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59 Results Found

  • Study Protocol
  • Open Access
12 Citations
5,783 Views
18 Pages

Personalized Frequency Modulated Transcranial Electrical Stimulation for Associative Memory Enhancement

  • Jovana Bjekić,
  • Marko Živanović,
  • Dunja Paunović,
  • Katarina Vulić,
  • Uroš Konstantinović and
  • Saša R. Filipović

Associative memory (AM) is the ability to remember the relationship between previously unrelated items. AM is significantly affected by normal aging and neurodegenerative conditions, thus there is a growing interest in applying non-invasive brain sti...

  • Review
  • Open Access
10 Citations
5,497 Views
18 Pages

2 May 2023

Associative memory (AM) is the ability to bind new information into complex memory representations. Noninvasive brain stimulation (NIBS), especially transcranial electric stimulation (tES), has gained increased interest in research of associative mem...

  • Article
  • Open Access
13 Citations
3,422 Views
16 Pages

Neuronavigated Cerebellar 50 Hz tACS: Attenuation of Stimulation Effects by Motor Sequence Learning

  • Rebecca Herzog,
  • Christina Bolte,
  • Jan-Ole Radecke,
  • Kathinka von Möller,
  • Rebekka Lencer,
  • Elinor Tzvi,
  • Alexander Münchau,
  • Tobias Bäumer and
  • Anne Weissbach

Cerebellar transcranial alternating current stimulation (tACS) is an emerging non-invasive technique that induces electric fields to modulate cerebellar function. Although the effect of cortical tACS seems to be state-dependent, the impact of concurr...

  • Review
  • Open Access
84 Citations
14,134 Views
33 Pages

2 December 2020

Transcranial alternating current stimulation (tACS) is a non-invasive brain stimulation technique that allows the manipulation of intrinsic brain oscillations. Numerous studies have applied tACS in the laboratory to enhance cognitive performance. Wit...

  • Article
  • Open Access
10 Citations
6,759 Views
15 Pages

10 Minutes Frontal 40 Hz tACS—Effects on Working Memory Tested by Luck-Vogel Task

  • Eugen Kvašňák,
  • Eva Magyarová,
  • Miroslav Domankuš,
  • Michael Tesař,
  • Jaroslava Kymplová,
  • Vitaly Fetissov,
  • Mohammed Abubaker and
  • Wiam Al Qasem

31 December 2022

Working memory is a cognitive process that involves short-term active maintenance, flexible updating, and processing of goal- or task-relevant information. All frequency bands are involved in working memory. The activities of the theta and gamma freq...

  • Article
  • Open Access
3 Citations
3,968 Views
21 Pages

Cognitive and Neuropsychiatric Effects of 40 Hz tACS Simultaneously with Cognitive Exercises for Dementia: A Randomized, Crossover, Double-Blind, Sham-Controlled Study

  • Maria Anabel Uehara,
  • Sumeet Kalia,
  • Mari Garcia Campuzano,
  • Mohammad Jafari-Jozani,
  • Brian Lithgow and
  • Zahra Moussavi

19 April 2025

Background and Objectives: Transcranial alternating current stimulation (tACS) at 40 Hz has shown potential to enhance cognitive function. However, research on its combination with cognitive exercises, particularly its long-term effects in a dementia...

  • Article
  • Open Access
4 Citations
2,306 Views
10 Pages

19 November 2024

Previous studies have shown that beta-band transcranial alternating current stimulation (tACS) applied at the M1 hotspot can modulate corticospinal excitability. However, it remains controversial whether tACS can influence motor unit activities at th...

  • Article
  • Open Access
660 Views
17 Pages

Targeting Executive Function and Language Impairments with tACS Combined with Behavioral Intervention in Primary Progressive Aphasia: A Case-Series, Pilot Investigation

  • Kyriaki Neophytou,
  • Dimitrios S. Kasselimis,
  • Georgia Angelopoulou,
  • Areti Deligiannaki,
  • Rafailia Bourtsoukli,
  • Eleni Peristeri,
  • Vasilina Spanou,
  • Sokratis G. Papageorgiou,
  • Vasilios C. Constantinides and
  • Kyrana Tsapkini
  • + 1 author

7 November 2025

Background/Objectives: Executive function (EF) impairments are found in a variety of neurodegenerative disorders, including in Primary Progressive Aphasia (PPA), which is primarily characterized by language impairments. The goal of this preliminary i...

