies are predominantly focused on the motor cortex, and the potential brain mechanisms responsible for the therapeutic effects are still unclear. Given the interconnected nature of motor learning within the brain network, we have proposed a novel approach known as multi-target tACS. This study aims to ascertain whether multi-target tACS is more effective than single-target stimulation in stroke patients and to further explore the potential underlying brain mechanisms by using techniques such as transcranial magnetic stimulation (TMS) and magnetic resonance imaging (MRI)...
January 30, 2024: Trials
https://read.qxmd.com/read/38289225/behavioral-entrainment-to-rhythmic-auditory-stimulation-can-be-modulated-by-tacs-depending-on-the-electrical-stimulation-field-properties
#31
JOURNAL ARTICLE
Yuranny Cabral-Calderin, Daniela van Hinsberg, Axel Thielscher, Molly J Henry
Synchronization between auditory stimuli and brain rhythms is beneficial for perception. In principle, auditory perception could be improved by facilitating neural entrainment to sounds via brain stimulation. However, high inter-individual variability of brain stimulation effects questions the usefulness of this approach. Here we aimed to modulate auditory perception by modulating neural entrainment to frequency modulated (FM) sounds using transcranial alternating current stimulation (tACS). In addition, we evaluated the advantage of using tACS montages spatially optimized for each individual's anatomy and functional data compared to a standard montage applied to all participants...
January 30, 2024: ELife
https://read.qxmd.com/read/38248289/does-20-hz-transcranial-alternating-current-stimulation-over-the-human-primary-motor-cortex-modulate-beta-rebound-following-voluntary-movement
#32
JOURNAL ARTICLE
Mayu Akaiwa, Yuya Matsuda, Ryo Kurokawa, Yasushi Sugawara, Rin Kosuge, Hidekazu Saito, Eriko Shibata, Takeshi Sasaki, Kazuhiro Sugawara, Naoki Kozuka
Beta frequency oscillations originating from the primary motor cortex increase in amplitude following the initiation of voluntary movement, a process termed beta rebound. The strength of beta rebound has been reported to predict the recovery of motor function following stroke, suggesting therapeutic applications of beta rebound modulation. The present study examined the effect of 20 Hz transcranial alternating current stimulation (tACS) on the beta rebound induced by self-paced voluntary movement. Electroencephalograms (EEGs) and electromyograms (EMGs) were recorded from 16 healthy adults during voluntary movements performed before and after active or sham tACS...
January 11, 2024: Brain Sciences
https://read.qxmd.com/read/38219405/theta-tacs-modulates-cerebellar-related-motor-functions-and-cerebellar-cortical-connectivity
#33
JOURNAL ARTICLE
Andrea Guerra, Giulia Paparella, Massimiliano Passaretti, Davide Costa, Daniele Birreci, Alessandro De Biase, Donato Colella, Luca Angelini, Antonio Cannavacciuolo, Alfredo Berardelli, Matteo Bologna
OBJECTIVE: To evaluate the effects of cerebellar transcranial alternating current stimulation (tACS) delivered at cerebellar-resonant frequencies, i.e., theta (θ) and gamma (γ), on upper limb motor performance and cerebellum-primary motor cortex (M1) connectivity, as assessed by cerebellar-brain inhibition (CBI), in healthy subjects. METHODS: Participants underwent cerebellar-tACS while performing three cerebellar-dependent motor tasks: (i) rhythmic finger-tapping, (ii) arm reaching-to-grasp ('grasping') and (iii) arm reaching-to-point ('pointing') an object...
February 2024: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/38183737/lesion-network-guided-delta-frequency-neuromodulation-improves-cognition-in-patients-with-psychosis-spectrum-disorders-a-pilot-study
#34
JOURNAL ARTICLE
Willa Molho, Nicolas Raymond, Robert M G Reinhart, Rebekah Trotti, Shrey Grover, Matcheri Keshavan, Paulo Lizano
BACKGROUND: Transcranial electric stimulation (tES) may improve cognition in psychosis spectrum disorders. However, few studies have used novel tES approaches, such as high definition tES (HD-tES) to target specific brain circuits. Recently, the extrastriate visual cortex (V5/MT) has been causally linked to visual hallucinations through lesion network mapping and this may be a promising approach for improving cognition. OBJECTIVE: We aim to determine if causal lesion network guided HD-tES to V5/MT improves cognitive performance as measured by the Brief Assessment of Cognition in Schizophrenia (BACS)...
