Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2021
Atlas-informed computational processing pipeline for individual targeting of brain areas for therapeutic navigated transcranial magnetic stimulation.
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Reijonen Jusa, Könönen Mervi, Tuunanen Pasi, Määttä Sara, Julkunen Petro
Аннотация
OBJECTIVE: Navigated transcranial magnetic stimulation (nTMS) is targeted at different cortical sites for diagnostic, therapeutic, and neuroscientific purposes. Correct identification of the cortical target areas is important for achieving desired effects, but it is challenging when no direct responses arise upon target area stimulation. We aimed at utilizing atlas-based marking of cortical areas for nTMS targeting to present a convenient, rater-independent method for overlaying the individual target sites with brain anatomy.
METHODS: We developed a pipeline, which fits a brain atlas to the individual brain and enables visualization of the target areas during the nTMS session. We applied the pipeline to our previous nTMS data, focusing on depression and schizophrenia patients. Furthermore, we included examples of Tourette syndrome and tinnitus therapies, as well as neurosurgical and motor mappings.
RESULTS: In depression and schizophrenia patients, the visually selected dorsolateral prefrontal cortex (DLPFC) targets were close to the border between atlas areas A9/46 and A8. In the other areas, the atlas-based areas were in agreement with the treatment targets.
CONCLUSIONS: The atlas-based target areas agreed well with the cortical targets selected by experts during the treatments.
SIGNIFICANCE: Overlaying atlas information over the navigation view is a convenient and useful add-on for improving nTMS targeting.
METHODS: We developed a pipeline, which fits a brain atlas to the individual brain and enables visualization of the target areas during the nTMS session. We applied the pipeline to our previous nTMS data, focusing on depression and schizophrenia patients. Furthermore, we included examples of Tourette syndrome and tinnitus therapies, as well as neurosurgical and motor mappings.
RESULTS: In depression and schizophrenia patients, the visually selected dorsolateral prefrontal cortex (DLPFC) targets were close to the border between atlas areas A9/46 and A8. In the other areas, the atlas-based areas were in agreement with the treatment targets.
CONCLUSIONS: The atlas-based target areas agreed well with the cortical targets selected by experts during the treatments.
SIGNIFICANCE: Overlaying atlas information over the navigation view is a convenient and useful add-on for improving nTMS targeting.