  • Article
  • Open Access
8 Citations
5,794 Views
16 Pages

Closed-Loop tACS Delivered during Slow-Wave Sleep Reduces Retroactive Interference on a Paired-Associates Learning Task

  • Aaron P. Jones,
  • Natalie B. Bryant,
  • Bradley M. Robert,
  • Teagan S. Mullins,
  • Michael C. S. Trumbo,
  • Nicholas A. Ketz,
  • Michael D. Howard,
  • Praveen K. Pilly and
  • Vincent P. Clark

Previous studies have found a benefit of closed-loop transcranial alternating current stimulation (CL-tACS) matched to ongoing slow-wave oscillations (SWO) during sleep on memory consolidation for words in a paired associates task (PAT). Here, we exa...

  • Review
  • Open Access
42 Citations
8,545 Views
14 Pages

Transcranial Current Stimulations (tCSs) are non-invasive brain stimulation techniques which modulate cortical excitability and spontaneous brain activity by the application of weak electric currents through the scalp, in a safe, economic, and well-t...

  • Review
  • Open Access
7 Citations
4,658 Views
23 Pages

11 May 2023

Gambling disorder (GD) and internet gaming disorder (IGD) are formally recognized behavioral addictions with a rapidly growing prevalence and limited treatment options. Recently, transcranial electrical stimulation (tES) techniques have emerged as po...

  • Review
  • Open Access
7 Citations
5,842 Views
15 Pages

14 December 2024

Cognitive deficits are emerging as critical targets for managing schizophrenia and enhancing clinical and functional outcomes. These deficits are pervasive among individuals with schizophrenia, affecting various cognitive domains. Traditional pharmac...

  • Systematic Review
  • Open Access
4 Citations
3,328 Views
19 Pages

12 November 2023

Research has shown the effectiveness of motor imagery in patient motor rehabilitation. Transcranial electrical stimulation has also demonstrated to improve patient motor and non-motor performance. However, mixed findings from motor imagery studies th...

  • Review
  • Open Access
32 Citations
22,132 Views
14 Pages

Current and Future Treatments for Classic Galactosemia

  • Britt Delnoy,
  • Ana I. Coelho and
  • Maria Estela Rubio-Gozalbo

28 January 2021

Type I (classic) galactosemia, galactose 1-phosphate uridylyltransferase (GALT)-deficiency is a hereditary disorder of galactose metabolism. The current therapeutic standard of care, a galactose-restricted diet, is effective in treating neonatal comp...

  • Article
  • Open Access
1 Citations
3,565 Views
12 Pages

Preliminary Study on Safety Assessment of 10 Hz Transcranial Alternating Current Stimulation in Rat Brain

  • Sung Suk Oh,
  • Yoon Bum Lee,
  • Jae Sun Jeon,
  • Sang-Hyun An and
  • Jong-ryul Choi

24 May 2022

Assessment of the safety of transcranial electrical stimulation devices that contact the scalp and apply electrical stimulations to brain tissues is essential for the prevention of unexpected brain damage caused by electromagnetic fields. In particul...

  • Article
  • Open Access
6 Citations
3,203 Views
20 Pages

Transcranial electrical brain stimulation techniques like transcranial direct current (tDCS) and transcranial alternating current (tACS) have emerged as potential tools for treating neurological diseases by modulating cortical excitability. These tec...

  • Review
  • Open Access
10 Citations
4,894 Views
17 Pages

Introduction: Stroke survivors often have motor impairments and related functional deficits. Transcranial Electrical Stimulation (tES) is a rapidly evolving field that offers a wide range of capabilities for modulating brain function, and it is safe...

  • Article
  • Open Access
40 Citations
9,690 Views
23 Pages

7 January 2019

Transcranial electrical stimulation is a widely used non-invasive brain stimulation approach. To date, EEG has been used to evaluate the effect of transcranial Direct Current Stimulation (tDCS) and transcranial Alternating Current Stimulation (tACS),...

