ArticleScientific reports2019
State-Dependent Effects of Transcranial Oscillatory Currents on the Motor System during Action Observation.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 22 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
22 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Effects of transcranial alternating current stimulation on motor performance and motor learning for healthy individuals: A systematic review and meta-analysis.Frontiers in physiology · 2022Pooled it
- Combining transcranial electrical stimulation with training in older adults: Effects on dual-task ability.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2026Trial
- Low intensity transcranial electric stimulation: Safety, ethical, legal regulatory and application guidelines (2017-2025: An update) - endorsed by the European Society for Brain Stimulation (ESBS) and by the International Federation for Clinical Neurophysiology (IFCN).Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2026Review
- GABAergic and glutamatergic mechanisms of cortical excitability shape motor resonance during action observation as measured by transcranial magnetic stimulation.Frontiers in human neuroscience · 2026Article
- Behavioral techniques for controlling visual stimuli to modulate visual processing in the brain and their implementation in augmented reality technology.Frontiers in neuroscience · 2026Review
- Chronotype in alpha-tACS: Preliminary evidence hints at sleep quality modulation of aftereffects in evening types in the morning.Neurobiology of sleep and circadian rhythms · 2025Article
- Motor resonance and inhibitory mechanisms in action observation as revealed by corticospinal excitability.Scientific reports · 2025Article
- μ-Transcranial Alternating Current Stimulation Induces Phasic Entrainment and Plastic Facilitation of Corticospinal Excitability.The European journal of neuroscience · 2025Article
- Neuroplastic effects of transcranial alternating current stimulation (tACS): from mechanisms to clinical trials.Frontiers in human neuroscience · 2025Review
- Transcranial magnetic stimulation of the left middle frontal gyrus modulates the information people communicate in different social contexts.Scientific reports · 2023Article
- Top-down and bottom-up stimulation techniques combined with action observation treatment in stroke rehabilitation: a perspective.Frontiers in neurology · 2023Review
- Article
- Detection of Transcranial Alternating Current Stimulation Aftereffects Is Improved by Considering the Individual Electric Field Strength and Self-Rated Sleepiness.Frontiers in neuroscience · 2022Article
- Photographs of Actions: What Makes Them Special Cues to Social Perception.Brain sciences · 2021Review
- 20 Hz Transcranial Alternating Current Stimulation Inhibits Observation-Execution-Related Motor Cortex Excitability.Journal of personalized medicine · 2021Article
- The Effects of 10 Hz and 20 Hz tACS in Network Integration and Segregation in Chronic Stroke: A Graph Theoretical fMRI Study.Brain sciences · 2021Article
- Online and offline effects of transcranial alternating current stimulation of the primary motor cortex.Scientific reports · 2021Article
- After-Effects of Intermittent Theta-Burst Stimulation Are Differentially and Phase-Dependently Suppressed by α- and β-Frequency Transcranial Alternating Current Stimulation.Frontiers in human neuroscience · 2021Article
- Article
- Effects of Slow Oscillatory Transcranial Alternating Current Stimulation on Motor Cortical Excitability Assessed by Transcranial Magnetic Stimulation.Frontiers in human neuroscience · 2021Article
Corrections and comments
- Erratum issued
Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We applied transcranial alternating current stimulation (tACS) to the primary motor cortex (M1) at different frequencies during an index-thumb pinch-grip observation task. To estimate changes in the corticospinal output, we used the size of motor evoked potentials (MEPs) obtained by transcranial magnetic stimulation (TMS) of M1 using an online MRI-guided simultaneous TMS-tACS approach. The results of the beta-tACS confirm a non-selective increase in corticospinal excitability in subjects at rest; an increase was observed for both of the tested hand muscles, the first dorsal interosseous (FDI) and the abductor digiti minimi (ADM). However, during action observation of the pinch-grip movement, the increase of corticospinal excitability was only observed for the prime mover FDI muscle and took place during alpha-tACS, while gamma-tACS affected both the FDI and control muscle (ADM) responses. These phenomena likely reflect the hypothesis that the mu and gamma rhythms specifically index the downstream modulation of primary sensorimotor areas by engaging mirror neuron activity. The current neuromodulation approach confirms that tACS can be used to induce neurophysiologically detectable state-dependent enhancement effects, even in complex motor-cognitive tasks.
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