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Imaging the brain before, during, and after transcranial magnetic stimulation
1Montreal Neurological Institute, McGill University, Quebec, Canada. tomas@bic.mni.mcgill.ca
Neuropsychologia
|March 18, 1999
Summary
This study explores combining neuroimaging with transcranial magnetic stimulation (TMS) for brain research. Techniques like MRI, PET, and EEG aid in mapping TMS, assessing cortical connectivity, and evaluating long-term effects.
Area of Science:
- Neuroscience
- Medical Imaging
- Neuromodulation
Background:
- Neuroimaging techniques like MRI are crucial for precise TMS coil placement.
- Assessing brain function requires understanding cortical connectivity and excitability.
Purpose of the Study:
- To overview current trends in integrating neuroimaging with TMS.
- To present novel methods for combining TMS with PET and EEG.
- To highlight the role of MRI and PET in evaluating TMS effects.
Main Methods:
- Utilizing magnetic-resonance imaging (MRI) and frameless stereotaxy for TMS coil navigation.
- Combining TMS with positron emission tomography (PET) for connectivity assessment.
- Integrating TMS with electroencephalography (EEG) for cortical excitability studies.
Main Results:
- MRI and stereotaxy enable accurate planning, monitoring, and documentation of TMS.
- TMS-PET and TMS-EEG offer novel approaches to assess human cortical networks.
- PET and MRI are valuable for investigating long-term impacts of repetitive TMS.
Conclusions:
- The integration of neuroimaging with TMS offers advanced tools for brain research.
- Novel TMS-PET and TMS-EEG methods enhance the study of cortical function.
- Long-term effects of TMS can be effectively evaluated using PET and MRI.