  • Article
  • Open Access
1,104 Views
9 Pages

Stimulation-induced sensations including the perception of flickering lights (phosphenes) and scalp tingling are commonly reported in studies on transcranial alternating current stimulation (tACS). So far, these sensations have been considered benign...

  • Article
  • Open Access
1,513 Views
17 Pages

The Influence of Transcranial Alternating Current Stimulation on the Excitability of the Unstimulated Contralateral Primary Motor Cortex

  • Erik W. Wilkins,
  • Richard J. Young,
  • Ryder Davidson,
  • Reese Krider,
  • George Alhwayek,
  • Jonathan A. Park,
  • Armaan C. Parikh,
  • Zachary A. Riley and
  • Brach Poston

Objectives: Transcranial alternating current stimulation (tACS) can enhance primary motor cortex (M1) excitability and improve motor skill when delivered unilaterally to the dominant hemisphere. However, the impact of tACS on contralateral M1 excitab...

  • Communication
  • Open Access
10 Citations
3,145 Views
10 Pages

20 Hz Transcranial Alternating Current Stimulation Inhibits Observation-Execution-Related Motor Cortex Excitability

  • Lijuan Wang,
  • Michael A. Nitsche,
  • Volker R. Zschorlich,
  • Hui Liu,
  • Zhaowei Kong and
  • Fengxue Qi

29 September 2021

The present study aimed to investigate the effect of transcranial alternating current stimulation (tACS) on the primary motor cortex (M1) during action observation, and subsequent action execution, on motor cortex excitability. The participants recei...

  • Article
  • Open Access
25 Citations
4,723 Views
9 Pages

Modulation of Long-Term Potentiation by Gamma Frequency Transcranial Alternating Current Stimulation in Transgenic Mouse Models of Alzheimer’s Disease

  • Won-Hyeong Jeong,
  • Wang-In Kim,
  • Jin-Won Lee,
  • Hyeng-Kyu Park,
  • Min-Keun Song,
  • In-Sung Choi and
  • Jae-Young Han

19 November 2021

Transcranial alternating current stimulation (tACS) is a neuromodulation procedure that is currently studied for the purpose of improving cognitive function in various diseases. A few studies have shown positive effects of tACS in Alzheimer’s disease...

  • Article
  • Open Access
17 Citations
3,873 Views
11 Pages

15 October 2021

Previous studies have found that transcranial alternating current stimulation (tACS) can significantly enhance individuals’ working memory performance. However, it is still unclear whether the memory performance enhancement was attributed to the quan...

  • Review
  • Open Access
25 Citations
7,574 Views
25 Pages

Electric Fields Induced in the Brain by Transcranial Electric Stimulation: A Review of In Vivo Recordings

  • Matteo Guidetti,
  • Mattia Arlotti,
  • Tommaso Bocci,
  • Anna Maria Bianchi,
  • Marta Parazzini,
  • Roberta Ferrucci and
  • Alberto Priori

20 September 2022

Transcranial electrical stimulation (tES) techniques, such as direct current stimulation (tDCS) and transcranial alternating current stimulation (tACS), cause neurophysiological and behavioral modifications as responses to the electric field are indu...

  • Article
  • Open Access
21 Citations
5,855 Views
14 Pages

Transcranial alternating current stimulation (tACS) has emerged as a promising technique to non-invasively modulate the endogenous oscillations in the human brain. Despite its clinical potential to be applied in routine rehabilitation therapies, the...

  • Article
  • Open Access
1 Citations
1,982 Views
16 Pages

Gamma Transcranial Alternating Current Stimulation Enhances Working Memory Ability in Healthy People: An EEG Microstate Study

  • Binbin Gao,
  • Jinyan Zhang,
  • Jianxu Zhang,
  • Guangying Pei,
  • Tiantian Liu,
  • Li Wang,
  • Shintaro Funahashi,
  • Jinglong Wu,
  • Zhilin Zhang and
  • Jian Zhang

Background:Working memory (WM) is a core cognitive function closely linked to various cognitive processes including language, decision making, and reasoning. Transcranial alternating current stimulation (tACS), a non-invasive brain stimulation techni...

