Abstract #0586
Functional target localization for neurosurgery: task-based fMRI versus resting state fMRI study
Halleh Ghaderi 1,2 , Abbas F. Sadikot 3,4 , and G. Bruce Pike 5,6
1
Biomedical Engineering, McGill University,
Montreal, Quebec, Canada,
2
Brain
Imaging Center, Montreal Neurological Institute,
Montreal, Quebec, Canada,
3
Neurology
and Neurosurgery, McGill University, Quebec, Canada,
4
Brain
Imaging Center, Montreal Neurological Institute, Quebec,
Canada,
5
Biomedical Engineering, McGill
University, Quebec, Canada,
6
Montreal
Neurological Institute, Quebec, Canada
This study examines the variability in the location of
task-based fMRI activation and compares these results
with resting-state fMRI based target localization. The
result suggests that using a predefined anatomical atlas
coordinates for surgical targeting may not be accurate.
But, using a combination of resting-state and task-based
fMRI can reliably map somatotopy in the thalamus and
somatosensory cortex and hence improve target
identification for neurosurgery of deep brain
structures.
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