Related Experiment Video
Updated: Feb 20, 2026
Standardized Induction and Assessment of Long-term Potentiation-like Cortical Plasticity Using Transcranial Magnetic Stimulation
Published on: November 7, 2025
Plasticity induced by non-invasive transcranial brain stimulation: A position paper
Ying-Zu Huang1, Ming-Kue Lu2, Andrea Antal3
1Neuroscience Research Center and Department of Neurology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; School of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Institute of Cognitive Neuroscience, National Central University, Taoyuan, Taiwan.
Non-invasive transcranial brain stimulation (NIBS) shows promise for modulating brain activity via synaptic plasticity. However, its effects are variable, necessitating research into improving reliability through optimized protocols and monitoring neuronal states.
Area of Science:
- Neuroscience
- Neuromodulation
- Brain Stimulation Techniques
Background:
- Non-invasive transcranial brain stimulation (NIBS), encompassing techniques like transcranial magnetic and electrical stimulation, has advanced significantly.
- NIBS can modulate cortical excitability for extended periods (minutes to over an hour) beyond the stimulation duration.
- Evidence suggests NIBS effects are mediated by synaptic plasticity, though direct proof remains limited.
Purpose of the Study:
- To explore the mechanisms underlying NIBS effects, particularly their link to synaptic plasticity.
- To identify and address the challenges of fragility and variability in NIBS responses.
- To investigate methods for enhancing the reliability and consistency of NIBS outcomes.
Main Methods:
- Review of existing pharmacological, physiological, and behavioral studies in humans and animals.
- Analysis of factors contributing to response variability, including biological variation, measurement reproducibility, and neuronal state.
- Exploration of ongoing research focused on protocol optimization and neuronal state monitoring.
Main Results:
- NIBS effects are hypothesized to involve synaptic plasticity, supported by indirect evidence.
- Significant challenges to NIBS efficacy include the fragility and variability of its effects.
- Factors such as individual biology, measurement consistency, and the participant's neuronal state (influenced by physical activity) impact NIBS response.
Conclusions:
- Further research is required to provide conclusive evidence for NIBS mechanisms.
- Improving the reliability of NIBS is crucial for its clinical application.
- Controlling for or monitoring neuronal state and optimizing stimulation protocols are key strategies for enhancing NIBS consistency.