  • Article
  • Open Access
3 Citations
3,115 Views
20 Pages

Motor Learning in a Complex Motor Task Is Unaffected by Three Consecutive Days of Transcranial Alternating Current Stimulation

  • Erik W. Wilkins,
  • Milan Pantovic,
  • Kevin J. Noorda,
  • Mario I. Premyanov,
  • Rhett Boss,
  • Ryder Davidson,
  • Taylor A. Hagans,
  • Zachary A. Riley and
  • Brach Poston

Transcranial alternating current stimulation (tACS) delivered to the primary motor cortex (M1) can increase cortical excitability, entrain neuronal firing patterns, and increase motor skill acquisition in simple motor tasks. The primary aim of this s...

  • Article
  • Open Access
6 Citations
3,207 Views
11 Pages

Does 20 Hz Transcranial Alternating Current Stimulation over the Human Primary Motor Cortex Modulate Beta Rebound Following Voluntary Movement?

  • Mayu Akaiwa,
  • Yuya Matsuda,
  • Ryo Kurokawa,
  • Yasushi Sugawara,
  • Rin Kosuge,
  • Hidekazu Saito,
  • Eriko Shibata,
  • Takeshi Sasaki,
  • Kazuhiro Sugawara and
  • Naoki Kozuka

11 January 2024

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...

  • Article
  • Open Access
6 Citations
2,181 Views
13 Pages

The Influence of Transcranial Alternating Current Stimulation on Fatigue Resistance

  • Kayla A. De Guzman,
  • Richard J. Young,
  • Valentino Contini,
  • Eliza Clinton,
  • Ashley Hitchcock,
  • Zachary A. Riley and
  • Brach Poston

21 August 2023

Previous research has shown that some forms of non-invasive brain stimulation can increase fatigue resistance. The purpose of this study is to determine the influence of transcranial alternating current stimulation (tACS) on the time to task failure...

  • Review
  • Open Access
18 Citations
6,712 Views
19 Pages

20 August 2021

Developing effective tools and strategies to promote motor learning is a high-priority scientific and clinical goal. In particular, motor-related areas have been investigated as potential targets to facilitate motor learning by noninvasive brain stim...

  • Article
  • Open Access
17 Citations
5,425 Views
15 Pages

Nonequivalent After-Effects of Alternating Current Stimulation on Motor Cortex Oscillation and Inhibition: Simulation and Experimental Study

  • Makoto Suzuki,
  • Satoshi Tanaka,
  • Jose Gomez-Tames,
  • Takuhiro Okabe,
  • Kilchoon Cho,
  • Naoki Iso and
  • Akimasa Hirata

31 January 2022

The effects of transcranial alternating current stimulation (tACS) frequency on brain oscillations and cortical excitability are still controversial. Therefore, this study investigated how different tACS frequencies differentially modulate cortical o...

  • Article
  • Open Access
2,608 Views
19 Pages

The Modulatory Effects of Transcranial Alternating Current Stimulation on Brain Oscillatory Patterns in the Beta Band in Healthy Older Adults

  • Kenya Morales Fajardo,
  • Xuanteng Yan,
  • George Lungoci,
  • Monserrat Casado Sánchez,
  • Georgios D. Mitsis and
  • Marie-Hélène Boudrias

20 December 2024

Background: In the last few years, transcranial alternating current stimulation (tACS) has attracted attention as a promising approach to interact with ongoing oscillatory cortical activity and, consequently, to enhance cognitive and motor processes....

  • Systematic Review
  • Open Access
3,094 Views
54 Pages

Combined Use of Electroencephalography and Transcranial Electrical Stimulation: A Systematic Review

  • Pasquale Arpaia,
  • Anna Della Calce,
  • Lucrezia Di Marino,
  • Luciana Lorenzon,
  • Luigi Maffei,
  • Nicola Moccaldi and
  • Pedro M. Ramos

16 September 2025

This systematic review examines the combined use of electroencephalography (EEG) and transcranial electrical stimulation (tES) in both clinical and healthy populations. The review focuses on EEG’s role in guiding, monitoring, and evaluating tES...

