Improving TMS Effects by Personalizing Stimulation Timing
Author Information
Author(s): Sewerin Sebastian, Taubert Marco, Vollmann Henning, Conde Virginia, Villringer Arno, Ragert Patrick
Primary Institution: Max Planck Institute for Human Cognitive and Brain Sciences
Hypothesis
Can adjusting the inter-pulse interval of TMS to individual I-wave periodicity enhance its effects on motor evoked potentials?
Conclusion
The study found that personalizing the timing of TMS significantly improved its effectiveness compared to a standard protocol.
Supporting Evidence
- The adjusted TMS protocol resulted in a 76.80% increase in ppMEPs compared to 40.87% with the standard protocol.
- Five out of 16 subjects showed a decrease in ppMEPs during the standard protocol.
- Only 3 out of 16 subjects had an I1-wave peak latency around 1.5 ms, leading to their exclusion from further analysis.
Takeaway
This study shows that changing the timing of brain stimulation to match each person's brain can make it work better.
Methodology
The study used a cross-over design with 16 healthy subjects, comparing conventional TMS with an individually adjusted TMS protocol.
Potential Biases
Potential genetic factors influencing TMS response were not controlled for.
Limitations
The study did not measure changes in corticospinal excitability after both interventions.
Participant Demographics
16 healthy subjects aged 18-35, including 5 females, all right-handed.
Statistical Information
P-Value
0.005
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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