- - You will have 2 standard pre-surgical brain mapping procedures: functional magnetic
resonance imaging (fMRI) and transcranial magnetic stimulation (TMS).
For the fMRI, you
will lie inside of a long scanner and be asked to perform several simple tasks. The scan
will show areas of the brain that are active during specific tasks. During the TMS
procedure, a magnetic coil is moved over certain areas of your head to stimulate the
parts of the brain that cause muscles in your arms and legs to move. This will help the
doctor learn which specific parts of your brain control your limbs.
- - You will be trained to use the wireless digital glove that will be used in the ECoG
mapping during your surgery.
- - You will be assigned one of the three types of high definition mapping grids (PMT,
AdTech or CorTec grid) to be used during your surgery.
- - The mapping grid will be placed on the surface of your brain.
- - When the grid is in place, the anesthesiologist will wake you up and you will be asked
to wear the special glove and perform hand movements.
This should take about 20 minutes.
- - The neurosurgeon will perform standard tests (direct electrical stimulation mapping) to
learn which parts of the brain near the tumor control the arms and legs.
These areas of
the brain will be stimulated with a small-dose electrical current to see which limbs
- - After this procedure, the anesthesiologist will put you back to sleep.
The results of the ECoG mapping will be used for research purposes only. They will not be
used to make decisions about your surgery. The collected data will be de-identified and will
be transferred to neural engineering laboratory of Dr. Ince located at the University of
Houston for detailed computer based analysis.
- (1) day after surgery, you will have a neurological exam (tests to check the functioning
of your nerves, including tests of your balance and reflexes).
Length of Study:
Your participation on the study will be over after the follow-up visits.
At 1 and 3 months after your surgery, you will come back to the clinic for standard follow-up
visits. At each visit, you will have a complete physical and neurological exam.