  • Review
  • Open Access
15 Citations
7,848 Views
14 Pages

Advances in Non-Invasive Neuromodulation Techniques for Improving Cognitive Function: A Review

  • Ruijuan Chen,
  • Lengjie Huang,
  • Rui Wang,
  • Jieying Fei,
  • Huiquan Wang and
  • Jinhai Wang

Non-invasive neuromodulation techniques are widely utilized to study and improve cognitive function, with the aim of modulating different cognitive processes. For workers performing high-intensity mental and physical tasks, extreme fatigue may not on...

  • Article
  • Open Access
1,501 Views
14 Pages

Background/Objectives: Synchronized beta-band oscillations (14–30 Hz) are critical for sensorimotor processing and motor performance. Modulating beta activity either locally in targeted brain regions or globally across sensorimotor networks may...

  • Article
  • Open Access
1 Citations
3,782 Views
23 Pages

No Benefit in Memory Performance after Nocturnal Memory Reactivation Coupled with Theta-tACS

  • Sandrine Baselgia,
  • Florian H. Kasten,
  • Christoph S. Herrmann,
  • Björn Rasch and
  • Sven Paβmann

Targeted memory reactivation (TMR) is an effective technique to enhance sleep-associated memory consolidation. The successful reactivation of memories by external reminder cues is typically accompanied by an event-related increase in theta oscillatio...

  • Article
  • Open Access
12 Citations
4,096 Views
12 Pages

Determining the Individual Theta Frequency for Associative Memory Targeted Personalized Transcranial Brain Stimulation

  • Jovana Bjekić,
  • Dunja Paunovic,
  • Marko Živanović,
  • Marija Stanković,
  • Inga Griskova-Bulanova and
  • Saša R. Filipović

24 August 2022

Non-invasive brain stimulation (NIBS) methods have gained increased interest in research and therapy of associative memory (AM) and its impairments. However, the one-size-fits-all approach yields inconsistent findings, thus putting forward the need f...

  • Systematic Review
  • Open Access
5 Citations
8,302 Views
22 Pages

9 December 2024

Objective: Noninvasive brain stimulation (NIBS) is a promising complementary treatment for attention-deficit/hyperactivity disorder (ADHD). However, its efficacy varies due to diverse participant profiles and methodologies. This meta-analysis, regist...

  • Review
  • Open Access
14 Citations
6,355 Views
15 Pages

Non-Invasive Systems Application in Traumatic Brain Injury Rehabilitation

  • Livia Livinț Popa,
  • Diana Chira,
  • Ștefan Strilciuc and
  • Dafin F. Mureșanu

15 November 2023

Traumatic brain injury (TBI) is a significant public health concern, often leading to long-lasting impairments in cognitive, motor and sensory functions. The rapid development of non-invasive systems has revolutionized the field of TBI rehabilitation...

  • Perspective
  • Open Access
4 Citations
3,004 Views
22 Pages

This perspective paper introduces a novel bidirectional framework for communication neuroprosthetics that integrates non-invasive brain stimulation (NIBS) with artificial intelligence (AI) to address both speech production and auditory processing imp...

  • Article
  • Open Access
15 Citations
1,105 Views
8 Pages

Network oscillations in the brain are routinely recorded in the clinic and in the research lab. Here we outline a new paradigm in which network oscillations serve as treatment targets for noninvasive brain stimulation. We show how transcranial altern...

  • Article
  • Open Access
16 Citations
4,154 Views
10 Pages

Low Intensity, Transcranial, Alternating Current Stimulation Reduces Migraine Attack Burden in a Home Application Set-Up: A Double-Blinded, Randomized Feasibility Study

  • Andrea Antal,
  • Rebecca Bischoff,
  • Caspar Stephani,
  • Dirk Czesnik,
  • Florian Klinker,
  • Charles Timäus,
  • Leila Chaieb and
  • Walter Paulus

21 November 2020

Background: Low intensity, high-frequency transcranial alternating current stimulation (tACS) applied over the motor cortex decreases the amplitude of motor evoked potentials. This double-blind, placebo-controlled parallel group study aimed to test t...

