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Updated: Apr 9, 2026
Transcranial Direct Current Stimulation and Simultaneous Functional Magnetic Resonance Imaging
Published on: April 27, 2014
The surprising temporal specificity of direct-current stimulation.
Robert M G Reinhart1, Geoffrey F Woodman1
1Department of Psychology, Center for Integrative and Cognitive Neuroscience, Vanderbilt Vision Research Center, Vanderbilt University, Nashville, TN 37240, USA.
Transcranial direct-current stimulation (tDCS) can surprisingly alter rapid neural activity. This brain stimulation technique influences neural mechanisms active within 100 milliseconds during information processing.
Area of Science:
- Neuroscience
- Cognitive Science
- Brain Stimulation
Background:
- Transcranial direct-current stimulation (tDCS) is a non-invasive brain stimulation technique.
- Growing research explores tDCS for modulating brain activity.
Purpose of the Study:
- To investigate the impact of tDCS on rapid neural mechanisms.
- To understand the temporal dynamics of tDCS effects on information processing.
Main Methods:
- Combining tDCS with electrophysiology.
- Analyzing neural activity during human information processing tasks.
Main Results:
- tDCS demonstrated counter-intuitive effects on neural mechanisms.
- These effects influenced neural activity occurring as early as 100 milliseconds.
- Long-lasting effects of tDCS were observed on transient neural processes.
Conclusions:
- tDCS can modulate fast-acting neural circuits.
- The findings challenge previous assumptions about the temporal scope of tDCS influence.
- Further research is needed to elucidate the precise mechanisms of tDCS on rapid neural processing.
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