February 2024: Asian Journal of Psychiatry
https://read.qxmd.com/read/38176353/efficacy-of-transcranial-alternating-current-stimulation-in-treating-chronic-insomnia-and-the-impact-of-age-on-its-effectiveness-a-multisite-randomized-double-blind-parallel-group-placebo-controlled-study
#35
RANDOMIZED CONTROLLED TRIAL
Xiaolin Zhu, Yanping Ren, Shuping Tan, Xin Ma
OBJECTIVE: Insomnia is a significant health issue associated with various systemic diseases. Transcranial alternating current stimulation (tACS) has been proposed as a potential intervention for insomnia. However, the efficacy and mechanisms of tACS in chronic insomnia remain unclear. Accordingly, this study aimed to investigate the efficacy of tACS in treating chronic insomnia in adults and assess the impact of age on its effectiveness using a large sample from two centers. METHODS: A total of 120 participants with chronic insomnia underwent 20 daily sessions of tACS (duration: 40 min, frequency: 77...
February 2024: Journal of Psychiatric Research
https://read.qxmd.com/read/38159441/a-novel-approach-to-modulating-response-inhibition-multi-channel-beta-transcranial-alternating-current-stimulation
#36
RANDOMIZED CONTROLLED TRIAL
Qiujian Meng, Ying Zhu, Ye Yuan, Jiafang Liu, Lin Ye, Weimin Kong, Chenxi Yan, Zhen Liang, Fei Yang, Kai Wang, Junjie Bu
BACKGROUND: Deficits in response inhibition are associated with numerous psychiatric disorders. Previous studies have revealed the crucial role of the right inferior frontal gyrus (rIFG), pre-supplementary motor area (preSMA), and beta activity in these brain regions in response inhibition. Multi-channel transcranial alternating current stimulation (tACS) has garnered significant attention for its ability to modulate neural oscillations in brain networks. In this study, we employed multi-channel tACS targeting rIFG-preSMA network to investigate its impact on response inhibition in healthy adults...
January 2024: Asian Journal of Psychiatry
https://read.qxmd.com/read/38135512/behavioral-validation-of-individualized-low-intensity-transcranial-electrical-stimulation-tes-protocols
#37
JOURNAL ARTICLE
Rajat Joshi, Sainath Murali, Nivethida Thirugnanasambandam
Large interindividual variability in the effects of low-intensity transcranial electrical stimulation (tES) considerably limits its potential for clinical applications. It has been recently proposed that individualizing stimulation dose by accounting for interindividual anatomic differences would reduce the variability in electric fields (E-fields) over the targeted cortical site and therefore produce more consistent behavioral outcomes. However, improvement in behavioral outcomes following individualized dose tES has never been compared with that of conventional fixed dose tES...
December 2023: ENeuro
https://read.qxmd.com/read/38125402/individual-differences-and-creative-ideation-neuromodulatory-signatures-of-mindset-and-response-inhibition
#38
JOURNAL ARTICLE
Radwa Khalil, Sergio Agnoli, Serena Mastria, Angela Kondinska, Ahmed A Karim, Ben Godde
This study addresses the modulatory role of individual mindset in explaining the relationship between response inhibition (RI) and divergent thinking (DT) using transcranial direct current stimulation (tDCS). Forty undergraduate students (22 male and 18 female), aged between 18 and 23 years (average age = 19 years, SD = 1.48), were recruited. Participants received either anodal tDCS of the right IFG coupled with cathodal tDCS of the left IFG (R + L-; N  = 19) or the opposite coupling (R-L+; N  = 21)...
2023: Frontiers in Neuroscience
https://read.qxmd.com/read/38115692/audiovisual-gamma-stimulation-for-the-treatment-of-neurodegeneration
#39
REVIEW
Cristina Blanco-Duque, Diane Chan, Martin C Kahn, Mitchell H Murdock, Li-Huei Tsai
Alzheimer's disease (AD) is the most common type of neurodegenerative disease and a health challenge with major social and economic consequences. In this review, we discuss the therapeutic potential of gamma stimulation in treating AD and delve into the possible mechanisms responsible for its positive effects. Recent studies reveal that it is feasible and safe to induce 40 Hz brain activity in AD patients through a range of 40 Hz multisensory and noninvasive electrical or magnetic stimulation methods...
December 19, 2023: Journal of Internal Medicine
https://read.qxmd.com/read/38113613/modulating-preferences-during-intertemporal-choices-through-exogenous-midfrontal-transcranial-alternating-current-stimulation-a-registered-report
#40
JOURNAL ARTICLE
Gabriele Fusco, Michele Scandola, Hause Lin, Michael Inzlicht, Salvatore Maria Aglioti
Decision conflicts may arise when the costs and benefits of choices are evaluated as a function of outcomes predicted along a temporal dimension. Electrophysiology studies suggest that during performance monitoring a typical oscillatory activity in the theta rhythm, named midfrontal theta, may index conflict processing and resolution. In the present within-subject, sham controlled, cross-over preregistered study, we delivered online midfrontal transcranial Alternating Current Stimulation (tACS) to modulate electrocortical activity during intertemporal decisions...
November 14, 2023: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
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