  • Review
  • Open Access
12 Citations
5,210 Views
19 Pages

Efficacy and Safety of Transcranial Electric Stimulation during the Perinatal Period: A Systematic Literature Review and Three Case Reports

  • Andrew Laurin,
  • Noémie Nard,
  • Marine Dalmont,
  • Samuel Bulteau,
  • Cloé Bénard,
  • Olivier Bonnot,
  • Norbert Winer,
  • Françoise Dupont,
  • Gisèle Apter and
  • Maud Rothärmel
  • + 4 authors

13 July 2022

Introduction: The perinatal period is an at-risk period for the emergence or decompensation of psychiatric disorders. Transcranial electrical stimulation (tES) is an effective and safe treatment for many psychiatric disorders. Given the reluctance to...

  • Article
  • Open Access
8 Citations
7,532 Views
23 Pages

Background: Maladaptive neuroplasticity-related learned response in substance use disorder (SUD) can be ameliorated using noninvasive brain stimulation (NIBS); however, inter-individual variability needs to be addressed for clinical translation. Obje...

  • Article
  • Open Access
5 Citations
3,226 Views
21 Pages

Therapeutic electrical stimulation, such as transcranial cortical stimulation and peripheral somatosensory stimulation, is used to improve motor function in patients with stroke. We hypothesized that these stimulations exert neuroprotective effects d...

  • Article
  • Open Access
16 Citations
11,827 Views
25 Pages

Why Temporal Inference Stimulation May Fail in the Human Brain: A Pilot Research Study

  • Krisztián Iszak,
  • Simon Mathies Gronemann,
  • Stefanie Meyer,
  • Alexander Hunold,
  • Jana Zschüntzsch,
  • Mathias Bähr,
  • Walter Paulus and
  • Andrea Antal

Temporal interference stimulation (TIS) aims at targeting deep brain areas during transcranial electrical alternating current stimulation (tACS) by generating interference fields at depth. Although its modulatory effects have been demonstrated in ani...

  • Article
  • Open Access
26 Citations
4,050 Views
17 Pages

Online Left-Hemispheric In-Phase Frontoparietal Theta tACS for the Treatment of Negative Symptoms of Schizophrenia

  • Chuan-Chia Chang,
  • Cathy Chia-Yu Huang,
  • Yong-An Chung,
  • Jooyeon Jamie Im,
  • Yen-Yue Lin,
  • Chin-Chao Ma,
  • Nian-Sheng Tzeng and
  • Hsin-An Chang

29 October 2021

Negative symptoms represent an unmet need for schizophrenia treatment. The effect of theta frequency transcranial alternating current stimulation (theta-tACS) applied during working memory (WM) tasks on negative symptoms has not been demonstrated as...

  • Review
  • Open Access
9 Citations
6,181 Views
41 Pages

Targeting Neural Oscillations for Cognitive Enhancement in Alzheimer’s Disease

  • Federica Palacino,
  • Paolo Manganotti and
  • Alberto Benussi

20 March 2025

Alzheimer’s disease (AD), the most prevalent form of dementia, is marked by progressive cognitive decline, affecting memory, language, orientation, and behavior. Pathological hallmarks include extracellular amyloid plaques and intracellular tau...

  • Article
  • Open Access
8 Citations
4,041 Views
17 Pages

EEG studies indicated that schizophrenia patients had increased resting-state theta-band functional connectivity, which was associated with negative symptoms. We recently published the first study showing that theta (6 Hz) transcranial alternating cu...

  • Brief Report
  • Open Access
40 Citations
7,240 Views
10 Pages

Safety Evaluation of Employing Temporal Interference Transcranial Alternating Current Stimulation in Human Studies

  • Yi Piao,
  • Ru Ma,
  • Yaohao Weng,
  • Chuan Fan,
  • Xinzhao Xia,
  • Wei Zhang,
  • Ginger Qinghong Zeng,
  • Yan Wang,
  • Zhuo Lu and
  • Xiaochu Zhang
  • + 4 authors

5 September 2022

Temporal interference transcranial alternating current stimulation (TI-tACS) is a new technique of noninvasive brain stimulation. Previous studies have shown the effectiveness of TI-tACS in stimulating brain areas in a selective manner. However, its...

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